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This article is 10.1111/all.13642 doi: lead todifferences version between this andthe ofPleasecite article Version Record. this as been and throughtypesetting, proofreadingwhich may thecopyediting, process, pagination This article undergon has for and accepted been publication 2 1 Palomares O KF Chung Roth An EAACI Taskf respiratory diseases C Articletype : Position Paper CRISTIANAPROF. STELLATO(Orcid ID 0000: FRANCESCAPROF. LEVI KIANDR. FAN GAETANOPROF. CARAMORI (Orcid ID : 0000 RODOLFODR. BIANCHINI (OrcidID : 0000 FRANZISKADR. ROTH Molecular Cell Biology Group, National Heart & Lung Institute, Imperial College London, UK Comparative Medicine, The Interuniversity Messerli Research Institute of the University of Veterinary of University the of Institute Research Messerli Interuniversity The Medicine, Comparative Medicine Accepted Article molecule small and biologicals omparing - atr F Walter

7 , Diamant Z Diamant , Vienna, Medical University Vienna and University Vienna, Vien

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SCHAFFER (Orcid ID : 0000 M Eguiluz 1

3 2 , Redegeld, ,

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4 3 2 1 0 Department of of Department Department of Medicine, Section of Pharmacology, University of Perugia, Perugia Italy Department of Respiratory ofDepartment Allergology,research,Medicine and and Lung Allergy, Asthmaand Unità Operativa Complessa di Pneumologia, Dipartimento di Scienze di Dipartimento Pneumologia, di Complessa Operativa Unità University of Groningen, University Medical Center Groningen,Center Medical UniversityGroningen, of University Experimental Studies Medicine at National He National at Medicine Studies Experimental Unive Complutense Chemistry, of School Biology, Molecular and Biochemistry of Department ofDepartment Immunology, University Hospital Zurich, Zurich, Switzerland Netherlands Research Institute of Malaga (IBIMA). Málaga, Spain Hospital, Lund, Sweden Pharmacology Brompton & Harefield NHS Trust, London, UK delle Immagini Morfologiche eFunzionali (BIOMORF), Università degli Studi di Messina, Italy COPD Competence center, Lund University, Lund, Sweden Madrid, Madrid, Spain Salerno, Italy University, TheNetherlands Jerusalem, Israel Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Medica "Scuola Dentistry and Surgery Medicine, of Department Departments of Immunology and Dermatology/Allergology, University Medical Center Utrecht,The Center Medical University Dermatology/Allergology, and Immunology of Departments nttt fr rg eerh Sho o Pamc, aut o Medicine of Faculty Pharmacy, of School Research, Drug for Institute Accepted Utrecht Sciences, Pharmaceutical of Department Pharmacology, of Division Science, of Faculty Biomedical and Málaga of Hospital University Regional Laboratory, Research and Unit Allergy Article : biologicals, small molecule

protected rights by All copyright. reserved. , , Groningen, The Netherlands Respiratory Medicine and Allergology, Institute for Clinical Science, Skane University Skane Science, Clinical for Institute Allergology, and Medicine Respiratory

drugs , ,, COPD

art & Lung Institute, Imperial College London College Imperial Institute, Lung & art

, antibodies

Department of Clinical Pharmacy and Pharmacy Clinical of Department

Biomediche, Odontoiatriche e Odontoiatriche Biomediche, Te erw nvriy of University Hebrew The ,

University of Salern of University

& rsity of rsity

Royal o , This article is Antonios GAKolios, MD Edward Knol, PhD, ORCID0000 Francesca Levi Ibon Eguiluz Zuzana Diamant, MD KianFan Chung, MD, Luigi Cari, GaetanoCaramori, Leif Bjermer, MD, ORCID 0000 Rodolf Cristina IanAdcock,M PhD, ORCID 0000 versionwas 2018 Salerno in meeting a during compiled and developed discussed, further were They molecule small and diseases related cur review and regulation immune of mechanisms basic on breakthroughs recent basicscientists,pharmacologists,and physicians computational biologists 2017 in established § Medica Salernitana", University of Salerno, Salerno, Italy. * Footnotes: orsodn author: Corresponding Accepted Article was EAACI of Section Immunology the within (TIPCO) Immunopharmacology of Force Task The rent, upcoming andupcoming rent, ) Te oiin paper position The . o Bianchini, PhD, ORCID0000 Benito PhD,

- approvedby all Force Task Members. Gracia, MD - - Schaffer, Villalvilla protected rights by All copyright. reserved. ORCID 0000 . . The different topics different The MD, PhD, drug therapeutic drug , DSc o onc sinit and scientist connect to

MD paradigm

, PhD PhD , , PhD,

Cristiana , , ORCID0000 PhD

PhD, - draft draft 0003 , ORCID

ORCID 0000 - 0002 - ORCID: 0001 - 0003 - - shifting therapeutic approaches for allergy and clinical immunologyandclinicalallergy for therapeuticapproachesshifting a teefe rcruae ad rtcly prie utl h final the until appraised critically and recirculated thereafter was 0698 tlao Dprmn o Mdcn, ugr ad etsr "Scuola Dentistry and Surgery Medicine, of Department Stellato, - - 0000 0003 3441 - 7368 -

approaches, - for this for 2101 0001 0000 - 3872 - - - - 0002 0351 8099 - 0003 9820 - - - 8843, 7101 0003

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, based on comparison of biologicalsof comparison on based , -

with the task of examining of task the with

a hi apiain in application their uthors’ (February 24 (February subgroups. - 25,

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This article is The (UK), Trust CharitableAimwell The (USA), Fund Endowed Memorial GuttermanEmalie of funding Accepted b funding received report. Force Task this of development the in support financial their for EAACI thank to like would authors The (EAACI). Funding: been also has and diseaserenumerated for speaking engagements. BvE is partly employed by Nutricia Research. pulmonary obstructive chronic and pha asthma the for of treatments regarding meetings Board Advisory in participating for honoraria received Sanofi and from boards AstraZe Amgen, Therapeutics, Allergy from fees lecture received OP company; pharmaceutical related any Alk Amgen, Leo, Actelion, Novartis, AbbVie, for advisor and/or speaker,investigator, an as Astra fromfeeslectures ALK, from advisory fees Aquilon, ALK, companies: pharmaceutical Boehringer following AstraZeneca, the from years) consultancy 3 for past honoraria the received (within also activities ZD companies; pharmaceutical and biotech various for Group Menarini GSK, Ingelheim, Boehringer Biofutura, Zeneca, Astra from meetings scientific to participate to accommodation and Articletravel for grants and/or fees Lecture and/or grants educational unrestricted has GC manuscript. this COI: Betty vanEsch, PhD, ORCID 0000 Cristiana Stellato, MD, PhD, ORCID0000 Franziska Roth Frank Redegeld,A PhD, ORCID PierGiorgio Puzzovio, MSc, ORCID0000 Oscar Palomares, PhD, ORCID0000 Giuseppe Nocentini,

IMA, CBV, GN, RB, PGP, LB, LC, FAR, CS FRW, ea Imntk Nvri, Sanofi Novartis, Inmunotek, neca,

The Task Force was financed by the European Academ European the by financed was Force Task The - Walter, PD PhD, ORCID 0000 protected rights by All copyright. reserved. Uiest o Msia l Rgoe S Regione la Messina, of University y CS received funding from University of Salerno and Salerno of University from funding received CS MD, PhD, - nehi, ied HAL Gilead, Ingelheim, 0000 ORCID 0000 . ZD is employed by a CRO (QPS CRO a by employed is ZD . - - 0001 Genzyme. CBV received the FPU fellowship from MINECO, KFC has KFC MINECO, from fellowship FPU the received CBV Genzyme. - - - 0003 Abello, and does not hold any shares or other financial interest ininterest financial other or shares any hold not does and Abello, 0001 - 9961 - - 0001 0002 - - 4516 8830 - - 0002 ezm ad tlegns n priiae i advisory in participated and Stallergenes and Genzyme - - 0001 750X - - 7961 1294 - - 0369 - 7960 - Zeneca, NovartisZeneca, 5209 - ha -

5005 leg, Sanofi Allergy, - - 0423 ve 8355

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no conflictsno intere of 0488 Abbott, Janssen, Eli Lilly, MSD, Pfizer, Celgene,Pfizer, MSD, Lilly, Eli Janssen, Abbott, - 9228

cla Iay n Astra and Italy icilia,

y for Allergy and Clinical Immunology Clinical and Allergy for y - - , NL) who performs phase I/II studies I/II phase performs who NL) Genzyme

Chiesi and DiaterandChiesi Campania - st regardingst the subject of eeeo. E received IEG Regeneron. - Zeneca mcuia industry rmaceutical

; Region AGAK has servedhas AGAK

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L received FLS , Italy , ; ; GC - This article is DNA CysLT CXCR2 CXCL2 CRTH2= DP2 COX COPD CNS CDC CD CCR2 c BBB ALOX5 AE ADCC ACO 5 Abbreviations SAF2017 Austrian the from funding received F4606 SFBproject FWF Fund Science RB (ISCIII); III Carlos Salud de Instituto the of (CM17/00140) Sc Israel - - KIT LO

Accepted Article

- ec Fudto (rn 213/05); (grant Foundation ience 84978

protected rights by All copyright. reserved. - R) .

