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Study identifier: NCT06981234 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Recruiting

Acetazolamide in Persons With Type 1 Diabetes - Crossover Trial

Condition: Type 1 Diabetes  ·  Sponsor: University of California, San Diego

PhasePhase 2
Planned participants25
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNoCheck eligibility criteria ↓
WhereLa Jolla, California, United States

Interested? Contact the study team ↓

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

The goal of this study is to learn about the effect of the study drug acetazolamide in individuals with Type 1 Diabetes. Specifically, whether acetazolamide provides benefits to the kidneys while minimizing any side effects of the drug. These changes will be measured by laboratory tests that tell us how well the kidneys are functioning.

This description comes directly from the study's public registry record.

Talk to the study team

Todd May, MS  ·  858-246-2146  ·  t1dresearch@health.ucsd.edu

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: 1. Males and Females ≥ 18 years at the time of consent. 2. Individuals able to become pregnant of non-child bearing potential must be ≥ 1 year post-menopausal or documented as being surgically sterile. Individuals of child bearing potential must agree to use two methods of contraception during the entire study. 3. Individuals able to cause a pregnancy must be willing to use clinically acceptable method of contraception during the entire study. 4. Have a clinical diagnosis of Type 1 Diabetes on a stable medication regimen for at least 3 months. 5. eGFR (estimated glomerular filtration rate) ≥ 45ml/min/1.73m2 6. Serum bicarbonate ≥ 24 meq/L 7. Negative urine toxicology screen. 8. Able to provide written informed consent approved by an Institutional Review Board (IRB). Exclusion Criteria: 1. History of allergic reaction to acetazolamide, another carbonic anhydrase inhibitor, or any of the inactive ingredients in the acetazolamide tablets. 2. Liver disease (clinical diagnosis of cirrhosis by imaging of physician; \> 14 drinks/week; AST (Aspartate Transferase), ALT (Alanine Aminotransferase), or total bilirubin \> 2 times the upper limit of normal). 3. Serum hemoglobin A1c \> 10.0% 4. Serum hemoglobin concentration of \<8 g/dL. 5. Use of \> 4 anti-hypertensives, or systolic blood pressure \>160mm Hg at the screening visit. 6. Use of loop, thiazide or potassium sparing diuretics. 7. A medical condition requiring active surgical or medical intervention whose urgency would preclude participation in this study at the discretion of the site investigator (active cardiac or pulmonary conditions, ongoing ischemia or cardiac symptoms, uncorrected Coronary Artery Disease (CAD) or decompensated congestive heart failure (CHF)). 8. Institutionalized individual (prisoners, patients with signification mental illness, or nursing home residents). 9. Active pregnancy, breastfeeding, or planning to become pregnant during the study period. 10. Current participation in another clinical trial (observational studies are exempted) trial. 11. In the opinion of the investigators, inability to adhere to the study medical regimen or comply with recommendations. 12. Inability or unwillingness to travel to study visits.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (1)

UC San Diego Altman Clinical & Translational Research InstituteLa Jolla, California, United StatesRecruiting

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