Article ; Online: Leflunomide treatment for patients hospitalised with COVID-19
BMJ Open, Vol 13, Iss
DEFEAT-COVID randomised controlled trial
2023 Volume 4
Abstract: Objective To evaluate the clinical efficacy and safety of leflunomide (L) added to the standard-of-care (SOC) treatment in COVID-19 patients hospitalised with moderate/critical clinical symptoms.Design Prospective, open-label, multicentre, stratified, ... ...
| Abstract | Objective To evaluate the clinical efficacy and safety of leflunomide (L) added to the standard-of-care (SOC) treatment in COVID-19 patients hospitalised with moderate/critical clinical symptoms.Design Prospective, open-label, multicentre, stratified, randomised clinical trial.Setting Five hospitals in UK and India, from September 2020 to May 2021.Participants Adults with PCR confirmed COVID-19 infection with moderate/critical symptoms within 15 days of onset.Intervention Leflunomide 100 mg/day (3 days) followed by 10–20 mg/day (7 days) added to standard care.Primary outcomes The time to clinical improvement (TTCI) defined as two-point reduction on a clinical status scale or live discharge prior to 28 days; safety profile measured by the incidence of adverse events (AEs) within 28 days.Results Eligible patients (n=214; age 56.3±14.9 years; 33% female) were randomised to SOC+L (n=104) and SOC group (n=110), stratified according to their clinical risk profile. TTCI was 7 vs 8 days in SOC+L vs SOC group (HR 1.317; 95% CI 0.980 to 1.768; p=0.070). Incidence of serious AEs was similar between the groups and none was attributed to leflunomide. In sensitivity analyses, excluding 10 patients not fulfilling the inclusion criteria and 3 who withdrew consent before leflunomide treatment, TTCI was 7 vs 8 days (HR 1.416, 95% CI 1.041 to 1.935; p=0.028), indicating a trend in favour of the intervention group. All-cause mortality rate was similar between groups, 9/104 vs 10/110. Duration of oxygen dependence was shorter in the SOC+L group being a median 6 days (IQR 4–8) compared with 7 days (IQR 5–10) in SOC group (p=0.047).Conclusion Leflunomide, added to the SOC treatment for COVID-19, was safe and well tolerated but had no major impact on clinical outcomes. It may shorten the time of oxygen dependence by 1 day and thereby improve TTCI/hospital discharge in moderately affected COVID-19 patients.Trial registration numbers EudraCT Number: 2020-002952-18, NCT05007678. |
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| Keywords | Medicine ; R |
| Subject code | 610 |
| Language | English |
| Publishing date | 2023-04-01T00:00:00Z |
| Publisher | BMJ Publishing Group |
| Document type | Article ; Online |
| Database | BASE - Bielefeld Academic Search Engine (life sciences selection) |
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