Mitoquinone/Mitoquinol Mesylate as Oral and Safe Postexposure Prophylaxis for Covid-19

Study Overview
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Brief Summary
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Adults who do not have major health, kidney, gastrointestinal disease will be randomized to receive oral mitoquinone/mitoquinol mesylate (Mito-MES) versus placebo to prevent the development and progression of COVID-19 after high-risk exposure to a person with confirmed SARS-CoV-2 infection.

Detailed Description
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The overall goal of the study is to determine the efficacy of the treatment with mito-MES 20 mg daily versus placebo for 14 days to prevent confirmed SARS-CoV-2 infection in high-risk close contacts of confirmed COVID-19 cases. Primary measure will be confirmed COVID-19 infection based on a diagnostic test within 14 days after exposure. Secondary measures of efficacy will be symptomatic viral infection, hospitalization, respiratory failure requiring ventilatory support attributable to COVID-19 disease, mortality. The secondary objective is to determine the safety of mito-MES for 14 days as post-exposure prophylaxis against SARS-CoV-2 in healthy adults.

Official Title
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Mitoquinone/Mitoquinol Mesylate as Oral and Safe Postexposure Prophylaxis for Covid-19

Conditions
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SARS-CoV Infection, COVID-19

Intervention / Treatment
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* Drug: Mitoquinone/mitoquinol mesylate
* Other: Placebo


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age 18-65 years old Asymptomatic (no symptoms of viral infection) on study entry High risk exposure without use of masks to confirmed case of COVID-19 Members in a household one of which is a confirmed case of COVID-19 Negative baseline SARS-COV-2 diagnostic test Exclusion Criteria: Women with variations in physiological functions due to hormones that may effect immune function and (transgender, pregnant, breastfeeding) Specific significant clinical diseases [cardiovascular disease (such as coronary artery/vascular disease), heart disease (such as congestive heart failure, cardiomyopathy, atrial fibrillation), lung disease (such as chronic obstructive pulmonary disease, asthma, bronchiectasis, pulmonary fibrosis, pleural effusions), kidney disease (glomerular filtration rate or GFR less than 60 ml/min/1.73 m2), liver disease (such as cirrhosis, hepatitis), major immunosuppression (such as history of transplantation, uncontrolled HIV infection, cancer on active chemotherapy] based on history. Participants with well controlled HIV (CD4 count > 500 cells/mm^3 and HIV viral load < 50 copies/ml) and people with remote history of cancer not on active treatment will be allowed to participate. History of known gastrointestinal disease (such as gastroparesis) that may predispose patients to nausea History of auto-immune diseases Chronic viral hepatitis Use of systemic immunomodulatory medications (e.g. steroids) within 4 weeks of enrollment Any participant who has received any investigational drug within 30 days of dosing History of underlying cardiac arrhythmia History of severe recent cardiac or pulmonary event A history of a hypersensitivity reaction to any components of the study drug or structurally similar compounds including Coenzyme Q10 and idebenone Unable to swallow tablets Use of any investigational products within 4 weeks of enrollment Any other clinical condition or prior therapy that, in the opinion of the investigator, would make the patient unsuitable for the study or unable to comply with the study requirements. Eligible for other FDA approved treatment for post-exposure prophylaxis against SARS-CoV-2 Use of Coenzyme Q10 or Vitamin E < 120 days from enrollment

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Single Group Assignment
Interventional Model Description: Group 1: Mito-MES 20 mg daily initiated within 3 days post exposure and taken daily during the study Group 2: Placebo.
Masking: Triple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Mito-MES<br>MitoQ pills 20 mg orally daily taken during the study and initiated within 3 days post exposure. | Drug: Mitoquinone/mitoquinol mesylate<br>* Mitochondrial antioxidant<br>|
| Placebo Comparator: Control group<br>Placebo pills orally daily taken during the study and initiated within 3 days post exposure. | Other: Placebo<br>* Placebo pills<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| SARS-CoV-2 infection | Confirmed SARS-CoV-2 infection based on a diagnostic test | Within 14 days after exposure to SARS-CoV-2 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Safety of mito-MES | Side effects observed during use of mito-MES | Within 14 days since initiation of the pills | 
| Symptomatic SARS-CoV-2 infection | Development of symptomatic SARS-CoV-2 infection | Within 14 days after exposure to SARS-CoV-2 | 
| Severity of symptoms of SARS-CoV-2 infection | Assessment of severity of symptoms of SARS-CoV-2 infection | Within 14 days after exposure to SARS-CoV-2 | 
| Duration of symptoms of SARS-CoV-2 infection | Assessment of duration of symptoms of SARS-CoV-2 infection | Within 14 days after exposure to SARS-CoV-2 | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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SARS-CoV Infection, COVID-19, Post-exposure prophylaxis