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Approval delays in multi-country COVID-19 trials: the case of COPCOV and the risk of therapeutic inertia

Abstract:

Background: Many multi-country COVID-19 clinical trials, including those for widely available repurposed drugs with strong safety profiles, were conceptualised quickly but were unable to influence clinical treatment guidelines. The Chloroquine/Hydroxychloroquine for the Prevention of COVID-19 (COPCOV) trial, a large multi-country clinical trial sponsored by the University of Oxford, sought to determine the efficacy of hydroxychloroquine and chloroquine as a prophylaxis for COVID-19 but faced ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1186/s13063-025-09300-z

Authors

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Institution:
University of Oxford
Role:
Author
ORCID:
0000-0002-3450-7673
More by this author
Institution:
University of Oxford
Role:
Author


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Funder identifier:
https://ror.org/029chgv08


Publisher:
BioMed Central
Journal:
Trials More from this journal
Volume:
27
Issue:
1
Article number:
58
Publication date:
2025-12-16
Acceptance date:
2025-11-12
DOI:
EISSN:
1745-6215
ISSN:
1745-6215


Language:
English
Keywords:
Pubs id:
2354376
UUID:
uuid_ca78eb87-0997-4c97-9fdf-35d6989b5ecb
Local pid:
pubs:2354376
Source identifiers:
3681213
Deposit date:
2026-01-21
ARK identifier:
This ORA record was generated from metadata provided by an external service. It has not been edited by the ORA Team.

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