Drug repositioning in the COVID-19 pandemic : fundamentals, synthetic routes, and overview of clinical studies

© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..

INTRODUCTION: Drug repositioning is a strategy to identify a new therapeutic indication for molecules that have been approved for other conditions, aiming to speed up the traditional drug development process and reduce its costs. The high prevalence and incidence of coronavirus disease 2019 (COVID-19) underline the importance of searching for a safe and effective treatment for the disease, and drug repositioning is the most rational strategy to achieve this goal in a short period of time. Another advantage of repositioning is the fact that these compounds already have established synthetic routes, which facilitates their production at the industrial level. However, the hope for treatment cannot allow the indiscriminate use of medicines without a scientific basis.

RESULTS: The main small molecules in clinical trials being studied to be potentially repositioned to treat COVID-19 are chloroquine, hydroxychloroquine, ivermectin, favipiravir, colchicine, remdesivir, dexamethasone, nitazoxanide, azithromycin, camostat, methylprednisolone, and baricitinib. In the context of clinical tests, in general, they were carried out under the supervision of large consortiums with a methodology based on and recognized in the scientific community, factors that ensure the reliability of the data collected. From the synthetic perspective, compounds with less structural complexity have more simplified synthetic routes. Stereochemical complexity still represents the major challenge in the preparation of dexamethasone, ivermectin, and azithromycin, for instance.

CONCLUSION: Remdesivir and baricitinib were approved for the treatment of hospitalized patients with severe COVID-19. Dexamethasone and methylprednisolone should be used with caution. Hydroxychloroquine, chloroquine, ivermectin, and azithromycin are ineffective for the treatment of the disease, and the other compounds presented uncertain results. Preclinical and clinical studies should not be analyzed alone, and their methodology's accuracy should also be considered. Regulatory agencies are responsible for analyzing the efficacy and safety of a treatment and must be respected as the competent authorities for this decision, avoiding the indiscriminate use of medicines.

Errataetall:

CommentIn: Eur J Clin Pharmacol. 2023 Aug;79(8):1143-1144. - PMID 37294339

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:79

Enthalten in:

European journal of clinical pharmacology - 79(2023), 6 vom: 21. Juni, Seite 723-751

Sprache:

Englisch

Beteiligte Personen:

Vaz, Elisa Souza [VerfasserIn]
Vassiliades, Sandra Valeria [VerfasserIn]
Giarolla, Jeanine [VerfasserIn]
Polli, Michelle Carneiro [VerfasserIn]
Parise-Filho, Roberto [VerfasserIn]

Links:

Volltext

Themen:

4QWG6N8QKH
70288-86-7
7S5I7G3JQL
83905-01-5
886U3H6UFF
Antiviral Agents
Azithromycin
Baricitinib
Chloroquine
Coronavirus
Dexamethasone
Hydroxychloroquine
ISP4442I3Y
Ivermectin
Journal Article
Methylprednisolone
Pandemic
Repurposing
Review
SARS-CoV-2
Small molecules
Treatment
X4W7ZR7023

Anmerkungen:

Date Completed 01.06.2023

Date Revised 14.12.2023

published: Print-Electronic

CommentIn: Eur J Clin Pharmacol. 2023 Aug;79(8):1143-1144. - PMID 37294339

Citation Status MEDLINE

doi:

10.1007/s00228-023-03486-4

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM355849232