Doxycycline/Minocycline Step Therapy Criteria Program Summary
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The Role of Nanobiosensors in Therapeutic Drug Monitoring
Journal of Personalized Medicine Review Personalized Medicine for Antibiotics: The Role of Nanobiosensors in Therapeutic Drug Monitoring Vivian Garzón 1, Rosa-Helena Bustos 2 and Daniel G. Pinacho 2,* 1 PhD Biosciences Program, Universidad de La Sabana, Chía 140013, Colombia; [email protected] 2 Therapeutical Evidence Group, Clinical Pharmacology, Universidad de La Sabana, Chía 140013, Colombia; [email protected] * Correspondence: [email protected]; Tel.: +57-1-8615555 (ext. 23309) Received: 21 August 2020; Accepted: 7 September 2020; Published: 25 September 2020 Abstract: Due to the high bacterial resistance to antibiotics (AB), it has become necessary to adjust the dose aimed at personalized medicine by means of therapeutic drug monitoring (TDM). TDM is a fundamental tool for measuring the concentration of drugs that have a limited or highly toxic dose in different body fluids, such as blood, plasma, serum, and urine, among others. Using different techniques that allow for the pharmacokinetic (PK) and pharmacodynamic (PD) analysis of the drug, TDM can reduce the risks inherent in treatment. Among these techniques, nanotechnology focused on biosensors, which are relevant due to their versatility, sensitivity, specificity, and low cost. They provide results in real time, using an element for biological recognition coupled to a signal transducer. This review describes recent advances in the quantification of AB using biosensors with a focus on TDM as a fundamental aspect of personalized medicine. Keywords: biosensors; therapeutic drug monitoring (TDM), antibiotic; personalized medicine 1. Introduction The discovery of antibiotics (AB) ushered in a new era of progress in controlling bacterial infections in human health, agriculture, and livestock [1] However, the use of AB has been challenged due to the appearance of multi-resistant bacteria (MDR), which have increased significantly in recent years due to AB mismanagement and have become a global public health problem [2]. -
National Antibiotic Consumption for Human Use in Sierra Leone (2017–2019): a Cross-Sectional Study
Tropical Medicine and Infectious Disease Article National Antibiotic Consumption for Human Use in Sierra Leone (2017–2019): A Cross-Sectional Study Joseph Sam Kanu 1,2,* , Mohammed Khogali 3, Katrina Hann 4 , Wenjing Tao 5, Shuwary Barlatt 6,7, James Komeh 6, Joy Johnson 6, Mohamed Sesay 6, Mohamed Alex Vandi 8, Hannock Tweya 9, Collins Timire 10, Onome Thomas Abiri 6,11 , Fawzi Thomas 6, Ahmed Sankoh-Hughes 12, Bailah Molleh 4, Anna Maruta 13 and Anthony D. Harries 10,14 1 National Disease Surveillance Programme, Sierra Leone National Public Health Emergency Operations Centre, Ministry of Health and Sanitation, Cockerill, Wilkinson Road, Freetown, Sierra Leone 2 Department of Community Health, Faculty of Clinical Sciences, College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown, Sierra Leone 3 Special Programme for Research and Training in Tropical Diseases (TDR), World Health Organization, 1211 Geneva, Switzerland; [email protected] 4 Sustainable Health Systems, Freetown, Sierra Leone; [email protected] (K.H.); [email protected] (B.M.) 5 Unit for Antibiotics and Infection Control, Public Health Agency of Sweden, Folkhalsomyndigheten, SE-171 82 Stockholm, Sweden; [email protected] 6 Pharmacy Board of Sierra Leone, Central Medical Stores, New England Ville, Freetown, Sierra Leone; [email protected] (S.B.); [email protected] (J.K.); [email protected] (J.J.); [email protected] (M.S.); [email protected] (O.T.A.); [email protected] (F.T.) Citation: Kanu, J.S.; Khogali, M.; 7 Department of Pharmaceutics and Clinical Pharmacy & Therapeutics, Faculty of Pharmaceutical Sciences, Hann, K.; Tao, W.; Barlatt, S.; Komeh, College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown 0000, Sierra Leone 8 J.; Johnson, J.; Sesay, M.; Vandi, M.A.; Directorate of Health Security & Emergencies, Ministry of Health and Sanitation, Sierra Leone National Tweya, H.; et al. -
Folic Acid Antagonists: Antimicrobial and Immunomodulating Mechanisms and Applications
International Journal of Molecular Sciences Review Folic Acid Antagonists: Antimicrobial and Immunomodulating Mechanisms and Applications Daniel Fernández-Villa 1, Maria Rosa Aguilar 1,2 and Luis Rojo 1,2,* 1 Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas, CSIC, 28006 Madrid, Spain; [email protected] (D.F.-V.); [email protected] (M.R.A.) 2 Consorcio Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, 28029 Madrid, Spain * Correspondence: [email protected]; Tel.: +34-915-622-900 Received: 18 September 2019; Accepted: 7 October 2019; Published: 9 October 2019 Abstract: Bacterial, protozoan and other microbial infections share an accelerated metabolic rate. In order to ensure a proper functioning of cell replication and proteins and nucleic acids synthesis processes, folate metabolism rate is also increased in these cases. For this reason, folic acid antagonists have been used since their discovery to treat different kinds of microbial infections, taking advantage of this metabolic difference when compared with human cells. However, resistances to these compounds have emerged since then and only combined therapies are currently used in clinic. In addition, some of these compounds have been found to have an immunomodulatory behavior that allows clinicians using them as anti-inflammatory or immunosuppressive drugs. Therefore, the aim of this review is to provide an updated state-of-the-art on the use of antifolates as antibacterial and immunomodulating agents in the clinical setting, as well as to present their action mechanisms and currently investigated biomedical applications. Keywords: folic acid antagonists; antifolates; antibiotics; antibacterials; immunomodulation; sulfonamides; antimalarial 1. -
Sexually Transmitted Diseases Treatment Options
Sexually transmitted disease (STD) treatment options PREFERRED & ALTERNATIVE OPTIONS Many clinical partners are operating in a limited capacity during the COVID-19 pandemic. Below are preferred (in clinic or other location where injections can be given) and alternative (when only oral medicines are available 1) treatments for STDs. Syndrome Preferred Treatments Alternative Treatments Follow-up Male urethritis syndrome Ceftriaxone 250mg intramuscular (IM) x 1 PLUS Men who have sex with men (MSM) and transgender women2: Patients should be counseled to azithromycin 1g PO x 1 Cefixime 800 mg PO x 1 PLUS doxycycline 100 mg PO BID x 7 days be tested for STDs once clinical Presumptively treating: care is resumed in the local If azithromycin is not available: doxycycline 100 Men who have sex with women only: gonorrhea clinics. Clients who have been mg PO BID for 7 days (except in pregnancy3) Cefixime 800mg PO x 1 PLUS azithromycin 1g PO x 1 referred for oral treatment If cephalosporin allergy5 is reported, gentamicin If cefixime is unavailable, substitute cefpodoxime 400mg PO q12h should return for 240mg IM x 1 PLUS azithromycin 2g PO x 1 x 2 for cefixime in above regimens4 comprehensive testing and screening and linked to services If oral cephalosporin not available or history of cephalosporin at that time. allergy5: azithromycin 2g PO x 1 If azithromycin is not available: doxycycline 100 mg PO BID for 7 days (except in pregnancy3) Patients should be advised to abstain from sex for 7 days Treatment typically guided by examination and For presumptive therapy when examination and laboratory following completion of Vaginal discharge syndrome treatment. -
Efficacy of Sulphadoxine and Pyrimethamine, Doxycycline and Their Combination in the Treatment of Chloroquine Resistant Falciparum Malaria
Efficacy of Sulphadoxine and Pyrimethamine, Doxycycline and their combination in the treatment of chloroquine resistant Falciparum Malaria Habab K. Elkheir, MPhar, El-Fatih I. Elkarim, MPhar, PhD, Idris B. Eltayeb, MPhar, PhD, Abd E. ElKadaru, MBBS, MD, Hamza A. Babiker, MSc, PhD, Adil M. Ibrahim, PhD, MIBiol. ABSTRACT Objective: The present in vivo study evaluates the 1996-1998. The study demonstrated that only 46% and efficacy of sulphadoxine/pyrimethamine, doxycycline and 78% of the patients were cured after 4 days of treatment their combination in the treatment of Sudanese patients by doxycycline and sulphadoxine/pyrimethamine. Patients infected by chloroquine resistant falciparum malaria. treated with sulphadoxine/pyrimethamine in combination Methods: Febrile patients with positive blood smears of with doxycycline had a cure rate of 90% and 100% after Plasmodium falciparum were given chloroquine 25mg- 3-4 days of treatment, a single recrudescent case was base/kg body weight and followed up for 3 days. Patients detected on day 6. No relapses occurred during the follow with recrudescence due to chloroquine