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Last Updated: April 7, 2025

CLINICAL TRIALS PROFILE FOR ACETAZOLAMIDE


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All Clinical Trials for acetazolamide

Trial IDTitleStatusSponsorPhaseStart DateSummary
NCT00108602 ↗ Sleep Apnea: Mechanism and Cerebrovascular Consequences Withdrawn US Department of Veterans Affairs N/A 2007-05-01 This study will determine the effect of ventilatory stimulation on obstructive sleep apnea in selected patients with stroke. We will select a subset of patients with stroke in the prior 3 months who are most likely to have ventilatory instability as a cause of the upper airway obstruction as indicated by the absence of obesity, an abnormal hypocapnic apnea threshold and resolution of obstructive apnea during CO2 administration. Following baseline polysomnography, patients will be randomly assigned to acetazolamide (250 mg hs [at bedtime]) versus placebo for 7 days. Polysomnography will be repeated and then subjects will cross-over therapies for another 7 days followed by a final nocturnal polysomnography.
NCT00108602 ↗ Sleep Apnea: Mechanism and Cerebrovascular Consequences Withdrawn VA Office of Research and Development N/A 2007-05-01 This study will determine the effect of ventilatory stimulation on obstructive sleep apnea in selected patients with stroke. We will select a subset of patients with stroke in the prior 3 months who are most likely to have ventilatory instability as a cause of the upper airway obstruction as indicated by the absence of obesity, an abnormal hypocapnic apnea threshold and resolution of obstructive apnea during CO2 administration. Following baseline polysomnography, patients will be randomly assigned to acetazolamide (250 mg hs [at bedtime]) versus placebo for 7 days. Polysomnography will be repeated and then subjects will cross-over therapies for another 7 days followed by a final nocturnal polysomnography.
NCT00120731 ↗ Effects of Potassium Citrate in Urine of Children With Elevated Calcium in Urine and Kidney Stones Withdrawn Children's Mercy Hospital Kansas City N/A 2005-07-01 High amounts of calcium in the urine (hypercalciuria) can cause development of kidney stones in children. Treatment for these children includes plenty of fluids, a low-salt diet and medications such as potassium citrate. A major advantage of potassium citrate, as compared to hydrochlorothiazide, is its lack of side effects. One problem the researchers and others have observed is that some children continue to form kidney stones despite correction of hypercalciuria with potassium citrate. One possible explanation is that in some individuals potassium citrate therapy results in an excessive elevation of urine pH, a situation that may predispose to calcium phosphate stone formation. In this study, the researchers will study the effects of potassium citrate on urine chemistries and acid-base balance in three groups of children aged 5-17 years: - children who are hypercalciuric stone formers; - healthy children without a history of hypercalciuria or kidney stones. Particular attention will be paid to try to identify those who develop a very high urine pH (>8) and the factors leading to this metabolic reaction. The researchers will try to learn whether it is the child's characteristics, the disease manifestations, the dose of the drug, or a combination of the above which may be the cause of the development of very alkaline urine. Based on the results, the researchers hope to be able to better "tailor" the individual treatment for each child with kidney stones.
NCT00004802 ↗ Phase III Randomized, Double-Blind, Placebo-Controlled Study of Dichlorphenamide for Periodic Paralyses and Associated Sodium Channel Disorders Completed Ohio State University Phase 3 1992-06-01 OBJECTIVES: I. Assess the efficacy of dichlorphenamide in the treatment of episodic weakness attacks in patients with hyperkalemic periodic paralysis, paramyotonia congenita with periodic paralysis, and hypokalemic periodic paralysis.
NCT00004802 ↗ Phase III Randomized, Double-Blind, Placebo-Controlled Study of Dichlorphenamide for Periodic Paralyses and Associated Sodium Channel Disorders Completed National Center for Research Resources (NCRR) Phase 3 1992-06-01 OBJECTIVES: I. Assess the efficacy of dichlorphenamide in the treatment of episodic weakness attacks in patients with hyperkalemic periodic paralysis, paramyotonia congenita with periodic paralysis, and hypokalemic periodic paralysis.
NCT00000115 ↗ Randomized Trial of Acetazolamide for Uveitis-Associated Cystoid Macular Edema Completed National Eye Institute (NEI) Phase 2 1990-12-01 To test the efficacy of acetazolamide for the treatment of uveitis-associated cystoid macular edema.
>Trial ID>Title>Status>Phase>Start Date>Summary
Showing 1 to 6 of 6 entries

