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ClinicalTrials.gov public records Last synced May 22, 2026, 1:07 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Altitude Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Altitude Sickness
Interventions
Ibuprofen, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Weight Loss, Other Effects of High Altitude
Interventions
Standard pro, High pro, carbo bev, placebo bev
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 42 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Prematurity; Extreme
Interventions
Near-infrared spectroscopy (NIRS) utilization
Device
Lead sponsor
University of New Mexico
Other
Eligibility
0 Hours to 24 Hours
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced May 22, 2026, 1:07 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Probiotics
Interventions
SLAB51
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Bishop, California • La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced May 22, 2026, 1:07 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypoxia
Interventions
Injectafer, Placebo
Drug · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Altitude Hypoxia
Interventions
Hypoxic breathing conditions
Other
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 22, 2026, 1:07 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Exercise Performance
Interventions
Placebo, Creatine
Dietary Supplement
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Acute Mountain Sickness (AMS)
Interventions
T89 capsule, Placebo capsule
Drug
Lead sponsor
Tasly Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced May 22, 2026, 1:07 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypoxic Pulmonary Vasoconstriction
Interventions
iloprost
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
High Altitude
Interventions
Ibuprofen, Sugar pill
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Bishop, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Acute Mountain Sickness and Fatigue
Interventions
Aminophylline 400 mg, Ambrisentan 5 mg, Placebo
Drug · Other
Lead sponsor
Robert J Noveck, M.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 12, 2015 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
High Altitude
Interventions
Pioglitazone 15mg, Placebo
Drug · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
AMS, Acute Mountain Sickness
Interventions
Immediate descent from altitude., Diphenhydramine, Prochlorperazine 10 mg
Other · Drug
Lead sponsor
CHRISTUS Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
NASH With Fibrosis
Interventions
rencofilstat, 75 mg, rencofilstat, 150mg, rencofilstat, 225 mg
Drug
Lead sponsor
Hepion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
20
States / cities
Chandler, Arizona • Peoria, Arizona • Tucson, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Blood Glucose Monitoring System Altitude Performance
Device
Lead sponsor
LabStyle Innovations Ltd.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Diabetes
Interventions
Dario Blood Glucose Monitoring System, YSI Analyzer
Device
Lead sponsor
LabStyle Innovations Ltd.
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Mountain Sickness Acute
Interventions
Respiratory Muscle Training, Sham Breathing Training
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Altitude Hypoxia
Interventions
Simulated altitude, Placebo simulated altitude
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Resting Metabolic Rate, Appetite, Heart Rate Variability
Interventions
Normobaric Hypoxia, Normobaric Normoxia
Device
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 28, 2021 · Synced May 22, 2026, 1:07 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Altitude Edema
Interventions
Advair HFA, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced May 22, 2026, 1:07 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypoxic Pulmonary Vasoconstriction
Interventions
iloprost
Drug
Lead sponsor
VA Loma Linda Health Care System
Federal
Eligibility
18 Years to 80 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2008 · Synced May 22, 2026, 1:07 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy, IUGR, Preeclampsia
Interventions
Collection of myometrial, cord blood, and placental tissue samples
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced May 22, 2026, 1:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Mountain Sickness
Interventions
Aminophylline, Methazolamide, Aminophylline and Methazolamide
Drug
Lead sponsor
Poudre Valley Health System
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced May 22, 2026, 1:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
High Altitude
Interventions
CHO+PRO, CHO
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced May 22, 2026, 1:07 AM EDT