Cyclooxygenase chronic obstructive pulmonary disease central nervous system complement Clusterof differentiation C CD117/stem cell growth factor / tyrosine blood brain barrier 5 adverse event antibody Asthma 5 deoxyribonucleic acid Cysteinyl receptor Chemokine (C Chemoattractant Receptor C - - - - lipoxygenase lipoxygenase C chemokine X - C motif chemokine receptor2/ receptor8 - COPD overlap - dependent cell - dependent cytotoxicity -

X

receptortype 2

- - C motif) 2 B28

;

OP received funding from MINECO ( SAF2014 ( MINECOfrom fundingreceived OP

-

mediatedcytotoxicity - E rcie the received IEG homologous molecule expressedon

Ro Hortega“ „Rio

- proteinkinase,

udn scheme funding T -

Helpertype 2 cells - 52706 - R andR

This article is LT1 LAMA LABA JAK ILC 1/2/3 IL IL IgE IFN H1 GR Gq GOLD GM GINA GATA3 FEV1 FeNO FDA EMA EGFR DP2 DP1 - 4Rα 4Rα

Accepted Article

-

CSF

protected rights by All copyright. reserved. Interleukin4 Receptoralpha interleukin ImmunglobulinE interferon receptor guanine nucleotide Global initiative chronic for Granulocyte Global INitiative Asthma for GATA binding protein 3 forced expiratory volume in one second fractional expired nitric oxide Food and Drug Administration EuropeanMedicines Agency Epidermal growth factor receptor prostaglandinD2 receptor ProstaglandinD2 receptor 1 cys long long janus kinase innate lymphoid cells group 1/2/3 H1 H1 receptor - leukotriene receptor - - acting muscarinic acting beta

-

macrophage colony -

- binding protein G subunit - agonists

2

- stimulating factor

This article is Accepted WHO ULABA TXA2 TSLP TNF Th9 Th2 Th17 Th1 STAT ArticleSMD PTGIR PI3K PGD2 PDE p110d MR MMP MAPK mAbs

- protected rights by All copyright. reserved. A2 thymic tumor necrosis factor alpha T helpercells that produce interleukin T helper 2 T helpercells that produce interleukin Signal Transducer and Activator of Transcription proteins Small prostaglandinI2 receptor phosphoinositide 3 prostaglandinD2 phosphodiesterase phosphoinositide 3 muscarinic receptor matrix metalloprotease Mitogen monoclonal antibodies World HealthWorld Organization ultra T helper1 - long molecule drug stromal lymphopoietin - activatedprotein kinase - acting beta

- - kinase kinasePI3K delta

- agonists

- - 9 17

This article is discovery of understanding tak this estimated billion €9.8 at estimated loss productivity annual worldwide pulmoobstructive worldwide non chronic, common most ap Introduction gaps order of applications A both compartment intracellular the pharmaceutical a severe severe as such therapies standard by controlled not conditions Antibody process. expensive d for therapies networks molecular with and asthma as such diseases airway Chronic Abstract

vlpet f e sf ad fetv teais for therapies effective and safe new of evelopment im oe limited more proaching pandemic proportions pandemic proaching

Acceptedes Article health crisis health

f hs review this of in convenience and hi comorbidities their longer, costs more andis less successful codn t te ol Hat Organization Health World the to According I to

n asthma, while in other other whilein asthma, current treatment for

the highlight how the how highlight and (2) at (1)

p about 3 about

distinct . ast decade with

The economic of cost asthma across Europe is estimated etr eiiin f agtbe pathways. targetable of definition better protected rights by All copyright. reserved.

SMD research and development and research , c , mat Sal molecule Small impact. nary disease (COPD)disease nary urrent development of new safe and effective therapies for respiratory diseases respiratory for therapies effective and safe new of development urrent 49 the s o compare to is s .

- 4% of the total healthcare budgethealthcaretotal the of 4% phenotypes not controlled by current by controlled not phenotypes

underlying

lower million and antibody and oeua ntok udryn ara dsae pathogenesis disease airway underlying networks molecular , ,

high

er sgiiat udn n ulc elh Increased health. public on burden significant a bear y should be integrated be should y - - cost based (biological) therapies (biological) based omncbe ies aog children among disease communicable s chronic inflammatory - throughput technology and systems biology (3) by

s . inflammatory

de solely

n contrast and (1) - based iey as livery inflammatory was .

W

in Europe in drug ith regard to respiratory diseases, respiratory to regard ith . 251 million, 251

treatment S respiratorydiseases chronic obstructive pulmonary disease ( disease pulmonary obstructivechronic MDs than for otherdiseases either

(SMD) iwy ies need disease airway h dsic pamclgcl rpris n clinical and properties pharmacological distinct the

(6) expand biologic expand

for respiratory diseases. (4, 5) (4,

. an

In addition, the t the addition, In -

strategies, their limitation their strategies, ae therapies based their optimal utilization optimal their

placing - (WHO) such such

rl r topical or oral approximately 38.6 billion Euros billionapproximately 38.6 are . n hs cnro ietfcto o specific of identification scenario, this In In 2016, the 2016, In treatment successful eprtr dsae is diseases respiratory

crnc nlmaoy iess are diseases inflammatory chronic , it ,

such as COPD, biologicals COPD, as such as allergic al

s’ therapeutic targets by reaching by therapeutictargets s’ the

(7) and s ly otal direct costs for COPD are COPD for costs direct otal regimens.

at

in fourth . global prevalence global represent - o e rnltd no new into translated be to

based

n refractory and €17 billionper yearwith an treating affects have

bronchial

leading cause of deathof cause leading

and rapid formulation s On the other the On 358

certain and challenges and n cie il in field active an to COPD n arduous an ly appreciation

ilo people million

fill the critical the fill expand a , sthma is the is sthma

eosinophilic (4)

respiratory aiding ) are of , together , offer , .

