Sildenafil in COVID-19

Summary

This randomised trial aims to assess the role of sildenafil in improving oxygenation amongst hospitalised patients with COVID19.

Timeline

Start

2020-08-19

Primary completion

2021-04-30

Completion

2021-06-30

Outcome

Missed primary endpoint

paper No significant differences in mean PaO2/FiO2 ratios and A-a gradients were found between groups (repeated-measures ANOVA p = 0.67 and p = 0.69). PMID 34980198 ↗

Publications

• Background Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, Xiang J, Wang Y, Song B, Gu X, Guan L, Wei Y, Li H, Wu X, Xu J, Tu S, Zhang Y, Chen H, Cao B. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet. 2020 Mar 28;395(10229):1054-1062. doi: 10.1016/S0140-6736(20)30566-3. Epub 2020 Mar 11.
• Background Lippi G, Plebani M. Laboratory abnormalities in patients with COVID-2019 infection. Clin Chem Lab Med. 2020 Jun 25;58(7):1131-1134. doi: 10.1515/cclm-2020-0198. No abstract available.
• Background Santamarina MG, Boisier D, Contreras R, Baque M, Volpacchio M, Beddings I. COVID-19: a hypothesis regarding the ventilation-perfusion mismatch. Crit Care. 2020 Jul 6;24(1):395. doi: 10.1186/s13054-020-03125-9. No abstract available.
• Background Gheblawi M, Wang K, Viveiros A, Nguyen Q, Zhong JC, Turner AJ, Raizada MK, Grant MB, Oudit GY. Angiotensin-Converting Enzyme 2: SARS-CoV-2 Receptor and Regulator of the Renin-Angiotensin System: Celebrating the 20th Anniversary of the Discovery of ACE2. Circ Res. 2020 May 8;126(10):1456-1474. doi: 10.1161/CIRCRESAHA.120.317015. Epub 2020 Apr 8.
• Background Wu Z, Hu R, Zhang C, Ren W, Yu A, Zhou X. Elevation of plasma angiotensin II level is a potential pathogenesis for the critically ill COVID-19 patients. Crit Care. 2020 Jun 5;24(1):290. doi: 10.1186/s13054-020-03015-0. No abstract available.
• Santamarina MG, Beddings I, Lomakin FM, Boisier Riscal D, Gutierrez Claveria M, Vidal Marambio J, Retamal Baez N, Pavez Novoa C, Reyes Allende C, Ferreira Perey P, Gutierrez Torres M, Villalobos Mazza C, Vergara Sagredo C, Ahumada Bermejo S, Labarca Mellado E, Barthel Munchmeyer E, Marchant Ramos S, Volpacchio M, Vega J. Sildenafil for treating patients with COVID-19 and perfusion mismatch: a pilot randomized trial. Crit Care. 2022 Jan 3;26(1):1. doi: 10.1186/s13054-021-03885-y.

Drugs

Indications