Clinical Trial Conditions for acetazolamide

Condition Name

128880024681012Obstructive Sleep ApneaChronic Obstructive Pulmonary DiseaseAcute Mountain SicknessAltitude Hypoxia[disabled in preview]
Condition Name for acetazolamide
Intervention Trials
Obstructive Sleep Apnea 12
Chronic Obstructive Pulmonary Disease 8
Acute Mountain Sickness 8
Altitude Hypoxia 8
[disabled in preview] 0
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Condition MeSH

282116140051015202530Altitude SicknessSleep Apnea SyndromesSleep Apnea, ObstructiveApnea[disabled in preview]
Condition MeSH for acetazolamide
Intervention Trials
Altitude Sickness 28
Sleep Apnea Syndromes 21
Sleep Apnea, Obstructive 16
Apnea 14
[disabled in preview] 0
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Clinical Trial Locations for acetazolamide

Trials by Country

+
Trials by Country for acetazolamide
Location Trials
United States 123
Kyrgyzstan 18
Belgium 8
Israel 7
Switzerland 6
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Trials by US State

+
Trials by US State for acetazolamide
Location Trials
California 15
Massachusetts 11
Texas 7
Florida 6
Pennsylvania 6
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Clinical Trial Progress for acetazolamide

Clinical Trial Phase

42.0%11.8%5.9%40.3%05101520253035404550Phase 4Phase 3Phase 2/Phase 3[disabled in preview]
Clinical Trial Phase for acetazolamide
Clinical Trial Phase Trials
Phase 4 50
Phase 3 14
Phase 2/Phase 3 7
[disabled in preview] 48
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Clinical Trial Status

46.0%18.7%11.5%23.7%01520253035404550556065CompletedRecruitingNot yet recruiting[disabled in preview]
Clinical Trial Status for acetazolamide
Clinical Trial Phase Trials
Completed 64
Recruiting 26
Not yet recruiting 16
[disabled in preview] 33
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Clinical Trial Sponsors for acetazolamide

Sponsor Name

trials024681012141618202224University of ZurichNational Center of Cardiology and Internal Medicine named after academician M.MirrakhimovUniversity of California, San Diego[disabled in preview]
Sponsor Name for acetazolamide
Sponsor Trials
University of Zurich 23
National Center of Cardiology and Internal Medicine named after academician M.Mirrakhimov 16
University of California, San Diego 5
[disabled in preview] 13
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Sponsor Type

87.9%6.9%0020406080100120140160180200220OtherNIHU.S. Fed[disabled in preview]
Sponsor Type for acetazolamide
Sponsor Trials
Other 203
NIH 16
U.S. Fed 8
[disabled in preview] 4
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Acetazolamide: Clinical Trials, Market Analysis, and Projections

Introduction to Acetazolamide

Acetazolamide, commonly known by the brand name Diamox, is a carbonic anhydrase inhibitor used in the treatment of various medical conditions, including glaucoma, altitude sickness, epilepsy, and decompensated heart failure. Here, we will delve into recent clinical trials, market analysis, and future projections for this versatile drug.

Recent Clinical Trials

ADVOR Trial: Acetazolamide in Decompensated Heart Failure

A significant clinical trial, the ADVOR trial, investigated the efficacy of acetazolamide in patients with acute decompensated heart failure. This multicenter, randomized, double-blind, placebo-controlled trial found that adding acetazolamide to loop diuretic therapy resulted in a higher incidence of successful early decongestion compared to placebo. Specifically, 42.2% of patients receiving acetazolamide achieved successful decongestion within three days, versus 30.5% in the placebo group[1].

Clinical Trials in Other Indications

Other ongoing clinical trials are exploring the potential of acetazolamide in different therapeutic areas. For example, a dose-finding trial at UCSD is investigating the use of acetazolamide in persons with type 1 diabetes, focusing on its effects on glomerular filtration rate (GFR)[4].

Additionally, there are ongoing trials to expand the application of acetazolamide to conditions such as normal pressure hydrocephalus (NPH) and peri-calcification edema in neurocysticercosis (NCC)[3].

Market Analysis

Current Market Size and Growth

The global acetazolamide market has been growing steadily due to the increasing prevalence of its key indications, such as glaucoma, altitude sickness, and epilepsy. As of 2023, the market size was estimated at USD 281.55 million and is projected to reach USD 299.50 million in 2024. By 2030, the market is expected to grow to USD 436.71 million, exhibiting a CAGR of 6.47% during the forecast period[5].