Despite chronic having ed hand,

and our the , ing

of in

This article is response “T2” the in involved pathways are responses both Asthma in treatment pathophysiology chronic respiratory diseases 1. chronic respiratory diseases classes drug side dataclinical andReviewing pharmacological and strengths of applications clinical and of review apply characteristics clinical and pharmacological asthma for investigation clinical under or compare of objective main The performance therapeutic clinical and pharmacological biochemical, sought molecule small conditions income disease aim should We phenotypicendotypicand determinants

Accepted Disease) Lung Obstructive chronic for initiative (Global GOLD Article a A chronic bothare COPD and Asthma and endotypes Phenotypes, of success the with Along sthma and COPD, -

after in immune in after - tm is sthma patients rather than symptom control, yet remaining yet control, symptom than rather COPD overlap COPD

and contrastand the

as well as wellas guidelines -

such as severe asthma, severe as such and highlight and main features of features main

limitations protected rights by All copyright. reserved. for drug (SMD) drug .

and usually targeted therapies that fulfil that therapiestargeted effector cellseffector for these diseasesfor

the this lncl features clinical (ACO) - al mediated diseases mediated

and

though it does not represent a single disease entity s major biologicalsandmajor - soitd with associated position paper position

-

. calls for potential avenues for expanding for avenues potential based therapies re therapies based n provide and

SMD is characterized by persistent airflow limitation airflow persistent by characterized is they can be used together to create powerful combinationspowerful create to togetherused be can they the two the - :

and mast andeosinophils

and imres n sha n COPD and asthma in biomarkers multiple biologicals systemic lupus erythematosus, rheumatoid erythematosus, lupus systemic

diseases are biological ifr considerably differ of

an ly effective ly from the from inflammatory

asthma and COPD isasthmaCOPDand

reviewed n/r COPD and/or (8, 9) (8,

and targeted predominant up ta i, n dpie epne rvn y h cytokine the by driven response adaptive an is, (that

present

- , the ambitious goal of modif of goal ambitious the o tetn allergic treating for SMD to - we . by -

based - These t These to date - EAACI side compare safe,

– yearly characteristics as well as features limiting their limiting features as well as characteristics therapeutic options therapeutic based therapeuticbased strategies

an active field in drug R&D drug in field active an

airway cells list of of list reveals

therapeutic therapeutic approaches wo drug classes drug wo available andavailable n re t hglgt o ter distinctive their how highlight to order in Task Force Task T

in GINA( in h Tbe 1 n 2) and 1 (Tables .

their , ILC2 2,

As such, specific key targets for asthmafor targets key specific such, As the distinct pharmacologicalpropertiesdistinct the

diseases, though their though diseases, opud ad nie sources online and compounds oneof

common unmet needs unmet common therapeutic app therapeutic

- Global INitiativeGlobal Asthma for documents

: on strategies

our and and u affordable, especially for low for especiallyaffordable, ncovering Immunopharmacology .

ha

major researchmajor challenges In particular, upon particular, In ying the ying other T

ve h (11) with several features of features several with 9 Te definitions The .

- powerful and distinct and powerful respectively , driven . - .

ih hi specific their with immune currently availablecurrently h cmlxt of complexity the lications and natural course natural natural history,natural

remain highly remain for these twothese for

cell and

[ - Ref.

mediated for immune cancer 4 11) (4,

a brief a

§ Imai]

these )

(10)

is to is and and

of

- - . . . .

This article is goals todisease SMDs and biologicals including options, therapeutic targeted of application order targeted COPD and asthma oxide) nitric expired airway of biomarkers used widely exacerbations, of occurrence mutually by than rather individual, same exclusive COPD subtypes the within degrees varying in coexisting traits disease that revealed cohorts COPD across exists. prevalence and definition phenotypes their regarding consensus universal and management specify to help may that COPD for T v s 16) clinicalfeatures inflammation airway eosinophilic ill an have asthma with patients the of half least at both phenotypes asthma clinic recognized is asthma high’ receptor (CRTH2) cells Th2 on expressed molecule homologous receptor chemoattractant receptors respective their milieuproduced by lymphocytes, Th2 ILCsother and cell types) tarted to reveal to tarted alidation theseof mechanisms will reveal new targets for future h

Accepted ArticleT 1, .

However, h asthma, to contrast In

o ep identi help to N 17, ILC1 and ILC3 and ILC1 17, o single - ramn response treatment n sbye o CP eaebtos ae en described been have exacerbations COPD of subtypes and protected rights by All copyright. reserved.

nuevsd clustering unsupervised - or clinicalortraits modifying strategies. bio T2 and non and T2 marker is marker as

yn targetable fying n idcd sputum. induced and lhuh they although

(22) with recurrent exacerbations and bloo exacerbationsand recurrent with cells a wl as well as , . - pathogenic mechanisms in mechanisms pathogenic sufficiently

T2

(24) h eouin u evolution the as well as well as

has nothas ally subphenotypes of severe asthma severe of subphenotypes

. a been has

Advancing as h COPD the

taiy patients stratify disease

clarified severe allergic asthma (IgE asthma allergic severe (DP2) receptor (PGD2) D2 the ae o ciia vrals n ifamtr markers inflammatory and variables clinical on based specific with

Overall, ikd o otcseod insensitivity to linked neutrophils dr ramn o te mortality the or treatment nder

pathways

u kolde o knowledge our continuous by characterised better is heterogeneity underlyingmechanisms in asthmatics in and sensitiveandthe predict to iiain exist limitations - provide defined ,

none COPD ,

(8) rv te eeomn ad personalized and development the drive

; a prognostic outcome are outcome prognostic a

can are ’ s are such such T2 imilarly, clustering on clinical features clinical on clustering imilarly, d

interventions disease f -

and sputum and

low blood eosinophils, blood

associated to a greater exten greater a to associated effectively - (1 mediated) or or mediated) as 7) ’ for

IgE andIL . phenotype o Prospective and longitudinal and Prospective f (19 current

asthma ahgnss s pivotal is pathogenesis

progression of progressionof - 21) Clinically

predict (18) n etn treatment extend and - , risk 4, IL

sever biomarkers

oee c however . (14) as anticipatedas (12, 13) (12,

- FeNO (23) 5 and5 IL a , . ,

e eosinophilic e n

C lacking ia also

many . utrn o lustering individual . However, .

. ( COPD n n and h most The fractional The lustering

- term n both in 13 and13 ,

t COPD as no as

, t , (15, ‘T2 with has on ed he ly in f - - -

This article is example, essential early or preclinical in currently COPD for n pathophysiology reduc and progression disease and disease no are there and currently no ta T2 counts. eosinophil ( blood high by defined inflammation eosinophilic anti and ) and ( for () add patients, population asthma difficult complianceIf of use of measures objective providing features morbid anti based based inflammation and and the control COPD and asthma of goal 2. Main d ovel upilumab Accepted- Article high asthma. asthma. high

clinical reassessment drug targeted For COPD, the stakes are stakes the COPD, For T 2. therapy once

he majority of patients withasthma achieve - p - a to

harmacological . side that respond poorly to poorly respond that , t o nrae h od of odds the increase to

- rials with anti with rials Current therapeuticapproachesCurrent

- oto atm cn al in fall can asthma control although ) inflammatory symptoms andreducesymptoms to (17) -

a which - - - and inhalation technique aretechniqueinhalationand n ilgcl hrpe at therapies biological on effects

d rgeted (25) therapies protected rights by All copyright. reserved.

ay formulations ay n carries and and the and have For patients with non with patients For relieverdrug hs wt high with those . is

lre ubr of number large a H effective particularly in severe eosinophilic asthma eosinophilicsevere in particularlyeffective (4, 1 (4, therapies available owever, en addressed. been - f

IL - , eatures (29) lack of of lack

modifying therapies modifying 1) hrpe ee when even therapies aimat - current treatment strategies, as recommended by GINA and GOLD, and GINA by recommended as strategies, treatment current 5 .

h lret burden largest the (30) . Bothregimens

s - S some patients remain refractory to control by current by control to refractory remain patients some

stage clinical development clinical stage

(26, 27) (26, trikingly, even during stable disease biomarker

prevent

of e glucocorticoid use and

total hs drugs these b h mraiy rate mortality the iologicals the risk of exacerbations, risk of the develop ,

to higher as higher anti -

eosinophilic inflammation and non and inflammation eosinophilic , h ctgr o svr asthma severe of category the

eu IE ees with levels IgE serum which ing

M ad biologicals and SMD none of the of none as theirendotypic definitionis currently unclear. opine s improved is Compliance GINA - : good for many but leaving out too many too out leaving but many for good : s for s

IL - satisfactory, IL

includecontroller - exacerbation 5R - . rcpo atbd (erlzmb fr hs with those for () antibody receptor 5 and ing

lead  patient current Current tp ae o aalbe uh s anti as such available now are 5 Step therapy. rgesn truh h dvlpet process development the through progressing deec, rpr s o ihlr hrp ad co and therapy of use proper adherence,

of

antibodies easier SMD

the s sha obdt ad costs and morbidity asthma

to (11) biologicals ir s stratification

. anti then this then

therapeutic goal therapeutic improved

-

for therapeutic goals to

s

Severe asthma Severe (Table 3) ,

- (10) T or reducor - use a inflammatory therapies are not effective not are therapies inflammatory e complexity he (31) sthma

drugs lower ietd gis dfeet targets different against directed .

legc asthma allergic and

pursued

group of patientsof group B in eosinophilic COPD eosinophilic in control with conventional therapy conventional with control etter endotypic characterization endotypic etter . y opig naes ih devices with coupling by

and ing

targeting have airway oe fetv ihlr and inhalers effective more

their severity COPD

s (28) - exists in exists

, besides smoking cessation smoking besides , so far so

limited

with the current lo aeld as labelled also - s / n anti An allergic

heterogeneity of of heterogeneity

damage will also be available foravailable be also will

airflowobstruction t , reatment

ha r anti or

. the ~ s

initially labelled aslabelledinitially

5% of the asthma the of 5% o ti gop of group this For disease reached approvalreached - , IL ,

development inorder to slow . . loss of of loss - glucocorticoid showed R antibody 4Rα - - The common The IL . g antibody IgE

-

antibody 5

refractory guideline there are there function either COPD . is to is

and the For are

of is - - - .

