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Completed Phase 2 Interventional Results available

Atovaquone for Treatment of COVID-19

ClinicalTrials.gov ID: NCT04456153

Public ClinicalTrials.gov record NCT04456153. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 8:48 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the current study is to accelerate the use of a clinically available therapeutic already FDA-approved for other indications in the setting of pandemic COVID-19 addressing a serious and emergent unmet medical need. This is a randomized, double-blind study of atovaquone therapy in adult participants hospitalized with COVID-19. Approximately 60 participants who meet all eligibility criteria may be randomized in a 2:1 atovaquone/placebo ratio into one of the following treatment groups: Treatment Group 1: continued standard of care therapy together with an oral dose of 1500 mg atovaquone twice daily (administered with a meal or snack) for up to 10 days Treatment Group 2: continued standard of care therapy together with matching placebo

Study identification

NCT ID
NCT04456153
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
60 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 21, 2020
Primary completion
Jan 30, 2021
Completion
Jan 30, 2021
Last update posted
Dec 13, 2021

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Texas Medical Center Dallas Texas 75390

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04456153, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 13, 2021 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04456153 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →