Sofosbuvir and daclatasvir for the treatment of COVID-19 outpatients: a double-blind, randomized controlled trial.

Effective treatments are urgently needed to tackle the novel coronavirus disease 2019 (COVID-19). This trial aims to evaluate sofosbuvir and daclatasvir versus standard care for outpatients with mild COVID-19 infection. This was a randomized controlled clinical trial in outpatients with mild COVID-19. Patients were randomized into a treatment arm receiving sofosbuvir/daclatasvir plus hydroxychloroquine or a control arm receiving hydroxychloroquine alone. The primary endpoint of the trial was symptom alleviation after 7 days of follow-up. The secondary endpoint of the trial was hospital admission. Fatigue, dyspnoea and loss of appetite were investigated after 1 month of follow-up. This study is registered with the IRCT.ir under registration number IRCT20200403046926N1. Between 8 April 2020 and 19 May 2020, 55 patients were recruited and allocated to either the sofosbuvir/daclatasvir treatment arm (n = 27) or the control arm (n = 28). Baseline characteristics were similar across treatment arms. There was no significant difference in symptoms at Day 7. One patient was admitted to hospital in the sofosbuvir/daclatasvir arm and four in the control arm, but the difference was not significant. After 1 month of follow-up, two patients reported fatigue in the sofosbuvir/daclatasvir arm and 16 in the control arm; P < 0.001. In this study, sofosbuvir/daclatasvir did not significantly alleviate symptoms after 7 days of treatment compared with control. Although fewer hospitalizations were observed in the sofosbuvir/daclatasvir arm, this was not statistically significant. Sofosbuvir/daclatasvir significantly reduced the number of patients with fatigue and dyspnoea after 1 month. Larger, well-designed trials are warranted.

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