This article is high avoidingthus potentially undesirable effects on their to due conditions physiological under membranes weight molecular cell cross not do they as targets intracellular desirable or molecules soluble systemic action and da benralizumab) SMDs of those than scaling SMDs than costs monetary associated well having Conversely made be can copies identical therefore, well is modification Any well simple, is structure act without receptor the bind to able cytokines mutated or cytokines specific for receptors soluble as targets specific against directed and organisms certain for suitability their and body the in formulations action of mode their behave, they how produced, biologicalsSMDand eosinophilic severe asthma. eosinophilic lesser a il

Accepted Articleivation y. ;

-

up however, are Biologicals 2. or no or I ally . resp n . b ,

, Their

purification

, hr i srnt i dfeecs c differences: in strength is There molecules

S asthma. the mostly ( MDs Table reduction

via protected rights by All copyright. reserved. (33)

i aoy diseases ratory l

ow molecular weight and chemical structure chemical and weight molecular ow d many (36) intravenous

vlpet f ilgcl rqie rltvl cmlx rcse wt higher with processes complex relatively requires biologicals of evelopment r defined are . s 4 by oral formulations, oral by .

)

thus , Biologicals can be monoclonal antibodies (mAbs) antibodies monoclonal be can Biologicals

. . (32) extra Biologicals and SMDs differ not only in terms of size, but also in how they are they how in also but size, of terms in only not differ SMDs and Biologicals Th

-

n qaiy control quality and Incontrast, biologicals are directedagainst extracellular cellor surface molecular large For other defined and independent of the manufacturing process used to create them.create to used process manufacturingthe independentof and defined in exacerbation rates exacerbation in i - ipis ht oiohlc OD a be may COPD eosinophilic that implies s . characterized and SMDs are mostly mostly are SMDs and characterized

- the same reason, biologicals cannot cross the blood brain barrier (BBB), barrier brain blood the cross cannot biologicals reason, same the umnr targets pulmonary hy are they

SMD or subcutaneous routessubcutaneous or as eemnns uh s yoie, hi rcpos r te different other or receptors their cytokines, as such determinants a s

ige oeue wt a oeua weight molecular a with molecules single

commonly i ( s e.g. usually by - (35) weight because of because ektin modifiers, leukotriene inhalation, steps a t as , ,

respectively,

central nervous system ( diitrd every administered maio o mi pamclgc hrceitc of characteristics pharmacologic main of omparison - hrpui aet ta ae yteie b living by synthesized are that agents therapeutic

sd ot for route used

hs aig h ihlto route inhalation the making thus (33) e rdcin f biologicals of production he their . hc allows which ;

h half The SMDs are SMDs - eie pyiohmcl properties physicochemical defined chemical structure or because they target they because or structure chemical when compared to their effects in severein effects their to compared when

s

allow SMD access SMD allow - ie o b of lives

ehlatie) r administered are methylxanthines) instead rdcd y hmcl synthesis chemical by produced administering

rapid a 2 - mechanistically 4 or or CNS

weeks administered once or twice or onceadministered recombinant proteins such proteins recombinant ooias r mc longer much are iologicals ) bopin and absorption .

(every 8 8 (every nege multiple undergoes < SMDs to 0 Dlo. Their Dalton. 900 and not ifrn from different

targeting like esbe or feasible weeks ne of onset

- topical bound (34) for

of ; .

This article is outcome this Acceptedin resulted trials clinical 2 phase beyond the analysis computational by development drug of toxicity immunogenicity response immune an evoke to SMDs than renal or hepatic non metabolism cytochrome p450 Biologicals, administered parental to contrast Articlea have long lipophilic lower and/or activation glucocorticoids prevent structure any almost reach can and wall intestinal the inoncology and specificity high ensures non at pathways advantageous potentially be might - progression pcfc phagocytosis specific airway epithelial cells high . T 2. m The via bloodstream the into absorbed are they tract,gastrointestinal the in dissolve SMDs When biologicals therapeutic than specific less generally are SMDs

Currently, AEs to SMDs due to Currently,to SMDsdue AEs . he ytmc adver systemic c

. (32) unexpected . have SMDs inhalation, by administered When affinity for caveolaeforaffinity Nobody is perfect: atropine, relative

- – ilgcl cn e erdd n yooe after lysosomes in degraded be can Biologicals acting beta acting tbls o SD dpns n polym on depends SMDs of etabolism

protected rights by All copyright. reserved. . redundancy

r i fc caatrzd y low by characterized fact in are (40) - f ay MAP many of , whereas , biologicals have anextremely low clearance toxic strong tendency to form lipid conjugates lipid form to tendency strong ly .

lower nae anti inhaled ly levels

modest efficacy modest e fet (nie al 1 Table (Online effects se - . agonists (LABA) and muscarinic antagonists muscarinic and (LABA) agonists o

Due to Due and slow drug redistribution

f are and specificity of SMD of specificity

.

the in COPD ( COPD in Limitations

ovrey te aaiy f ilgcl t tre ige determinants single target to biologicals of capacity the Conversely, - , a type of lipid raft, further slowing drug redistributiondrugslowing furtherraft, lipid of type a , therefore ideal for ‘personalized’ or ‘tailored’ medicine ‘tailored’ or ‘personalized’ for ideal therefore kinase compensatory mechanisms compensatory ly /macrophage ucrnc d nt as the pass not do muscarinics , their longer half longer their

as have atarget

, it

o hshioiie 3 phosphoinositide Table 6 Table ff may allow inhibition of inhibition allow may

and in clinical trials clinical in . - target

The use of humanized and human mAbs human and humanized of use The critical issues related to s

)

at of part compared to compared

- (7, 8, 42, 43) 42, 8, (7, (41) effects are increasingly identified in the early stageseffectsearlyincreasinglythe are identifiedin dependent distribution. - life and size and life . . systemic rhss n mtblc nuto o hepatic of induction metabolic and orphisms . ot new Most ). However,

(37) . h bd bcue f hi small their of because body the

ytm hra SD ae lmntd by eliminated are SMDs whereas system Many factors Many , - specific , multiple isoforms, multiple ,

. kinase

resulting in high drug high in resulting

These features are sha biologicals

target iaalblt, ih laac, local clearance, high , and t and ,

multiple BBB there is a greater risk for biologicals for risk greater a is there toxicity ( pharmacokinet , PI3K) argeting ,

biologicals and SMDs although t although idn ad internalization and binding (38, 39) (38, thus that does not dependliver not on that does - are thought to thought are eeain topical generation

,

 carries ha

clinical

(or prn the sparing s

kinase significantly .

 his limited specificity limited his alternative pathways alternative Ultra ) ly an

n JAK and ic relevant signaling relevant concentration

s with SMD with s increased red by the highly

- properties minimize L . ABA

contribute as evidenced as Moreover, CNS .

hampered -

s

inhibitors

chemical

( ULABA inhaled effects

ris s

s mAb

that k of k , s has

by to in in ) .

