Article ; Online: Deaths induced by compassionate use of hydroxychloroquine during the first COVID-19 wave: an estimate.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
2024 Volume 171, Page(s) 116055
Abstract: Background: During the first wave of COVID-19, hydroxychloroquine (HCQ) was used off-label despite the absence of evidence documenting its clinical benefits. Since then, a meta-analysis of randomised trials showed that HCQ use was associated with an 11% ...
| Abstract | Background: During the first wave of COVID-19, hydroxychloroquine (HCQ) was used off-label despite the absence of evidence documenting its clinical benefits. Since then, a meta-analysis of randomised trials showed that HCQ use was associated with an 11% increase in the mortality rate. We aimed to estimate the number of HCQ-related deaths worldwide. Methods and findings: We estimated the worldwide in-hospital mortality attributable to HCQ use by combining the mortality rate, HCQ exposure, number of hospitalised patients, and the increased relative risk of death with HCQ. The mortality rate in hospitalised patients for each country was calculated using pooled prevalence estimated by a meta-analysis of published cohorts. The HCQ exposure was estimated using median and extreme estimates from the same systematic review. The number of hospitalised patients during the first wave was extracted from dedicated databases. The systematic review included 44 cohort studies (Belgium: k = 1, France: k = 2, Italy: k = 12, Spain: k = 6, Turkey: k = 3, USA: k = 20). HCQ prescription rates varied greatly from one country to another (range 16-84%). Overall, using median estimates of HCQ use in each country, we estimated that 16,990 HCQ-related in-hospital deaths (range 6267-19256) occurred in the countries with available data. The median number of HCQ-related deaths in Belgium, Turkey, France, Italy, Spain, and the USA was 240 (range not estimable), 95 (range 92-128), 199 (range not estimable), 1822 (range 1170-2063), 1895 (range 1475-2094) and 12739 (3244- 15570), respectively. Conclusions: Although our estimates are limited by their imprecision, these findings illustrate the hazard of drug repurposing with low-level evidence. |
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| MeSH term(s) | Humans ; Hydroxychloroquine ; COVID-19 ; Compassionate Use Trials ; COVID-19 Drug Treatment ; Treatment Outcome |
| Chemical Substances | Hydroxychloroquine (4QWG6N8QKH) |
| Language | English |
| Publishing date | 2024-01-02 |
| Publishing country | France |
| Document type | Meta-Analysis ; Journal Article |
| ZDB-ID | 392415-4 |
| ISSN | 1950-6007 ; 0753-3322 ; 0300-0893 |
| ISSN (online) | 1950-6007 |
| ISSN | 0753-3322 ; 0300-0893 |
| DOI | 10.1016/j.biopha.2023.116055 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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