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Abstract Background There is an unmet need for treatment of long-term symptoms following COVID-19. Remdesivir is currently the only antiviral approved by the European Medicines Agency for hospitalised patients. Here, we report on the effect of remdesivir in addition to standard of care on long-term symptoms and quality of life in hospitalised patients with COVID-19 as part of the open-label randomised NOR-Solidarity trial (NCT04321616). Methods A total of 185 patients were included in the main trial, of which 118 (60%) were randomised to either remdesivir (n = 42; 36%) or a post-hoc defined control group composed of patients who received standard of care alone or standard of care with hydroxychloroquine (n = 76; 64%). Participants were given quality of life surveys to fill out to gauge their self-reported health over time (the COPD assessment test, the EQ-5D-5L and the RAND SF-36). Results Here we show that after three months, patients treated with remdesivir do not show significant improvements in stated health compared to those who were not. There are self-reported symptoms of fatigue [mean remdesivir group 2.6 (standard deviation 1.5) v control 2.1 (1.6), 95% confidence interval(CI) −1.17 to 0.15, p = 0.129], shortness of breath [3.0 (1.7) v 2.1 (1.8), 95% CI −1.53 to 0.16, p = 0.110] and coughing [1.8 (1.6) v 1.2 (1.5), 95% CI −1.3 to 0.33, p = 0.237] 3 months after randomisation assessed via the COPD Assessment Test. Conclusions Our findings indicate that treatment with remdesivir during hospitalisation does not provide any clinically relevant long-term benefit.

Abstract The association between pulmonary sequelae and markers of disease severity, as well as pro-fibrotic mediators, were studied in 108 patients 3 months after hospital admission for COVID-19. The COPD assessment test (CAT-score), spirometry, diffusion capacity of the lungs (DLCO), and chest-CT were performed at 23 Norwegian hospitals included in the NOR-SOLIDARITY trial, an open-labelled, randomised clinical trial, investigating the efficacy of remdesivir and hydroxychloroquine (HCQ). Thirty-eight percent had a CAT-score ≥ 10. DLCO was below the lower limit of normal in 29.6%. Ground-glass opacities were present in 39.8% on chest-CT, parenchymal bands were found in 41.7%. At admission, low pO2/FiO2 ratio, ICU treatment, high viral load, and low antibody levels, were predictors of a poorer pulmonary outcome after 3 months. High levels of matrix metalloproteinase (MMP)-9 during hospitalisation and at 3 months were associated with persistent CT-findings. Except for a negative effect of remdesivir on CAT-score, we found no effect of remdesivir or HCQ on long-term pulmonary outcomes. Three months after hospital admission for COVID-19, a high prevalence of respiratory symptoms, reduced DLCO, and persistent CT-findings was observed. Low pO2/FiO2 ratio, ICU-admission, high viral load, low antibody levels, and high levels of MMP-9 were associated with a worse pulmonary outcome.