This article is subsequen with ineffective proved therapies other whom in patients some in development clinical further into proceeded time that leukotriene predominantly a mainly positioned allergicpatientswithasthma (5 lipoxygenase pathway biomarker 3 bioavailability, metabolism, clearancehalf and drugs SMDs use clinical short inmurinetumors models leukemia lymphocytic chronic and lymphoma levels IgE total that through treating 49) (48, follow ( delayed headache f well cytotoxicity ( effects immunologic other while diseases related aneffective local concentrationwith much reduced systemic exposure and AEs (44) requently reported requently .

AcceptedBiologicals and SMD Article - and tolerated with a favorablea with tolerated - up studiesup . 3.1 The

mechanisms

te imnlgcl diseases immunological other patients also in this case, this in also

[ . 210 patients/year ≤2/1000 - i.e., The off The n lwr eprtr tat infection tract respiratory lower and ae approach based

) can be can ) Following proof of efficacy in traditional asthma models asthma traditional in efficacy of proof Following Beyond main with their adminis their with

cys protected rights by All copyright. reserved. - LO) pathwa LO)

, but not all not but , is , - sc as (such - do target or indirect effects of omalizumab have been also successfully exploited for exploited successfully also been have omalizumab of effects indirect or target due t due leukotriene (LT)1 receptor antagonists and antagonists receptor (LT)1 leukotriene E seiial rltd o mAbs to related specifically AEs eitheran anti

AEs are i are not also not s

in asthma and COPD: o strategic considerationsstrategic o - inflammatory identify

( nversely associated with the risk of multiple myeloma, B myeloma, multiple of risk the with associated nversely

yet ≤ (54) good lack of of lack . 3%) immune

y - ] fully understoodfully n h 19s SMD 1990s, the In (56) driven asthma, whose phenotypic characteristics were not fully not were characteristics phenotypic whose asthma, driven AE or a desired effect desired a or AE , . (58) (46)

were introduced as the first targeted agents for systemic (oral) use in use (oral) systemic for agents targeted first the as introduced were tration profile safety The s (55) ) any associationanybetween . patient selectionpatient . (47)

Following - are injection are

antibody . complex osqety th Consequently, afetyprofile

. nie als 1 Tables Online glucocortic route, formulation, starting dose in adults and adults in dose starting formulation, route, ,

Pooled such such - -

. c registration(1999 eitd pathologie mediated eedn (DC ad complement and (ADCC) dependent

showing omparison

- (50) With o With (51 life s hoi sotnoscrnc doahc urticaria, idiopathic spontaneous/chronic chronic as - . including s site

analyses oids of . -

rather than for a for than rather . 53) (8) R

.

Ona cautionary note anti r AE are

(

reactions an reactions s cas ae nuin reaction infusion are class) a as malizumab, used in the EU since 2005, since EU the in used malizumab, : SMDs as SMDs : . B . ese

a modest beneficial effects on clinical outcomes clinical on effects beneficial modest iologicals approved for asthma iologicalsfor approved

The inhaled route for these SMDs may deliver may SMDs these for route inhaled The - Moreover, IgE plays a role in the reje the in role a plays IgE Moreover, - f IL in

it n cmae prvd ilgcl and biologicals approved compare and list rg w drugs omalizumab therapy and risk oftherapy andriskomalizumab - f lncl trials clinical of include s t 5 biological 5 herapeutic naoit o te rcioi ai (AA) acid arachidonic the of antagonists

to a lesser degree lesser a to - 2000), these2000), first forerunners d pain, asthenia pain, d ere , muoeiiy autoimmunity) immunogenicity, s, specific npyatc events anaphylactic (56, 57) (56, t s fe pecie b dfut to default by prescribed often s , at , therapeutic ettings , recent studies demonstrate leasttheir within indication and , biologicals ,

several of these SMDs these of several

(45)

observational - in , nausea, arthralgia, nausea, , inhibitors - . - - depe class agentswereclass failure cell non cell

s in are overallveryare

provides

n immune and as bearers of bearers as patients withpatients dn (CDC) ndent sometimes , malignancy

(59)

relatively of the 5 the of - mostthe Hodgkin ction of ction clear at clear 5 .

-

their year This - -

This article is approval). (pending available is which anti reslizumab, anti approved T2 scope and some including ourbeyondare diseasesthese approachesin SMD testingbiologicalclinicalandof studies description development, of phases different in COPD and therap targeted compare 6 and 5 Tables upstreamactivation events an similar mutationssomatic agent influence functions biological of spectrum is stratification patient guiding biomarkers entities on inception from based been has biologicals respectively 13, Th2 to response for indicators as selected Th2 asthma the in heterogeneity obvious less were inflammation airway targeting ( second one in volume clinical phenotypes targeted successful a of emergence for prerequisite the as recognised increasingly antibodies monoclonal of launch the delayed i aeut apoc ld to led approach nadequate

Accepted- Article high severe asthma severe high brat iae ucin s oty eodr t cmlx disease complex, to secondary mostly is function kinase aberrant - eie boakr, uh s lo esnpi cut n protn wr frhr aiae and validated further were periostin, and count eosinophil blood as such biomarkers, derived .

strategy is not directly applicable directly not is strategy

3.2 Biologicals3.2 SMDsandrefractoryfor asthma COPD:and proof While - I oncology n

and ‘Th2 xrse o T on expressed are

- subsequently high/ Th2 high/ describedin - the definition of asthma, and later COPD, COPD, later and asthma, of definition the protected rights by All copyright. reserved. g (mlzmb or (omalizumab) IgE - IL (61, (61, -

5R , of kinasesof , - discrete inflammatory

of ain stratif patient 62)  bronchial -

concept studies for SMD like bronchodilators could rely on rely could bronchodilators like SMD for studies concept with mAb - low’ . h FEV1

2 recent comprehensive ned a ao dfeec bten ilgcl ad SMD and biologicals between difference major a Indeed, ratherthan genetically definedalterations

, : - the two the

n ellr n mlclr biomarkers molecular and cellular on ILC2 or

the benralizumab segregating with responsivenessto withsegregating )

epitheli other specificother eesblt a a la indicator clear a as reversibility emnto o svrl rg eeomn porm and programs development drug several of termination cells ication strategies the , um oiohl ad basophils and eosinophils ies for

- phenotypes (QAW039)

in b SMDs by d targeted biologicals, including mAbs targeting IL targeting mAbs including biologicals, targeted anti ) versus ) rncitmc intr i ptet wt mild with patients in signature transcriptomic

instead based on biologicals and SMD and biologicals on based SMD/kinase inhibitors SMD/kinase lncl trials clinical genetic biomarkers ofgenetic biomarkers patient stratification patient - IL (Figure 1) (Figure

- by by reviews biologicals 5 . new antagonists of the PGD2 receptor PGD2 the of antagonists new lagging behind lagging ,

t es 2 years 20 least at

n 09 Worf ad olaus identified colleagues and Woodruff 2009, In

timapiprant and oprd to compared

(63, 64)(63, can be drawn by drawn be can of s eeoeeu disease heterogeneous as responses to standard therap

SMD

( anti

inhaled glucocorticoidinhaled . parallel s , possibly also due to the to due also possibly , f efficacy of or or , 6, 66) (65, in

However, an s ae on based is that initially based on clinical disease disease clinical on based initially SMD - . those impacted by by impacted those severe IL .

- .

mAb 5

-

ae en halted been have approaches,common goals R response and resistanceandresponse r vn endotype even or s ain srtfcto was stratification Patient sac o SMD on esearch

prah only approach , respectively, ,

the use of of use the asthma ht a so become soon may that boakr fr drugs for biomarkers , s

: example targeting of the

are SMDs that bind that SMDs are m forced expiratory forced epolizumab or or identification of of identification s s

ih different with s htue of use that is the FDA/EMA the

COPD, ies therapy biological a , for asthma for /

or mod - (16, 60) ih the with A . 5 and IL and 5 probably - broader

- specific CRTH2 related where erate (12) and . full . A

- , . .

