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Search / Trial NCT04489446

Sildenafil in COVID-19

Launched by UNIVERSIDAD NACIONAL ANDRES BELLO · Jul 25, 2020

Trial Information

Current as of April 25, 2025

Completed

Keywords

Covid19 Sars Cov2 Infection Sildenafil Phosphodiesterase 5 Inhibitors

ClinConnect Summary

Perfusion anomalies, namely hypoperfusion of healthy lung and vasoplegia with hyperperfusion of diseased lung areas, have been recently described amongst patients with COVID19. In this triple-blind pilot randomised trial, adult patients with high clinical suspicion of SARS-CoV2 infection and perfusion defects in a substraction computed tomography angiography will be randomised in a 1:1 ratio to receive sildenafil or placebo. Informed consent will be obtained from every included participant. Patients requiring mechanical ventilation at baseline will be excluded, as will those who present a c...

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • Adult participant with high clinical suspicion of a SARS-CoV2 infection.
  • Hypoperfusion of healthy lung areas in a substraction computed tomography angiography within 24 hours of admission to the hospital.
  • Exclusion Criteria:
  • Requirement of therapy with nitrates of nitrites
  • Arterial hypotension at presentation
  • Recent diagnosis of coronary artery disease (\<6 months)
  • Acute heart failure at presentation
  • Recent stroke (\< 6 months)
  • Chronic respiratory failure with CO2 retention
  • Known hypersensitivity to sildenafil
  • Advanced liver disease (Child-Pugh class B or higher)
  • Users of cytochrome P450 3A4 inhibitors (Erythromycin, Ketoconazole, Itraconazole, Saquinavir)
  • Pulmonary hypertension
  • Chronic users of phosphodiesterase 5 inhibitors
  • Requirement of invasive mechanical ventilation at baseline
  • Decision to limit therapeutic efforts at baseline
  • Pregnancy or lactation
  • History of retinitis pigmentosa
  • Known obstruction to left-ventricular outflow tract
  • Unwillingness to participate in the trial

About Universidad Nacional Andres Bello

The Universidad Nacional Andrés Bello (UNAB) is a distinguished higher education institution in Chile, recognized for its commitment to advancing research and innovation in the health sciences. With a strong emphasis on interdisciplinary collaboration, UNAB actively sponsors clinical trials aimed at enhancing medical knowledge and improving patient outcomes. The university leverages its extensive network of experts and state-of-the-art facilities to conduct rigorous research that addresses pressing healthcare challenges, ensuring adherence to ethical standards and regulatory compliance throughout the trial process. Through its initiatives, UNAB aims to contribute significantly to the global medical community and foster advancements in clinical practice.

Locations

Viña Del Mar, Valparaiso, Chile

Patients applied

0 patients applied

Trial Officials

Mario Santamarina, MD

Study Director

Hospital Naval Almirante Nef

Felipe Martinez, MD, MSc

Principal Investigator

Universidad Andres Bello

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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