Key Drivers of Market Growth

Several factors are driving the growth of the acetazolamide market:

  • Aging Population and Urbanization: The rising aging population and increasing urbanization are contributing to a higher prevalence of glaucoma, a major indication for acetazolamide[2][3].
  • Increased Travel to High-Altitude Regions: More frequent travel to high-altitude destinations has increased the demand for acetazolamide as a preventive measure for altitude sickness[2][3].
  • Advancements in Drug Delivery Systems: Research into new formulations with improved tolerability and targeted therapies is enhancing the market's growth potential[2][5].
  • Government Support and Regulatory Approvals: Government support for research and development, along with regulatory approvals for new formulations, are also driving market growth[3].

Key Market Players and Strategies

Major pharmaceutical companies such as Teva, TARO, Zydus Pharmaceuticals, and others hold significant shares of the global acetazolamide market. These companies are focusing on product development, strategic partnerships, and expanding their geographical reach to maintain their competitive edge. The entry of biosimilar manufacturers is expected to increase competition and drive down prices, making treatment more accessible to patients[2].

Regional Market Dominance

North America and Europe are dominant regions in the acetazolamide market due to the high prevalence of glaucoma and altitude sickness, as well as strong healthcare infrastructure and favorable reimbursement policies[2][5].

Market Projections

Future Growth and Trends

The acetazolamide market is expected to continue growing, driven by several trends:

  • Growing Prevalence of Glaucoma: The rising aging population and increasing urbanization will continue to drive the demand for acetazolamide in glaucoma treatment[2][3].
  • Expansion into Emerging Markets: There is significant growth potential in developing countries, where access to healthcare and awareness of treatable conditions are increasing[2][5].
  • Development of Targeted Therapies: Precision medicine approaches and new drug delivery systems are expected to enhance the market's growth potential[2][5].

Challenges and Opportunities

While the market is poised for growth, there are challenges to be addressed, such as the need to reduce side effects and the increasing competition from biosimilar manufacturers. However, these challenges also present opportunities for innovation and expansion into new therapeutic areas[2][5].

Key Takeaways

  • Clinical Trials: Recent trials like the ADVOR trial have shown promising results for acetazolamide in decompensated heart failure, and ongoing trials are exploring its use in other indications.
  • Market Growth: The global acetazolamide market is projected to grow significantly, driven by the increasing prevalence of glaucoma, altitude sickness, and other conditions.
  • Key Drivers: The aging population, urbanization, advancements in drug delivery systems, and government support are key drivers of market growth.
  • Regional Dominance: North America and Europe are leading regions due to high prevalence rates and strong healthcare infrastructure.
  • Future Trends: The market will continue to grow with a focus on targeted therapies, expansion into emerging markets, and the development of new formulations.

FAQs

What is the primary use of acetazolamide in clinical settings?

Acetazolamide is primarily used to treat conditions such as glaucoma, altitude sickness, epilepsy, and decompensated heart failure.

What were the key findings of the ADVOR trial?

The ADVOR trial found that adding acetazolamide to loop diuretic therapy resulted in a higher incidence of successful early decongestion in patients with acute decompensated heart failure compared to placebo[1].

Which regions dominate the acetazolamide market?

North America and Europe are the dominant regions in the acetazolamide market due to the high prevalence of glaucoma and altitude sickness, as well as strong healthcare infrastructure[2][5].

What are the key drivers of the acetazolamide market growth?

The key drivers include the aging population, urbanization, advancements in drug delivery systems, and government support for research and development[2][3][5].

What is the projected market size of acetazolamide by 2030?

The global acetazolamide market is projected to reach USD 436.71 million by 2030, exhibiting a CAGR of 6.47% during the forecast period[5].

Are there any ongoing clinical trials exploring new indications for acetazolamide?

Yes, there are ongoing clinical trials exploring the use of acetazolamide in conditions such as type 1 diabetes, normal pressure hydrocephalus (NPH), and peri-calcification edema in neurocysticercosis (NCC)[3][4].

Sources

  1. Acetazolamide in Decompensated Heart Failure With Volume Overload - ADVOR. American College of Cardiology. Updated August 25, 2023.
  2. Acetazolamide Drug Market's Strategic Roadmap: Insights for 2025. Data Insights Market. December 28, 2024.
  3. Global Acetazolamide Market to Surpass US$ 279.0 Million by 2026. GlobeNewswire. December 27, 2018.
  4. Acetazolamide in Persons with Type 1 Diabetes. UCSD Diabetes Clinical Trials. December 18, 2024.
  5. Acetazolamide Market Size & Share 2025-2030. 360iResearch. December 2024.

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