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ClinicalTrials.gov public records Last synced Sep 21, 2026, 8:25 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 1 Interventional Accepts healthy volunteers

Sickness Evaluation at Altitude With Acetazolamide at Relative Doses

NCT03828474
Conditions
Acute Mountain Sickness
Interventions
Acetazolamide Pill
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bishop, California
Recruiting Phase 4 Interventional

Preoperative Acetazolamide

NCT07101250
Conditions
Post Operative Pain, Laparoscopic Hysterectomy, Referred Pain
Interventions
Acetazolamide 500 MG Extended Release Oral Capsule, Placebo
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Greenville, South Carolina
Conditions
Hypoxemia, Acute Mountain Sickness (AMS), Inflammation, Immune Response
Interventions
ACETAZOLAMIDE oral capsule, Placebo Arm
Drug · Device
Lead sponsor
University of California, Riverside
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Riverside, California
Recruiting Phase 4 Interventional Accepts healthy volunteers

Sleep Apnea in Elderly

NCT02703220
Conditions
Sleep Apnea, Elderly Adults
Interventions
Hyperoxia/oxygen, Acetazolamide, Finasteride
Other · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Sleep Apnea
Interventions
Acetazolamide
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Altitude Sickness Prevention and Efficacy of Comparative Treatments

NCT02604173
Conditions
Acute Mountain Sickness
Interventions
Budesonide, Acetazolamide, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Bishop, California
Completed Phase 1Phase 2 Interventional

Acetazolamide on REM OSA

NCT05589792
Conditions
Obstructive Sleep Apnea
Interventions
Placebo oral capsule, Acetazolamide
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obstructive Sleep Apnea
Interventions
IHL-42X Low Dose, IHL-42X High Dose, Placebo, IHL-42X (Optimal Dose), Dronabinol, Acetazolamide
Drug
Lead sponsor
Incannex Healthcare Ltd
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
20
States / cities
Chula Vista, California • Long Beach, California • Upland, California + 16 more
Conditions
Healthy, Hypercapnia
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Type 1 Diabetes
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
La Jolla, California
Conditions
Landau-Kleffner Syndrome, Status Epilepticus, Electrographic
Interventions
Diazepam, Acetazolamide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 12 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
OSA
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Validation of a New Noninvasive Method to Obtain the Arterial Input Function (AIF) Directly by PET Imaging
Interventions
[O-15]Water, Acetazolamide
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Obstructive Sleep Apnea
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
La Jolla, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

Acetazolamide and Exercise Performance at Altitude

NCT03525561
Conditions
Hypoxia, Exercise Performance, Cognitive Function, Dexterity
Interventions
Acetazolamide Pill, Placebo pill
Drug
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Natick, Massachusetts
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Acetazolamide for the Prevention of High Altitude Illness: a Comparison of Dosing

NCT01993667
Conditions
Prophylaxis of Acute Mountain Sickness
Interventions
Low Dose Acetazolamide, Normal Dose Acetazolamide
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Vasospasm, Cerebral
Interventions
Acetazolamide
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Optic Nerve Sheath Fenestration, Ventriculoperitoneal CSF Shunting
Drug · Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years to 63 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
33
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 26 more
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Pharmacological Countermeasures for High Altitude

NCT05300477
Conditions
Hypobaric Hypoxia
Interventions
Acetazolamide, Erythropoietin
Drug
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Tumor, Metastatic Melanoma, Melanoma
Interventions
OBX-115, Acetazolamide, Cyclophosphamide, Furosemide, Mesna, Fludarabine Phosphate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 2 Interventional Results available

Histamine Glutamate Antagonism in Stroke

NCT02142712
Conditions
Acute Cerebrovascular Accident, Cerebral Edema
Interventions
Diphenhydramine, Pantoprazole, Famotidine, Dextromethorphan
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
OSA, Obstructive Sleep Apnea
Interventions
Acetazolamide, Eszopiclone, Placebo, Venlafaxine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
La Jolla, California
Conditions
Obesity
Interventions
Acetazolamide
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Phoenix, Arizona