- Conditions
- Long COVID
- Interventions
- Acute Placebo Visit, Acute Progressive Carbon Dioxide, Acute Intermittent Hypoxia, Training: Progressive Carbon Dioxide Ramping, Training: Intermittent Hypoxic Exposure, Training: Placebo Control
- Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Scottsdale, Arizona
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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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–14
of 14
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cystic Fibrosis
- Interventions
- PFP
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Cystic Fibrosis
- Interventions
- Lung Clearance Index, MRI with PFP
- Device · Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- COVID-19, Upper Respiratory Infection, Lower Respiratory Infection
- Interventions
- Fitbit, Douglas Bag, Periflux 6000 EPOS, BIOPAC, Flowmet, NIRS
- Device
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 18 Years to 78 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Post Single or Double Lung Transplant
- Interventions
- perfluorinated gas/oxygen mixture, MRI
- Drug · Device
- Lead sponsor
- Hal C Charles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Hypoxia
- Interventions
- Graded Exercise Test, Graded Hypoxia Exercise Test
- Diagnostic Test
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 2
- States / cities
- Rochester, Minnesota
- Conditions
- COPD, Asthma, Cystic Fibrosis, Emphysema, Small Airways Disease
- Interventions
- Medical Grade Oxygen
- Drug
- Lead sponsor
- Hal C Charles
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Smoking, Endothelial Dysfunction
- Interventions
- Charcoal hookah, E-coal hookah, Cigarette, Carbon Monoxide inhalation, Room Air inhalation, vitamin C, tadalafil
- Other · Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 21 Years to 49 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Cystic Fibrosis
- Interventions
- Hyperpolarized Xenon gas, PFP
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Spinal Cord Injuries (SCI)
- Interventions
- Augmented Acute Intermittent Hypoxia (aAIH), Acute Intermittent Hypercapnic-Hypoxia (AIHH), Sham AIH
- Other
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- COPD, Asthma, Cystic Fibrosis, Emphysema, Small Airways Diseases
- Interventions
- perfluorinated gas/oxygen mixture
- Drug
- Lead sponsor
- Hal C Charles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Cystic Fibrosis, Ventilatory Defect
- Interventions
- 19F MRI
- Combination Product
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- TBI
- Interventions
- Sildenafil citrate, Functional Near Infared Spectroscopy, Hypercapnia Challenge
- Drug · Device · Other
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2022
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Neonatal Respiratory Failure, Congenital Heart Defect
- Interventions
- Measurement of oxygen consumption and caloric expenditure
- Device
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- Up to 12 Months
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts