An Oral Treatment to Prevent COVID-19 After Exposure

Mitoquinone/mitoquinol mesylate as oral and safe Postexposure Prophylaxis for Covid-19

['FUNDING_R21'] · UT SOUTHWESTERN MEDICAL CENTER · NIH-10888395

This project is exploring if a daily supplement called MitoQ can help prevent COVID-19 infection after someone has been exposed to the virus.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorUT SOUTHWESTERN MEDICAL CENTER (nih funded)
Locations1 site (DALLAS, UNITED STATES)
Trial IDNIH-10888395 on ClinicalTrials.gov

What this research studies

Current oral treatments for COVID-19 have limitations, such as not reducing inflammation and sometimes leading to a return of symptoms. We need new treatments that can also help control the body's inflammatory response to the virus. This work focuses on MitoQ, a mitochondrial antioxidant that has shown promise in lab studies and an early human trial by reducing harmful molecules and boosting natural defenses. The goal is to further understand how MitoQ can prevent COVID-19 infection and its associated inflammation after exposure.

Who could benefit from this research

Good fit: Ideal candidates would be adults who have recently been exposed to someone with confirmed SARS-CoV-2 infection.

Not a fit: Patients who are already experiencing severe COVID-19 symptoms or are not recently exposed may not directly benefit from this specific preventive approach.

Why it matters

Potential benefit: If successful, this could offer a new, safe, and readily available oral option to prevent COVID-19 infection and reduce severe symptoms after exposure.

How similar studies have performed: Early human studies and lab tests have shown promising results for MitoQ in preventing SARS-CoV-2 infection and reducing inflammation.

Where this research is happening

DALLAS, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.