5 October 2021 - Late treatment study
Various Combinations of Favipiravir, Lopinavir-Ritonavir, Darunavir-Ritonavir, High-Dose Oseltamivir, and Hydroxychloroquine for the Treatment of COVID-19: A Randomized Controlled Trial (FIGHT-COVID-19 Study)
et al., SSRN Electronic Journal, doi:10.2139/ssrn.3936499 (Peer Reviewed)
RCT 320 patients in Thailand, showing significantly lower progression with HCQ for moderate/severe patients, and faster viral clearance with mild patients (statistically significant for 800mg). There are two sets of results - for moderate/severe patients, and for mild patients. There was no mortality for mild patients. NCT04303299.
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risk of death, 56.2% lower, RR 0.44, p = 0.07, treatment 7 of 100 (7.0%), control 16 of 100 (16.0%), NNT 11, moderate/severe, HCQ arms vs. non-HCQ arms.
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risk of progression, 54.2% lower, RR 0.46, p = 0.02, treatment 11 of 100 (11.0%), control 24 of 100 (24.0%), NNT 7.7, moderate/severe, HCQ arms vs. non-HCQ arms.
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time to viral-, 7.1% lower, relative time 0.93, p = 0.51, treatment mean 10.4 (±6.3) n=50, control mean 11.2 (±5.7) n=50, moderate/severe, oseltamivir arms.
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time to viral-, 6.9% lower, relative time 0.93, p = 0.47, treatment mean 9.5 (±5.0) n=50, control mean 10.2 (±4.6) n=50, moderate/severe, favipiravir arms.
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risk of progression, 150.0% higher, RR 2.50, p = 1.00, treatment 1 of 60 (1.7%), control 0 of 30 (0.0%), continuity correction due to zero event (with reciprocal of the contrasting arm), mild.
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time to viral-, 43.3% lower, relative time 0.57, p = 0.04, treatment mean 8.9 (±6.0) n=30, control mean 15.7 (±16.7) n=30, mild, HCQ 800.
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time to viral-, 36.3% lower, relative time 0.64, p = 0.09, treatment mean 10.0 (±6.9) n=30, control mean 15.7 (±16.7) n=30, mild, HCQ 400.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. |
Atipornwanich et al., 10/5/2021, Randomized Controlled Trial, Thailand, South Asia, peer-reviewed, 16 authors, dosage 400mg days 1-14, 800mg/day or 400mg/day, this trial compares with another treatment - results may be better when compared to placebo, this trial uses multiple treatments in the treatment arm (combined with oseltamivir/favipiravir and duranivir/ritonavir for moderate/severe, oseltamivir and duranivir/ritonavir for mild) - results of individual treatments may vary.
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