resistance were up period. All patients were successfully treated by all readmitted for test treatment. Using simple number regimens with the exception of one case treated by randomization patients were divided into groups, A, B and doxycycline. All treatments were well tolerated but a few C. These were treated with doxycycline, sulphadoxine/ cases had complaints of nausea. pyrimethamine and a combination therapy of sulphadoxine/pyrimethamine plus doxycycline. Doxycycline was initially administered as a single dose of Conclusion: The combination therapy of doxycycline/ 200mg followed by 100mg daily for 6 days whereas sulphadoxine/pyrimethamine appeared to be significantly sulphadoxine/pyrimethamine was given as a single dose of effective in the treatment of patients with chloroquine sulphadoxine 1500mg and pyrimethamine 75mg. -
Hydroxychloroquine Or Chloroquine for Treating Coronavirus Disease 2019 (COVID-19) – a PROTOCOL for a Systematic Review of Individual Participant Data
Hydroxychloroquine or Chloroquine for treating Coronavirus Disease 2019 (COVID-19) – a PROTOCOL for a systematic review of Individual Participant Data Authors Fontes LE, Riera R, Miranda E, Oke J, Heneghan CJ, Aronson JK, Pacheco RL, Martimbianco ALC, Nunan D BACKGROUND In the face of the pandemic of SARS CoV2, urgent research is needed to test potential therapeutic agents against the disease. Reliable research shall inform clinical decision makers. Currently, there are several studies testing the efficacy and safety profiles of different pharmacological interventions. Among these drugs, we can cite antimalarial, antivirals, biological drugs, interferon, etc. As of 6 April 2020 there are three published reportsand 100 ongoing trials testing hydroxychloroquine/chloroquine alone or in association with other drugs for COVID-19. This prospective systematic review with Individual Participant data aims to assess the rigour of the best-available evidence for hydroxychloroquine or chloroquine as treatment for COVID-19 infection. The PICO framework is: P: adults with COVID-19 infection I: chloroquine or hydroxychloroquine (alone or in association) C: placebo, other active treatments, usual standard care without antimalarials O: efficacy and safety outcomes OBJECTIVES To assess the effects (benefits and harms) of chloroquine or hydroxychloroquine for the treatment of COVID-19 infection. METHODS Criteria for considering studies for this review Types of studies We shall include randomized controlled trials (RCTs) with a parallel design. We intend to include even small trials (<50 participants), facing the urgent need for evidence to respond to the current pandemic. Quasi-randomized, non-randomized, or observational studies will be excluded due to a higher risk of confounding and selection bias (1). -
The End of a Dogma: the Safety of Doxycycline Use in Young Children for Malaria Treatment
Gaillard et al. Malar J (2017) 16:148 DOI 10.1186/s12936-017-1797-9 Malaria Journal REVIEW Open Access The end of a dogma: the safety of doxycycline use in young children for malaria treatment Tiphaine Gaillard1, Sébastien Briolant2,3, Marylin Madamet2,3,4 and Bruno Pradines2,3,4* Abstract Anti-malarial drug resistance to chloroquine and sulfadoxine–pyrimethamine has spread from Southeast Asia to Africa. Furthermore, the recent emergence of resistance to artemisinin-based combination therapy (ACT) in South- east Asia highlights the need to identify new anti-malarial drugs. Doxycycline is recommended for malaria chemo- prophylaxis for travel in endemic areas, or in combination with the use of quinine for malaria treatment when ACT is unavailable or when the treatment of severe malaria with artesunate fails. However, doxycycline is not used in young children under 8 years of age due to its contraindication due to the risk of yellow tooth discolouration and dental enamel hypoplasia. Doxycycline was developed after tetracycline and was labelled with the same side-efects as the earlier tetracyclines. However, recent studies report little or no efects of doxycycline on tooth staining or dental enamel hypoplasia in children under 8 years of age. In the United States, the Centers for Disease Control and Pre- vention have recommended the use of doxycycline for the treatment of acute and chronic Q fever and tick-borne rickettsial diseases in young children. It is time to rehabilitate doxycycline and to recommend it for malaria treatment in children under 8 years of age. Keywords: Antibiotics, Doxycycline, Malaria, Plasmodium falciparum, Anti-malarial drug, Resistance, Prophylaxis, Treatment, Children Background were estimated to have occurred in children aged under According to the latest World Health Organization 5 years, which is equivalent to 70% of the global total. -
