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ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:52 AM EDT

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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: acetazolamide Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Sickness Evaluation at Altitude With Acetazolamide at Relative Doses

NCT03828474
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 21, 2026, 11:52 AM EDT
Recruiting Phase 1Phase 2 Interventional

Rescue Pharmacotherapy for OSA

NCT05293600
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Placebo, Acetazolamide, Trazodone, Atomoxetine and eszopiclone
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Carbonic Anhydrase Inhibitors and Carbonation: A Novel Approach to Reduce Soda Consumption

NCT06110078
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Phase 2Phase 3 Interventional

RePOSA-Revealing the Efficacy of IHL-42X Use in Patients With OSA

NCT06146101
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Recruiting Phase 2 Interventional

Acetazolamide in Persons With Type 1 Diabetes - Crossover Trial

NCT06981234
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2025 · Synced Oct 21, 2026, 11:52 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Pharmacological Countermeasures for High Altitude

NCT05300477
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 21, 2026, 11:52 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Acetazolamide on Subclinical High-Altitude Pulmonary Edema Detected by Lung Ultrasonography

NCT03490916
View directory record Official record
Conditions
High Altitude Pulmonary Edema
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Vincent Kan
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2019 · Synced Oct 21, 2026, 11:52 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Stop Retinal Ganglion Cell Dysfunction Study

NCT02390284
View directory record Official record
Conditions
Glaucoma
Interventions
Latanoprost, Bimatoprost, Travoprost, Timolol, Dorzolamide, Brinzolamide, Acetazolamide, Methazolamide
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 21, 2026, 11:52 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Role of Acetazolamide in Mitigating Inflammation and Innate Immune Activation at High Altitude

NCT07517068
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Efficacy Study of Acetazolamide Versus Diazepam in Continuous Spike and Wave/Landau-Kleffner Syndrome

NCT02904265
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 21, 2026, 11:52 AM EDT
Recruiting Phase 1Phase 2 Interventional

Acetazolamide for Treatment Resistant Schizophrenia

NCT04887792
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Vishwajit Nimgaonkar, MD PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Not applicable Interventional Results available

Predicting Successful Sleep Apnea Treatment With Acetazolamide in Heart Failure Patients

NCT01377987
View directory record Official record
Conditions
Heart Failures
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
David Andrew Wellman
Other
Eligibility
18 Years to 89 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Oct 21, 2026, 11:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cerebrovascular Reserve and White Matter Disease in Patients with Chronic Anemia

NCT03715972
View directory record Official record
Conditions
Thalassemia, Sickle Cell Disease, Healthy Controls
Interventions
Hydroxyurea, Acetazolamide
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
7 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 21, 2026, 11:52 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Potassium Citrate in Urine of Children With Elevated Calcium in Urine and Kidney Stones

NCT00120731
View directory record Official record
Conditions
Kidney Calculi
Interventions
Potassium Citrate, Acetazolamide, Diet low in oxalate and purines
Drug · Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Oct 21, 2026, 11:52 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Sleep Disordered Breathing With Opioid Use

NCT05589753
View directory record Official record
Conditions
Sleep Apnea, Opioid Use, Sleep Disordered Breathing
Interventions
Hyperoxia, Acetazolamide
Other · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 89 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Altitude Sickness Prevention and Efficacy of Comparative Treatments

NCT02604173
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Phase 2 Interventional Results available

Histamine Glutamate Antagonism in Stroke

NCT02142712
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Acetazolamide and Exercise Performance at Altitude

NCT03525561
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 21, 2026, 11:52 AM EDT
Active, not recruiting Phase 1 Interventional

Study of Acetazolamide With Temozolomide in Adults With Newly Diagnosed or Recurrent Malignant Glioma

NCT03011671
View directory record Official record
Conditions
Malignant Glioma of Brain
Interventions
Acetazolamide, Temozolomide
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Withdrawn Phase 2 Interventional

Evaluation of a Compliance Marker in Prescription Opioid Abusers With Chronic Pain

NCT02276989
View directory record Official record
Conditions
Compliance, Chronic Pain
Interventions
acetazolamide, Quinine, Riboflavin
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 10, 2017 · Synced Oct 21, 2026, 11:52 AM EDT
Active, not recruiting Phase 1 Interventional

Phase I, Open-Label, Study of Tumor Infiltrating Lymphocytes Engineered With Membrane Bound IL15 Plus Acetazolamide in Adult Patients With Metastatic Melanoma

NCT05470283
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 11:52 AM EDT
Terminated Phase 3 Interventional Results available

Surgical Idiopathic Intracranial Hypertension Treatment Trial

NCT03501966
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 16, 2022 · Synced Oct 21, 2026, 11:52 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

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

NCT01993667
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Oct 21, 2026, 11:52 AM EDT
Terminated Phase 3 Interventional Results available

Buspirone as a Potential Treatment for Recurrent Central Apnea

NCT00746954
View directory record Official record
Conditions
Central Apnea, Heart Failure
Interventions
Acetazolamide, Buspirone
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 21, 2026, 11:52 AM EDT