Covid19db – An online database of trials of medicinal products to prevent or treat COVID-19, with a specific focus on drug repurposing
Abstract
Background
The global pandemic caused by SARS-CoV-2 virus has prompted an unprecedented international effort to seek medicines for prevention and treatment of infection. Drug repurposing has played a key part in this response. The rapid increase in trial activity has raised questions about efficiency and lack of coordination. Our objective was to develop a user-friendly, open access database to monitor and rapidly identify trials of medicinal products.
Methods
Using the US clinicaltrials.gov (NCT) registry, the EU Clinical Trials Register (EUCTR) and the WHO International Clinical Trials Registry Platform (WHO ICTRP), we identified all COVID-19 trials of medicinal products. Trials that were out of scope and duplicates were excluded. A manual encoding was performed to ascertain key information (e.g. trial aim, type of intervention etc). The database, Covid19db, is published online at: <ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.redo-project.org/covid19db/">http://www.redo-project.org/covid19db/</ext-link> .
Results
Descriptive statistics of the database from April 4th 2020 through to August 18th show an increase from 186 to 1618 trials, or an average of 10.5 new trials registered per day. Over this period, the proportion of trials including a repurposing arm decreased slightly (from a maximum of 75% to 64% at the end of the covered period) as did the proportion of trials aiming to prevent infection (from a maximum of 16% to 13%). The most popular trial intervention is hydroxychloroquine (212 trials), followed by azithromycin (64 trials), tocilizumab, favipiravir and chloroquine (145 trials). Total planned enrolment is 1064556 participants as of 18 th August 2020.
Conclusions
we have developed an open access and regularly updated tool to monitor clinical trials of medicinal products to prevent or treat infection by SARS-CoV-2 globally. Our analysis shows a high number of ‘me-too’ trials, in particular for some repurposed drugs, such as hydroxychloroquine, azithromycin and tocilizumab, substantiating calls for better coordination and better use of trial resources.
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