Malarial Dihydrofolate Reductase As a Paradigm for Drug Development Against a Resistance-Compromised Target
Malarial dihydrofolate reductase as a paradigm for drug development against a resistance-compromised target Yongyuth Yuthavonga,1, Bongkoch Tarnchompooa, Tirayut Vilaivanb, Penchit Chitnumsuba, Sumalee Kamchonwongpaisana, Susan A. Charmanc, Danielle N. McLennanc, Karen L. Whitec, Livia Vivasd, Emily Bongardd, Chawanee Thongphanchanga, Supannee Taweechaia, Jarunee Vanichtanankula, Roonglawan Rattanajaka, Uthai Arwona, Pascal Fantauzzie, Jirundon Yuvaniyamaf, William N. Charmanc, and David Matthewse aBIOTEC, National Science and Technology Development Agency, Thailand Science Park, Pathumthani 12120, Thailand; bDepartment of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; cMonash Institute of Pharmaceutical Sciences, Monash University, Parkville 3052, Australia; dLondon School of Hygiene and Tropical Medicine, University of London, London WC1E 7HT, England; eMedicines for Malaria Venture, 1215 Geneva, Switzerland; and fDepartment of Biochemistry and Center for Excellence in Protein Structure and Function, Faculty of Science, Mahidol University, Bangkok 10400, Thailand Edited by Wim Hol, University of Washington, Seattle, WA, and accepted by the Editorial Board September 8, 2012 (received for review March 16, 2012) Malarial dihydrofolate reductase (DHFR) is the target of antifolate target is P. falciparum dihydrofolate reductase (DHFR), which is antimalarial drugs such as pyrimethamine and cycloguanil, the inhibited by the antimalarials PYR and cycloguanil (CG) (Fig. 1). clinical efficacy of which have been -
Estonian Statistics on Medicines 2016 1/41
Estonian Statistics on Medicines 2016 ATC code ATC group / Active substance (rout of admin.) Quantity sold Unit DDD Unit DDD/1000/ day A ALIMENTARY TRACT AND METABOLISM 167,8985 A01 STOMATOLOGICAL PREPARATIONS 0,0738 A01A STOMATOLOGICAL PREPARATIONS 0,0738 A01AB Antiinfectives and antiseptics for local oral treatment 0,0738 A01AB09 Miconazole (O) 7088 g 0,2 g 0,0738 A01AB12 Hexetidine (O) 1951200 ml A01AB81 Neomycin+ Benzocaine (dental) 30200 pieces A01AB82 Demeclocycline+ Triamcinolone (dental) 680 g A01AC Corticosteroids for local oral treatment A01AC81 Dexamethasone+ Thymol (dental) 3094 ml A01AD Other agents for local oral treatment A01AD80 Lidocaine+ Cetylpyridinium chloride (gingival) 227150 g A01AD81 Lidocaine+ Cetrimide (O) 30900 g A01AD82 Choline salicylate (O) 864720 pieces A01AD83 Lidocaine+ Chamomille extract (O) 370080 g A01AD90 Lidocaine+ Paraformaldehyde (dental) 405 g A02 DRUGS FOR ACID RELATED DISORDERS 47,1312 A02A ANTACIDS 1,0133 Combinations and complexes of aluminium, calcium and A02AD 1,0133 magnesium compounds A02AD81 Aluminium hydroxide+ Magnesium hydroxide (O) 811120 pieces 10 pieces 0,1689 A02AD81 Aluminium hydroxide+ Magnesium hydroxide (O) 3101974 ml 50 ml 0,1292 A02AD83 Calcium carbonate+ Magnesium carbonate (O) 3434232 pieces 10 pieces 0,7152 DRUGS FOR PEPTIC ULCER AND GASTRO- A02B 46,1179 OESOPHAGEAL REFLUX DISEASE (GORD) A02BA H2-receptor antagonists 2,3855 A02BA02 Ranitidine (O) 340327,5 g 0,3 g 2,3624 A02BA02 Ranitidine (P) 3318,25 g 0,3 g 0,0230 A02BC Proton pump inhibitors 43,7324 A02BC01 Omeprazole -
Evidence of Pyrimethamine and Cycloguanil Analogues As Dual Inhibitors of Trypanosoma Brucei Pteridine Reductase and Dihydrofolate Reductase
pharmaceuticals Article Evidence of Pyrimethamine and Cycloguanil Analogues as Dual Inhibitors of Trypanosoma brucei Pteridine Reductase and Dihydrofolate Reductase Giusy Tassone 1,† , Giacomo Landi 1,†, Pasquale Linciano 2,† , Valeria Francesconi 3 , Michele Tonelli 3 , Lorenzo Tagliazucchi 2 , Maria Paola Costi 2 , Stefano Mangani 1 and Cecilia Pozzi 1,* 1 Department of Biotechnology, Chemistry and Pharmacy, Department of Excellence 2018–2022, University of Siena, via Aldo Moro 2, 53100 Siena, Italy; [email protected] (G.T.); [email protected] (G.L.); [email protected] (S.M.) 2 Department of Life Science, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy; [email protected] (P.L.); [email protected] (L.T.); [email protected] (M.P.C.) 3 Department of Pharmacy, University of Genoa, Viale