- Conditions
- Long COVID, Cardiorespiratory Fitness
- Interventions
- 140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 64
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Post-COVID Postural Orthostatic Tachycardia Syndrome Postural Orthostatic Tachycardia Syndrome
- Interventions
- Efgartigimod
- Drug
- Lead sponsor
- argenx
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 9
- States / cities
- La Jolla, California • Palo Alto, California • Glenview, Illinois + 6 more
- Conditions
- Post-Acute COVID-19 Syndrome
- Interventions
- Not listed
- Lead sponsor
- Palo Alto Medical Foundation
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- PTSD, Opioid-use Disorder, Substance Use Disorders
- Interventions
- Concurrent Treatment of PTSD and Substance Use Disorders Using Prolonged Exposure (COPE)
- Behavioral
- Lead sponsor
- Christal L Badour
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Covid19, Long COVID-19, Post-COVID-19 Syndrome
- Interventions
- Naltrexone, NAD+
- Drug · Dietary Supplement
- Lead sponsor
- AgelessRx
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Post-COVID-19 Condition, Post-COVID Condition, Post-COVID Syndrome, Long COVID, Chronic Fatigue, Chronic Fatigue Symptoms, Fatigue Post Viral
- Interventions
- REGENECYTE®
- Biological
- Lead sponsor
- StemCyte, Inc.
- Industry
- Eligibility
- 18 Years and older
- U.S. locations
- 2
- States / cities
- Miami, Florida • Miami Lakes, Florida
- Conditions
- Family Members, Post Intensive Care Unit Syndrome, Post Traumatic Stress Disorder
- Interventions
- Written Summary of Rounds
- Behavioral
- Lead sponsor
- Rush University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Cognitive Impairment, Long COVID
- Interventions
- Digital cognitive behavioral intervention-RxWell, Amphetamine-Dextroamphetamine
- Behavioral · Drug
- Lead sponsor
- Eva Szigethy
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- COVID-19
- Interventions
- Nuvaxovid (NVX-CoV2705), mNEXSPIKE mRNA-1283
- Drug
- Lead sponsor
- Marcel Curlin
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Long COVID
- Interventions
- Not listed
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Pulmonary Fibrosis, COVID-19 Pneumonia, Long COVID
- Interventions
- Sirolimus
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Long COVID, Post-COVID Syndrome, Post COVID-19 Condition
- Interventions
- REGENECYTE, Placebo
- Biological
- Lead sponsor
- StemCyte, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Miami Lakes, Florida
- Conditions
- Sars-CoV2
- Interventions
- COVID-19 PCR and Serology
- Diagnostic Test
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 111 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 2
- States / cities
- Manhasset, New York • New Hyde Park, New York
- Conditions
- COVID-19
- Interventions
- C11 ER176 Tracer
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Long COVID, Long Covid19, Post-Acute COVID-19, Post-Acute COVID-19 Syndrome, Long Haul COVID, Long-Haul COVID-19
- Interventions
- Endourage Targeted Wellness Formula C™, a full hemp flower extract
- Combination Product
- Lead sponsor
- Endourage, LLC
- Industry
- Eligibility
- 21 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- 2019 Novel Coronavirus Disease, 2019 Novel Coronavirus Infection, 2019-nCoV Disease, 2019-nCoV Infection, COVID-19, COVID-19 Pandemic, COVID-19 Virus Disease, COVID-19 Virus Infection, Covid19, Coronavirus Disease 2019, SARS-CoV2 Infection, SARS-CoV-2 Acute Respiratory Disease
- Interventions
- Famotidine, Celecoxib, Placebo
- Drug
- Lead sponsor
- Leidos Life Sciences
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 15
- States / cities
- Newport Beach, California • Miami, Florida • Atlanta, Georgia + 12 more
- Conditions
- Respiratory Failure, SARS-CoV 2, Corona Virus Infection, Post Intensive Care Unit Syndrome, Family Members, Post Traumatic Stress Disorder, Anxiety, Depression
- Interventions
- Not listed
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 330 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 9
- States / cities
- Aurora, Colorado • New Orleans, Louisiana • Boston, Massachusetts + 5 more
- Conditions
- Long COVID, Post-Acute COVID-19 Syndrome
- Interventions
- Amantadine, Physical, Occupational, Speech Therapy, Provider Counseling, Medications for symptoms management
- Drug · Other
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 20 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Post COVID-19 Condition, Long COVID
- Interventions
- Rintatolimod, Placebo / Normal Saline
- Drug · Other
- Lead sponsor
- AIM ImmunoTech Inc.
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 5
- States / cities
- Canoga Park, California • Inglewood, California • San Diego, California + 2 more
- Conditions
- SARS CoV-2 Post-Acute Sequelae
- Interventions
- This study is observational. Only patients who have previously tested positive for SARS-CoV-2 infection or are experiencing ongoing symptoms.
- Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- COVID-19, Post Acute Sequelae of COVID-19, Long COVID, Organ Dysfunction Syndrome, Multiple, Frailty Syndrome
- Interventions
- Blood and nasal swab sampling
- Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 600 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 7
- States / cities
- Los Angeles, California • Sylmar, California • Torrance, California + 3 more
- Conditions
- Long COVID, Chronic Fatigue Syndrome
- Interventions
- Transcutaneous vagus nerve stimulator
- Device
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 21 Years to 70 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- COVID-19, Muscle Atrophy, Muscle Weakness
- Interventions
- Electrical Stimulation, Electrical Stimulation - Sham
- Device
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- COVID-19, Sleep Apnea
- Interventions
- Continuous positive airway pressure
- Device
- Lead sponsor
- Venkatesh Krishnamurthy
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania