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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetazolamide Pill Clear all
Recruiting Phase 2 Interventional

Acetazolamide in Central Sleep Apnea Patients Using Medication for Opioid Use Disorder

NCT06521476
View directory record Official record
Conditions
Central Sleep Apnea Comorbid With Opioid Use
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Sanjay R Patel
Other
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 3, 2026, 6:45 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 12, 2018 · Synced Sep 3, 2026, 6:45 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 11, 2018 · Synced Sep 3, 2026, 6:45 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 7, 2026 · Synced Sep 3, 2026, 6:45 AM 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 21, 2019 · Synced Sep 3, 2026, 6:45 AM EDT
Terminated Phase 1 Interventional

Effect of Potassium and Acetazolamide on People With Andersen-Tawil Syndrome

NCT00839501
View directory record Official record
Conditions
Andersen-Tawil Syndrome
Interventions
Potassium, Acetazolamide
Dietary Supplement · Drug
Lead sponsor
University of Rochester
Other
Eligibility
10 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Sep 3, 2026, 6:45 AM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 3, 2026, 6:45 AM 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 7, 2025 · Synced Sep 3, 2026, 6:45 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 15, 2022 · Synced Sep 3, 2026, 6:45 AM EDT
Recruiting Phase 1Phase 2 Interventional

Acetazolamide as a Means to Mitigate Falling Ventilatory Drive and Drive-dependent OSA

NCT06091085
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 3, 2026, 6:45 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 4, 2019 · Synced Sep 3, 2026, 6:45 AM 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 11, 2018 · Synced Sep 3, 2026, 6:45 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 14, 2026 · Synced Sep 3, 2026, 6:45 AM EDT