GINA DIFFICULT-TO-TREAT & SEVERE ASTHMA in Adolescent and Adult Patients Diagnosis and Management
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GLOBAL INITIATIVE FOR ASTHMA GINA DIFFICULT-TO-TREAT & SEVERE ASTHMA in adolescent and adult patients Diagnosis and Management A COPYRIGHTEDGINA Pocket MATERIAL- Guide DO NOT COPY OR DISTRIBUTE For Health Professionals V2.0 April 2019 © Global Initiative for Asthma, 2019 www.ginasthma.org GINA DIFFICULT-TO-TREAT & SEVERE ASTHMA in adolescent and adult patients Diagnosis and Management COPYRIGHTED MATERIAL- DO NOT COPY OR DISTRIBUTE A GINA Pocket Guide For Health Professionals V2.0 April 2019 © Global Initiative for Asthma, 2019 www.ginasthma.org Abbreviations used in this Pocket Guide Table of Contents +++, ++, +: Plus signs indicate the strength of an association Abbreviations used in this Pocket Guide ...................................................................2 ABPA: Allergic bronchopulmonary aspergillosis Goal of this Pocket Guide ...................................................................................... 4 AERD: Aspirin-exacerbated respiratory disease How to use this Pocket Guide ............................................................................... 5 ANCA: Antineutrophil cytoplasmic antibody Definitions: uncontrolled, difficult-to-treat and severe asthma ..................................6 BNP: B-type natriuretic peptide Prevalence: how many people have severe asthma? CBC: Complete blood count (also known as FBC, full blood count) Importance: the impact of severe asthma .................................................................7 COPD: Chronic obstructive pulmonary disease Severe asthma decision tree: diagnosis and management ......................................8 CRP: C-reactive protein Investigate and manage adult and adolescent patients with CT/HRCT: Computerized tomography; high resolution computerized tomography difficult-to-treat asthma CXR: Chest X-ray GP OR SPECIALIST CARE Decision Detail DPI: Dry powder inhaler Tree Pages DLCO: Diffusing capacity in the lung for carbon monoxide 1 Confirm the diagnosis (asthma or differential diagnoses) ............ 8 ....... 16 FeNO: Fraction of exhaled nitric oxide 2 Look for factors contributing to symptoms, exacerbations and poor quality of life ........................................... 8 ....... 17 FEV1: Forced expiratory volume in 1 second 3 Optimize management ................................................................. 8 ....... 18 FVC: Forced vital capacity 4 Review response after ~3-6 months ............................................. 9 ....... 19 GERD: Gastro-esophageal reflux disease GP: General practitioner; primary care physician ICS: Inhaled corticosteroids Assess and treat severe asthma phenotypes Ig: Immunoglobulin SPECIALIST CARE; SEVERE ASTHMA CLINIC IF AVAILABLE IL: Interleukin 5 Assess the severe asthma phenotype and factors contributing IM: Intramuscular to symptoms, quality of life and exacerbations ........................... 10 ....... 20 6a Consider non-biologic treatments .............................................. 11 ....... 22 IV: Intravenous 6b Consider add-on biologic Type 2 targeted treatments ................ 12 ....... 23 L : Check local eligibility criteria for specific biologic therapies as these may vary from those listedCOPYRIGHTED MATERIAL- DO NOT COPY OR DISTRIBUTE LABA: Long-acting beta2-agonist Monitor / Manage severe asthma treatment LM/LTRA: Leukotriene modifier/leukotriene receptor antagonist SPECIALIST AND PRIMARY CARE IN COLLABORATION NSAID: Non-steroidal anti-inflammatory drug 7 Review response ........................................................................ 14 ....... 28 OCS: Oral corticosteroids 8 Continue to optimize management as in section 3 ..................... 15 ....... 29 OSA: Obstructive sleep apnea pMDI: Pressurized metered dose inhaler Glossary of asthma medication classes ............................................................. 31 RCT: Randomized controlled trial Acknowledgements, GINA publications, other resources for severe asthma .........34 SABA: Short-acting beta2-agonists References ...............................................................................................................35 SC: Subcutaneous VCD: Vocal cord dysfunction (now part of inducible laryngeal obstruction) 2 Adolescents and adults with difficult-to-treat and severe asthma © GINA 2019 www.ginasthma.org Adolescents and adults with difficult-to-treat and severe asthma © GINA 2019 www.ginasthma.org 3 Goal of this Pocket Guide How to use this Pocket Guide The goal of this Pocket Guide is to provide a practical summary for health The Table of Contents (page 3) summarizes the overall steps involved in professionals about how to identify, assess and manage difficult-to-treat and assessing and