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ClinicalTrials.gov public records Last synced Oct 16, 2026, 9:55 PM EDT

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Showing 25–48 of 55 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetazolamide Clear all
Recruiting Phase 2 Interventional

Endotypic Traits and Obstructive Sleep Apnea Surgery

NCT05953610
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Acetazolamide 500 MG QHS, Eszopiclone 3 mg QHS
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Santa Monica, California • Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 16, 2026, 9:55 PM EDT
Recruiting Phase 2 Interventional

Patient-centered and Neurocognitive Outcomes With Acetazolamide for Sleep Apnea

NCT05804084
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 16, 2026, 9:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Altitude Sickness Prevention With Ibuprofen Relative to Acetazolamide and Treatment Efficacy

NCT03154645
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
Ibuprofen, Acetazolamide
Drug
Lead sponsor
Grant S Lipman
Other
Eligibility
18 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Bishop, California
Source: ClinicalTrials.gov public record
Updated Nov 26, 2018 · Synced Oct 16, 2026, 9:55 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Acetazolamide Efficacy in Ataxia in PMM2-CDG

NCT04679389
View directory record Official record
Conditions
Pmm2-CDG, CDG1A
Interventions
Placebo, Acetazolamide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
4 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Rochester, Minnesota • Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Oct 16, 2026, 9:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Brain Blood Flow During Induced Hypercapnia (Excess Blood Carbon Dioxide)

NCT00001845
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 16, 2026, 9:55 PM EDT
Withdrawn Not applicable Interventional

A Single-center Pilot Study Evaluating the Immediate Effects of Low-dose Acetazolamide on Respiratory Control in Subjects With Treatment Emergent Sleep Disordered Breathing

NCT02670096
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Oct 16, 2026, 9:55 PM EDT
Completed Phase 1Phase 2 Interventional

Acetazolamide in Persons With Type 1 Diabetes - Dose Finding

NCT05473364
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Acetazolamide
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 16, 2026, 9:55 PM EDT
Withdrawn Phase 2 Interventional

Acetazolamide for the Prevention of Post Operative CSF Leak

NCT04351061
View directory record Official record
Conditions
Cerebrospinal Fluid Leak
Interventions
Acetazolamide
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Oct 16, 2026, 9:55 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Central Sleep Apnea : Physiologic Mechanisms to Inform Treatment

NCT04118387
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Acetazolamide + supplemental oxygen + PAP therapy, Zolpidem + PAP therapy, Buspirone + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM EDT
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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM EDT
Active, not recruiting Phase 2 Interventional

Safety and Efficacy Study of Sivopixant, Acetazolamide and SASS-001 in Sleep Apnea

NCT06776432
View directory record Official record
Conditions
Sleep Apnea
Interventions
Sivopixant, Placebo, Acetazolamide, SASS-001
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
9
States / cities
La Jolla, California • Brandon, Florida • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 16, 2026, 9:55 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sickness Evaluation at Altitude With Acetazolamide at Relative Dosages

NCT03424226
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
Acetazolamide
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 16, 2026, 9:55 PM EDT
Completed Phase 1 Interventional

Impact of Acetazolamide in Reducing Referred Postoperative Pain

NCT04470843
View directory record Official record
Conditions
Prostate Cancer, Men
Interventions
Acetazolamide, Placebo
Drug · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 23, 2022 · Synced Oct 16, 2026, 9:55 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 16, 2026, 9:55 PM 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 16, 2026, 9:55 PM EDT