This article is metabolism for antagonists receptor intracellular are results antiproteinaseinhibitors) trials clinical in CSF phase 2 studies ( CXCR2predominantlythroughoccurs whichneutrophils, of phenotypesrelat and presentation clinical heterogeneous and pathophysiology complex a form comorbidities relevant clinically and infections bacterial or viral smoke), cigarette in inflammation 2) (Figure investigation receptors, activation and recruitment neutrophil Alongside t asthma patientsof forevaluationof biologicals with comparison direct a allow also would antagonists CRTH2 asthma severe eosinophilic driven, selection patient based phenotype of lack to due possibly phases, development later in failed compounds several However, T blocking mainly responses allergic recruit to and cells mast by produced prostaglandin competitively and reversibly n hymic stroma hymic

AcceptedandAZD5069)avarixinbiologicaland approaches anti (the Article -

and/ortheir receptors , omn to Common Additional targe -

c RH antagonists CRTH2 also two major areas of therapeutic unmet need unmet therapeutic of areas major two -

kit (Table 6) ting l lymphopoietin( l protected rights by All copyright. reserved.

(Tables and 5 6) seen n ms cell mast and the Tbe 5) (Table

IL biologicals

- context of of context 4R ot of most ed in this area this in sc a ihbtr o matrix of inhibitors as such , .

α .

biomarkers able toguide targetedstrategies , IL ,

are in are . O nly recent studies finally provided finally studies recent nly

- thromboxane deemed pathogenetic in neutrophilic inflammation have underperform combinedadministration 5R ; n contrast In

several

to non

, α Tbe 5) (Table TSLP)

heightened stabilizers . phase 4 4 phase

against directed SMDs and CRTH2 B with trials of of trials with - T2, T2, iologic (72, 73) (72, ] inhibitors of other inflammatory other

h . (Figure 1 (Figure non 2 several ,

post -

(67 (76) n proof In al synthesis IgE and eosinophils cytokines, related

ae en developed been have n te Nzm treig GATA3 targeting DNAzyme the and -

2 (TXA2 A2 targetings cytokines major . oiohlc asthma eosinophilic oxidant burden oxidant -

69) - ) Hence, a Hence, marketingconfirmatorytrials ,

) although with disappointingwithalthough ) the SMDs

hrb hinder thereby - ilgcl ta ihbt etohl elastase neutrophil inhibit that biologicals MAPK of TSLP - ocp suis CT2 naoit abrogated antagonists CRTH2 studies, concept )

. te rmr pout f COX of product primary the , targeting an array of secreted metabolites and metabolites secreted of array an targeting

ealpoes (MMP) metalloprotease b

etter definition of biomarkers of response to response of biomarkers of definition etter CRTH2

and JAK

– mediators receptor

PI3K

. is the is , that

-

the CXCL2/ILthe IL E

xposure - specific + cells and a primary primary a and cells +  8 mAb, ABX mAb, 8 - / Fgr 1 (Figure hinder STAT  g cell

o treat to , lucocorticoid luoye nye ivle in involved enzymes (leukocyte ucrnc eetr, histamine receptors, muscarinic [ . IgE, OX40L, IL OX40L, IgE,

activation by PGD2, PGD2, by activation –

Indeed, targeting t pathway to air pollutants ( pollutants air to indication in patients with T2 with patients in indication

suchas IL h ietfcto o discrete of identification the

- and/or , 8 receptor 8

- ih panel) right in IL severe

results for IL for results

- stable 8 s - ) - 9 resistant neutrophilic resistant are (Table have the correct the

- 1, IL 1, (77)

- 4, IL 4, hypereosinophilic COPD , with , all failed -

17, TNF 6) n of and ne clinical under - - and mainly active mainly 5, IL 5, 1 he migration . -

- . 13 trigger both dependent

h major the

D in selection 7, 71) (70, - to (74, 75) (74, ivergent 9, IL 9,

(alpha1

 several PI3K COPD SMD , GM , - 13, for ed  s - - - ; . .

This article is in approaches inflammatory responses of pathwaysboth receptors both blocking therefore, develop clinical of stages earlier in while 2b), (phase COPD for therapy maintenance as development under is COPD andasthma both of studies 2 phaseinresults promising yielded anti and synergistic Combining mo to superior was moderate with patients (NCT03112577) investigated be to remains administration combined published been has asthma therapeutic efficacy drugs newadventof add determinants disease pathophysiology COPD and asthma biologicalSMDs’ and allow They pathological stratification patient strategies and Accepted Article - /or on

should provide should classes the

targetability of these molecules and pathways, the efficacy of of efficacy the pathways, and molecules these of targetability ment for asthma for ment Studies on association on Studies r case, this in Also F o ae n double no date, To 3.3 ih conventional with ew ht ald n rciia o ciia studies clinical or preclinical in failed that endotype n RG30, mb gis IL against mAb a REGN3500, and B examples exist of exist examples and functional and , takingadvantagethe relative, approach eachof ofstrengths iologic biologicalsand asthma and COPD and asthma protected rights by All copyright. reserved. .

al . - .

rvn ain stratification patient driven therapeutic response and s

. the

To achieve this, this, achieve To For severe asthma severe For (81) cellular and molecular biomarkers molecular and cellular - to

te than ather SMD SMD SMDs – - ln cnrle til tdig h cmiain f ilgcl in biologicals of combination the studying trial controlled blind -

u t the to due . eee sha on ta co that found asthma severe will SMD

studies of of

Moreover, ntelukast alone in improving lung function and disease control disease and function lung improving in alone ntelukast : , therapy need SMD s obnto strategiescombination despite the despite

shouldopportunities hastennew for ed isl to itself lends

evaluating the evaluating s further ih SMDs with inferring,

hoi etohlc ies determinants disease neutrophilic chronic are limited but promising: a double a promising: but limited are

ih ot of cost high s (83) ih significant with (step 5 GINA), a targeted a GINA), 5 (step . ILC2s express both cysLT1 both express ILC2s

- .

3 ad combination a and 33,

deconvolut potential advantages potential

- on nlmaoy rpris da PE/ inhibitors PDE3/4 dual properties, inflammatory necessary the ol ptnily boae h downstream the abrogate potentially could hs bases these combination will ah drug each s o du combinations drug of use .

io in hr i a rgamd td involving study programmed a is There ed o e revisited be to need glucocorticoid n that for a

by additional basic and clinical studies clinical and basic additional by sthma - diitain f olmls and of administration rpry testing properly . , align

of lc o ptoei significance pathogenic of lack a N

biological for for COPD & evertheless SMD (82) the

(80)

with clinical presentations clinical with f h to rg fr asthma for drugs two the of this strategy this testing , -

prn effects sparing - biologicals and SMD and biologicals . inorder and CRTH2 receptors CRTH2 and

and mAb and This inhaledcombinationThis - ? blind controlled trial of of trial controlled blind

therapy is therapy h htrgniy of heterogeneity The

associations , aig no account into taking

h efc o their of effect the to – to improveoverallto – n comparing and –

: first : target lncl physio clinical, based targeted based given (78) , the non the , different

of . - severe based these as

(65) (79) T ,

he an to - - - ; . .

This article is off via indications urticaria, idiopathic chronic for omalizumab of case the in and, disease well and safe needed, much a broughthave asthma severeeosinophilic for or allergic for approved far so therapiestargeted based, clinical COPDheterogeneous and asthma of diseases complexity lung molecularinflammatory and cellular the uncovering are Conclusions associatedwith its side effects biologicals 5R been have all since disease, airways in approach this for exist (NCT02099656) proces extracellular context so approach dual effective dosage, reducing toxicity advantage and to resistance signalling downstream and cancer gefitinib/erlotinib)inhibitors, investigated a achieve and overlapping pharmacological properties of - 

Accepted Articlefarelusive endotype

achieving there

s (32)

. Given Clinical and translational studies, as well as l as well as studies, translational and Clinical it may be more relevant t relevant more be may it ,

o hs n, hr ae tde fr erkzmb n obnto with combination in for studies are there end, this To could replacecould conducted . verified w

/

the combination of biologicals of combination the intracellular s reduction a as SMDs T

the large the he combinationw with protected rights by All copyright. reserved.

rwh niiin f ige treatment single of inhibition growth yegsi ciia response clinical synergistic r with or - target effects target

preclinically, restorin inhibitorsby a single in the presence of high dose inhaled or oral or inhaled dose high of presence the in -

drivenpatient selection rsnain ad eadn teaetc regimens therapeutic demanding and presentations heterogeneity m oral glucocorticoid useglucocorticoidoral oeue and molecules ontelukast - target

r vn cessation even or to carry n ua tumor human in .