Benedetto XV n.3, 16132 Genoa, Italy; [email protected] (V.F.); [email protected] (M.T.) * Correspondence: [email protected]; Tel.: +39-0577-232132 † These authors contributed equally to this work. Abstract: Trypanosoma and Leishmania parasites are the etiological agents of various threatening Citation: Tassone, G.; Landi, G.; neglected tropical diseases (NTDs), including human African trypanosomiasis (HAT), Chagas disease, Linciano, P.; Francesconi, V.; Tonelli, and various types of leishmaniasis. Recently, meaningful progresses in the treatment of HAT, due to M.; Tagliazucchi, L.; Costi, M.P.; Trypanosoma brucei (Tb), have been achieved by the introduction of fexinidazole and the combination Mangani, S.; Pozzi, C. Evidence of therapy eflornithine–nifurtimox. Nevertheless, due to drug resistance issues and the exitance of Pyrimethamine and Cycloguanil animal reservoirs, the development of new NTD treatments is still required. -
Third ESVAC Report
Sales of veterinary antimicrobial agents in 25 EU/EEA countries in 2011 Third ESVAC report An agency of the European Union The mission of the European Medicines Agency is to foster scientific excellence in the evaluation and supervision of medicines, for the benefit of public and animal health. Legal role Guiding principles The European Medicines Agency is the European Union • We are strongly committed to public and animal (EU) body responsible for coordinating the existing health. scientific resources put at its disposal by Member States • We make independent recommendations based on for the evaluation, supervision and pharmacovigilance scientific evidence, using state-of-the-art knowledge of medicinal products. and expertise in our field. • We support research and innovation to stimulate the The Agency provides the Member States and the development of better medicines. institutions of the EU the best-possible scientific advice on any question relating to the evaluation of the quality, • We value the contribution of our partners and stake- safety and efficacy of medicinal products for human or holders to our work. veterinary use referred to it in accordance with the • We assure continual improvement of our processes provisions of EU legislation relating to medicinal prod- and procedures, in accordance with recognised quality ucts. standards. • We adhere to high standards of professional and Principal activities personal integrity. Working with the Member States and the European • We communicate in an open, transparent manner Commission as partners in a European medicines with all of our partners, stakeholders and colleagues. network, the European Medicines Agency: • We promote the well-being, motivation and ongoing professional development of every member of the • provides independent, science-based recommenda- Agency. -
Doxycycline Hyclate) Capsule, Delayed Release Pellets
Doryx (doxycycline hyclate) Capsule, Delayed Release Pellets To reduce the development of drug-resistant bacteria and maintain the effectiveness of DORYX® and other antibacterial drugs, DORYX should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. DESCRIPTION DORYX Capsules contain specially coated pellets of doxycycline hyclate, a broad- spectrum antibiotic synthetically derived from oxytetracycline, in a delayed-release formulation for oral administration. The structural formula for doxycycline hyclate is with a molecular formula of C22H24N2O8, HCl, ½ C2H6O, ½ H2O and a molecular weight of 512.9. The chemical designation for doxycycline hyclate is [4S (4aR, 5S, 5aR, 6R, 12aS)]-4-(dimethylamino)-1,4,4a, 5,5a, 6, 11,12a-octahydro-3, 5,10,12,12a- pentahydroxy-6-methyl-1, 11-deoxonapthtacene-2-carboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. Doxycycline hyclate is a yellow crystalline powder soluble in water and in solutions of alkali hydroxides and carbonates. Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Inert ingredients in the capsule formulation are: lactose; microcrystalline cellulose; povidone; starch wheat; magnesium stearate; cellulosic polymer coating. The capsule shell and/or band contains FD and C blue No.1; FD and C yellow No. 6; D and C yellow No.10; gelatin, silicon dioxide; sodium lauryl sulfate; titanium dioxide. CLINICAL PHARMACOLOGY Tetracyclines are readily absorbed and are bound to plasma proteins in varying degree. They are concentrated by the liver in the bile and excreted in the urine and feces at high concentrations and in a biologically active form.