treating an adult or adolescent who presents with difficult-to-treat severe asthma in adolescents and adults. It is intended for use by general asthma (see definitions on page 6). practitioners (GPs, primary care physicians), pulmonary specialists and other A clinical decision tree is found on pages 8 to 15, providing brief information health professionals involved in the management of people with asthma. about what should be considered in each phase. The decision tree is divided into More details and practical tools for asthma management in clinical practice, three broad areas: particularly for primary care, can be found in the GINA 2019 strategy report and • Sections 1-4 (green) are for use in primary care and/or specialist care appendix and the online GINA toolbox, available from www.ginasthma.org. • Sections 5-7 (blue) are mainly relevant to respiratory specialists How was the Pocket Guide developed? • Section 8 (brown) is about maintaining ongoing collaborative care between the The recommendations in this Pocket Guide were based on evidence where patient, GP, specialist and other health professionals good quality systematic reviews or randomized controlled trials or, lacking these, robust observational data, were available, and on consensus by expert clinicians Overall aim of Locus of care: the sections on Reminders about and researchers, where not. GP or specialist this double page ongoing issues Development of the Pocket Guide and decision tree included extensive collaboration with experts in human-centered design to enhance the utility GP OR SPECIALIST CARE of these resources for end-users. This means translating existing high level Investigate and manage adult and adolescent patients with diiculttoteat asthma flowcharts and text-based information to a more detailed visual format, and Consider referrin to secialist or severe astha clinic at an stae Consider referrin to secialist or severe astha clinic at an stae applying information architecture and diagramming principles. DIAGNOSIS: Difficult- 1 Conim the dianosis 3 Optimie management, 4 Review esponse to-treat asthadifferential includin ate ~36 months asthma dianoses • Astha education For adults and 2 Loo o actos • Otiie treatent e.. DIAGNOSIS: adolescents with contributin to stos Is asthma yes If not done b now check and correct inhaler Severe symptoms and/or eacerbations and oor techniue and adherence; still uncontrolled refer to a secialist exacerbations despite asthma ualit of life switch to ICSforoterol if ossible. Circles indicate GINA Step 4 aintenance and reliever treatment, or taking • Incorrect inhaler techniue thera if available maintenance OCS diagnosis • Subotial adherence • Treat coorbidities no This is intended as a practical guide for health and odifiable risk factors GINA Pocket Guide • Coorbidities includin obesit GERD chronic • Consider nonbioloic rhinosinusitis OSA addon thera e.. LABA tiotroiu Restore revious dose professionals about the assessment and management of difficult-to-treat • Modifiable risk factors and LMLTRA if not used triers at hoe or work Consider stein includin sokin environ • Consider nonharaco down treatent ental eosures alleren loical interventions e.. OCS first if used. and severe asthma. It does NOT contain all of the information required eosure if sensitied on sokin cessation skin rick testin or secific eercise weiht loss Does IE; edications such as ucus clearance asthma become ey betablockers and NSAIDs influena vaccination for managing asthma. The Pocket Guide should be used in conjunction uncontrolled when yes • Overuse of SABA relievers • Consider trial of hih dose treatment is stepped ICS if not used • Medication side effects down with the full GINA 2019 report. Health professionals should also use decision • Aniet deression and Key section of social difficulties filters no Diamonds indicate their own clinical judgment and take into account any local restrictions the decision intervention decision points COPYRIGHTED MATERIAL- DO NOT COPY OR DISTRIBUTE tree, numbered treatent Continue otiiin or payer requirements. GINA cannot be held liable or responsible for anaeent dianosis inappropriate healthcare associated with the use of this document, confiration Colored including any use which is not in accordance with applicable local or boxes indicate For more details à p.99 à p.99 à p.99 treatment national regulations or guidelines. Page number for more details More detailed information about each of the numbered sections of the decision tree follows on pages 16 to 30. Key references and additional resources are found at the end of the Pocket Guide, starting on page 31. 4 Adolescents and adults with difficult-to-treat and severe asthma © GINA 2019 www.ginasthma.org Adolescents and adults with difficult-to-treat and severe asthma © GINA 2019 www.ginasthma.org 5 Definitions: uncontrolled,