- . oeae tetet o ains rvosy ufrn w suffering previously patients to treatment tolerated target as superior t is that is

N o t o while aim evertheless, long evertheless, a est the combination the est ao hat ad cnmc udn worldwide burden economic and health major (NCT02104674) the may may of the

preserving efficacy g

ahas ht converge that pathways asthma and especially and asthma the the two drug classes aberrant activation of activationof aberrant addition ofaddition apply to apply (anti EGFR mAb, cetuximab) mAb, EGFR (anti o .

inhibition of proliferation of gefitinib ofproliferation of inhibition either

.

With in these patientsthese in

cell n rl prednisone oral in T o gaina specific s - Ph . a term sustainability of treatment with biologicals with treatment of sustainability term single arge

hs rationale this

o asthma for relatively

a ase -

M re biological to biological

- of of oreover, itn tmr xenografts tumor sistant scale data and computational approaches computational and data scale (85, 86) agent 3 studies of studies 3 biologicals and SMDs and biologicals

may

small

, thuscosts reducing morbidities , and , EGFR pathway EGFR of .

yielding glucocortic yet multi .

on

, Proof h combination the overcome COPD use

an rciia studies preclinical

patient pool patient common a , biologicals SMD could SMD

- hc indi which

and SMDs and have of strongerinhibition of pathophysiology - targetedapproach - ocp studies concept oids .

pathway redundancies

expanded in h fu biological four The .

no pathophysiological -

targeting . and would and For resistant cell linescell resistant in severe asthma severe in lower ae ta th that cates

n (tyrosin (84) glucocortic - hs c These overc small cell lungcell small anti t refractory ith u t their to due n oncology in

. the latter’s the its - ,

IL a different a e

Another me - original already

5 or IL or 5 need a need similar hronic kinase in EGFR oids this e the se - -

This article is keenly severeasthma, COPD or airwaywith patientstheof andwithin cells activationstructuralimmune in understanding of the humankinome CysLTs/CRTH2 (e.g. SMDs strategy such of advantages IL targeting of outcome different presentations ideal an asthma of presentations clinical specificity high for with well as drugs of class also disease development understanding and withdrawal as such thasensitivity/specificityhigher with biomarkers, to devoted asthma and SMD strategies for industry development and research for strategies preclinical D g failed disappointingly strategies, SMDs and biologicals new several while concern a remains enerally throughlack of patient stratificationand/or absence a of Accepted Articlesetbacks these espite adequateandbiomarkers in

CRTH2 antagonists having

studies needed - On the On On the On modifying therapies (55) , treatment response, optimal duration and long and duration optimal response, treatment

from eerh and research

the identification of of identification the

suggest , of d

evaluating SMDs evaluating

biomarker identification biomarker n re to order in of protected rights by All copyright. reserved. ‘right rugs rugs (92) ‘right

targeted therapies targeted biomarkers COPD and non and COPD

. n lw ie effects side low and in orderto deliver s

target drug

patient Together with formulation for the inhaled route, route, inhaled the for formulation with Together that - , many strides have been undertaken to shorten the shorten to undertaken been have strides many ,

. u

prvl f new a of approval ltimately to ltimately

’ antagonists +/ antagonists

more more side, i side, ing e effective be . . ’

targetedtherapies T To this To for for

side he adoption of he adoptionof

pathologic will basic - t is intrinsically is t T2 asthma T2 - outcome children

3 ess omn IL common versus 13 of this connection this of

d introduc for th for

– end, COPD that may that COPD ‘dare to compare’ to ‘dare /

‘ the complement full humanprotein of kinases the right drug tothe translational research translational hgl poiig agtd hrpe, prahd y both by approached therapies, targeted promising highly , to integrated to cos ifrn phenotypes different across - –

ese it H (88)

- < with specific ahas ht r a cosod o dfeet clinical different of crossroads at are that pathways 1

co e 2 years 12

rg te so the drug, end

large antagonists appropriate a uld be worthwhile be uld

and p needs to be needsto difficult to reconcile a reconcile to difficult h multifactorial the n otypes henotype/

, heterogeneous , single

biomarker increasing , also . disease recent meta recent - ,

term effects of treatment of effects term - biologicals t s rtcl o e a get to critical is It to enable to markers 13/IL - or DP1 inhibitors) DP1 or biomarkers vary over time over vary ald Vle o Death’ of ‘Valley called o complete to right endotype effectively and bioinformatics analyses bioinformatics and

approach s - receptor 4 collaboration . patient

also to also n appropriaten (91) hs wl poal be probably will These - pathogenesis

endotypic discrimination endotypic a patient and SMDs, SMDs, and nalysis nalysis -

, driven patient selectionpatient driven

r n ie phenotypes mixed in or to assess to as used fortrialsas used of

es single addressed ’ it

test combinations of several of combinations test (Table rg eeomn phases development drug .

(89, 90) (89, will enab will

 As discussed As population .

o

- ewe aaei and academia between hi pit t existing to points chain

f critical period critical target In this area, i area, this In

anti

7 predictive biomarker for example for multiple parameters,multiple

epr mechanistic deeper ) n heterogeneous and .

.

, risk of relapse on relapse of risk , (87) by both biologicals both by

-

le the le IL

The requirement The approach

- - , particularly, its 5 therapies for therapies 5 through , s

, i , that lack any lack that need to be to need t would be would t biologicals deliver composite

ncreasing

between

anti and

for this for – .

ideal

- new y of y The IL the - is 5 , . ,

This article is Table Initiative companies different partnerships fostering schemes funding different among specific of development the require may combinations treatment personalized a for effect combined their of benefits interaction biologicals/SMD of knowledge mechanistic advantage the accordingly SMDs and biologicals of effects in inhibitors 4/IL ILsubunitreceptor for undertaken side effects inhibitors effective and safe

Accepted Article oncology the - 3 CXCR3/CCR6 13, 1 . present At are molecules multiple targeting inhibitors single on studies preclinical ahead, Looking

Key characteristics of asthma (97) , , so far

(9, (9, 44) in .

aeul peoye ains with patients phenotyped carefully s protected rights by All copyright. reserved.

developed for both pharmaceuticalindustry n rheumatology and f hi cmlmnay approach complementary their of . , -

however, 4R

-  ilgcl ad SMDs and biologicals

and 

or dupilumab

CCR3/CD300a) through

we shouldwe ih oefl anti powerful with anti

(32) - angiogenic treatment inlungcancer

,

 field . Table public/private and

C also miain f t of ombination s stakeholders COPD

that 5 (93 ) learn from thefromlearn ,

with with - : 95) clearly pathophysiology - nlmaoy properties inflammatory

bi hoi nlmaoy ug diseases lung inflammatory chronic h da IL dual the n wt multi with and osri, uh s n h Invtv Medicine Innovative the in as such consortia, - otie i ti review this in outlined , specific antibodiesspecific

- niae h potential the indicate s

for example in case of compounds owned by owned compounds of case in example for

ree mb ad SMD and mAbs argeted il e eesr t explo to necessary be will preclinicalearly and

- 4/IL

in asthma and COPD and asthma in - - 3 lcig As gis their against mAbs blocking 13 agt eetr yoie kinase tyrosine receptor target (96) , (e.g. dual antagonistsdual (e.g.

that .

eeis of benefits - . phase clinicalphasestudies icmet systemic circumvent s

hud e studied be should lal, increased Clearly, re . ,

h potential the

Testing drug Testing o maximize to

synergistic

for being IL - This article is * P A A C K K P P P M M e h u u a i i e e e r r a a a t y l l a y

Acceptedw f Article v m m h i i l k n n n o i c m a d o

o o

g f w e s r y e l l e e n n o o l i i

l s n t d h l s a a g w t e k i c m y i r r y i i a e n c

y y o f p v p a i t a f t f o a e l a e e c r l a u c o r r r m r s t f t h i r n t e o s m a i i e e o p

a g n r r b a s r o

s n

h t r

n f i i p p u a l a n protected rights by All copyright. reserved. u y i d o t a l r n i n s

y c e h t n d r e c

h s a e y o s m t o i i c m i p r v o a e g f e e n l i p e o z r n

t e t n w e e o d e s n

r

o s c s s s i b o * s i o n s n t t r r u o l c l e t i d o

n t r i a S l s L u

a A b ( I P M r L e b g h - p s 4 u e L a e i / l t c a R s y A n I h u e r e L

t l e g r s l - s

e 3 e

4 i l e e p c L n i ) I v P r a R

x h o i

n T a g e r l G l α M a a E i w A a 2 n i r f m b c D c , o e n A f s t d , e s a a A

i e i I o H s g l r I b o 2 b b t r L o s s I i L r s h t r e s g / n r h t s e i l - m n b o C a y g e A i t 5 C o e s E o n m c a p m g 2 C i

h s i / R d r a c n i p ( o e n t y i n I , h p w a r e n l T t s i i L s l a f l T

l o r e l l

n e i s o n s - H s u a a o n 9 e 5 n n A t n c o y g i n 2 u

s R a s r t c - m s n s ) i s w i s l α e c o - C i i m d n t e s t a , n a o i m u

y e m s I o y s n r r l L / s t c k o A i d L b - β

n i h e 1 S k l s

l r 2 e g a v o o m r

e 3 a

u E e s c l l a r n / i o E D u k n o s n d g e o o p t d l F e e r l a

e t u t i o i e / n t b r r h

c m t h B n o d i r m e o h m e e n o r u c n r e i l r

b a t t i e s c u e l g a i i c i l c c h l c a a s M s i l

l a r c S c c S s r / o l s c c o h o r

c l o e t u i c r e e e p i d E y a s m n v n e e c L l l h s o n e c l l i i c r u o l s s c L e c l a e s g r e e s s w

T

i t e g i l r e c

n p n l i R q e P s m e e s o t l a f u u s c

e s o l p p ( l a L e a e n p r p T r t T h a m s i n p s g h o l 1 b o i , u r

t S l t

r a ( , r m g s m f b g i

o A m N S

o t u - T e ( a s 1 r a o D a O o n n e i 1

l a s c n C

d y t m t s c c u 7 A R x l c i R t i u l O L h v t s i o i t , n o B e r d a i o o a r e r i I i n o

r n t o P t 2 i a o L i s w m r

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i D D D D D D D D D D D D D D D D D D D D D D o a a a a a a a a a a a a a a a a a a a a a a a a a a a n s M o a a a a a a a a a a a a l n n i i i i n n n n n n a a a e a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a n n n n n n n n t t t t t t t t g g g c g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g a a h h h h a a a a a a t t t t i i i i o o o u o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o SMD g g i i i i g g g g g g b b b b b b b b n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n o o l o o o o o o o o o o i i i i e i i i t i i i i i i i i i i i i i i i i i i t t t i i i i i i i i i i i i n n n n n n n n d d d d s s s o s s s s s s s s s s s s s s s s s s o o o s s s s s s s s s s s s

i i i i i i i i t t t y y y y t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t r r r r s s s s s s s s y t t t t t t t t p

e D i s c o y y n e e t s s i n u e d A F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F p D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D p F F F F A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A r D D D D / / / / / / / / o / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E A A A A v M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M e A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A d *

This article is Accepted Article Table 4 .

Comparison of SMDs and biologicals protected rights by All copyright. reserved. .

This article is Table S C I I I I I M T N O G T I I I I I I I I I I S T L L L L L L L L L L L L L g L i X S N o a X M ------4 - - e g E e 1 8 9 5 4 4 1 l r C 1 5 2 1 L 1 1 F R u 4 u l m g

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e z 5 5 u e r 9 l a m u m i 0 l l l i u t r 2 5 i i i n i i u u i c n 8 u i i 2 u n 9 l 9 k n 4 n n 2 n z 8 8 m a 0 8 z z z m m u 6 8 a m e m a a u u u m 3 m u r 6 5 z u u c u 1 u m p 2 ( m u a a b b m m e a m m a 8 8 m V m m 2 a m a a a b t 5 b m p b a / b 6 A b b e b a a a a a a a

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c t t t t t t t t O O O t t O t O t t t t O t t O t t t t t t O t O t t t t O t t O O current status h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h a P P P P P P P P P P P P m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m t D D D D D D D D D D D D i o a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a n s p p p p p M r r r r r o o o o o o t t t t t a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a r e e e e e l n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n e n n n e n n i i i i i n n n n n c t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t c t t i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i . i i i

i i u b b b b b b b b i i i b b i i b b b b b b b b b b b b b b b b b b b b b b b b b b

I n n n n n l L o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o e h h h h h 4 d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d T i i i i i R y y y y y y y y b b b y y b b y y y y y y y y y y y y y y y y y y y y y y y y y y y i i i i i p t t t t t o o o o o e r r r r r D i s c o y y y y y y y y y y y y y y y y y y y y y y y y n e e e e e e e e e e e e e e e e e e e e e e e e t s s s s s s s s s s s s s s s s s s s s s s s s i n u e d S t u P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P d h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h y a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a

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2 2 1 2 3 2 3 2 2 3 4 4 4 2 2 2 2 3 2 2 1 2 3 3 1 2 3 2 2 1 2 1 2 2 3 2 2 2 1 2 2 1 a s e

This article is Table M G M p P G 5 i c P P H M T C C C I I M M S T n L L - a I - D D B R Y C o a i A l 8 4 3 t K a A l s u e M u n S R l r i r E E X T R R T K I t u m g s p s P c a

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h h h g g g h h h h h h h h h n n h h a a c i i i i i i i a a a a a a a a a a a a a a a A n n n n i n n n n i i i o o o i i i i i i i i i t t u i i g g n g g g g g g g g g g g g g g g b b b b b b b b b b b b b z b a a s h h h h h h h n n n l o o h o o o o o o o o o o o o o o o i y i i i i i i i i i i i e e i i g g i i i i i i i t t t i i i t t t t t t t t t t t n n m b b b i b b b b n n n n n n n n n n n n n n n s s s o T o o o o o o o o o o o o o o b o o i i i i i i i i i t t t i i i i i i i i i i i i i i i r y r r r r r r r r r r r n n s s r t t t i t t t t r s s s s s s s s s s s s s s s e l t o o o o o o o t t i p i i t t t t t t t t t t t t t t t o g s s r r r r r r r e r t t o D i s c o y y y y y y y y y y y y y y y y y y y y y y y n e e e e e e e e e e e e e e e e e e e e e e e t s s s s s s s s s s s s s s s s s s s s s s s i n u e d e S a P t r u P P P P P h P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P l d y h h h h h a h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h

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This article is ∙ Righteconomic considerations ∙ Righttreatment ∙ Rightpatient ∙ Right safety ∙ Righttarget gains from integrated therapeutical strategies Table 7 ------Accepted Article Combining intracellular and extracellular targeting: mechanisms of synergy Identification of targets useful across Better deconvolution of human kinomefor SMDs COPD Target identification inhighlyheterogenous clinical entities: non Cost Cost effectiveness calculated asthesum of immediateand long Cost reductionreversal by glucocorticoidof resistance through SMDs Cost reduction by combined biological/SMD therapy through dose term diseaserisks and complications Biologicals’ highrestrict cost their usage; alternatively, costreduction may arise by reducing long Therapeutic potential SMDsof combinations and combinations of SMDs and biologic pregnancy, Safeand effective targeted treatmentsin vulnerable patient populations: i.e., children, Assess long Explore adequate targeted treatment algorithms and treatment duration with biologicals Biomarkers for SMDs: extend searchand validation beyond thoseused for stratifications in trials Complexity adequateof biomarker identification: includemulti Defining responsivepatients L Drug Optimized pharmacology to avoid off Target liability, , pharmacodynamics, genotoxicity ong .

Biologicals and SMDs in asthma and COPD: Common critical points, unmet needs and potential - - term safety risks blockingof pathways (e drug interactions indrug combination strategies

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