Effect of Montelukast on Kidney and Vascular Function in Type 1 Diabetes
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05498116 |
Recruitment Status :
Recruiting
First Posted : August 11, 2022
Last Update Posted : April 20, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Albuminuria | Drug: Montelukast Other: Placebo | Phase 4 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 50 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Effect of Montelukast on Kidney and Vascular Function in Type 1 Diabetes |
Actual Study Start Date : | January 26, 2023 |
Estimated Primary Completion Date : | October 2025 |
Estimated Study Completion Date : | October 2025 |

Arm | Intervention/treatment |
---|---|
Placebo Comparator: Placebo
One capsule daily
|
Other: Placebo
1 capsule daily |
Experimental: Montelukast
One 10mg capsule daily
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Drug: Montelukast
10mg daily |
- Change in Albuminuria [ Time Frame: Baseline, 6 months ]Change in albuminuria from baseline to 6 months
- Change in Brachial artery flow mediated dilation (FMD) [ Time Frame: Baseline, 6 months ]Change in FMD from baseline to 6 months
- Change in Large Elastic Artery Stiffness [ Time Frame: Baseline, 6 months ]Change in aortic pulse wave velocity from baseline to 6 months

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Ages Eligible for Study: | 18 Years to 80 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age 18-80 years
- Type 1 diabetes for at least 5 years
- Urine albumin to creatinine ratio 30-5000 mg/g on first morning void
- eGFR 30-89 ml/min/1.73m2 at time of screening
- Blood pressure <140/90 mm Hg prior to randomization
- Use of angiotensin converting enzyme inhibitor or angiotensin receptor blocker with stable dose for 4 weeks
- BMI < 40 kg/m2 (FMDBA measurements can be inaccurate in severely obese patients).
- Stable anti-hypertensive regimen for at least one month prior to randomization
- Stable regimen of insulin delivery, i.e. automated insulin delivery (AID) system or multiple daily injections) 4 weeks prior to randomization
- Sedentary or recreationally active (≤2 days of vigorous aerobic exercise as vigorous exercise may affect vascular function measurements)
- Able to provide consent
Exclusion Criteria:
- Significant comorbid conditions that lead the investigator to conclude that life expectancy is less than 1 year
- Uncontrolled hypertension
- Factors judged to limit adherence to interventions
- Anticipated initiation of dialysis or kidney transplantation within 6 months
- Current participation in another research study
- Pregnancy or planning to become pregnant or currently breastfeeding
- Allergy to aspirin
- Severe hepatic impairment (Child-Pugh Class C)
- History of major psychiatric disorder
- Use of inhaled or systemic corticosteroids or long-acting beta agonists (higher risk of neuropsychiatric reaction)
- Penicillin allergy
- Iodine allergy
- Shellfish allergy
- Current use of phenobarbital, rifampin or carbamazepine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05498116
Contact: Jessica Kendrick | 3037244837 | Jessica.Kendrick@cuanschutz.edu |
United States, Colorado | |
University of Colorado Anschutz Medical Campus | Recruiting |
Aurora, Colorado, United States, 80045 | |
Contact: Jessica Kendrick, MD 303-724-4837 jessica.kendrick@cuanschutz.edu |
Principal Investigator: | Jessica Kendrick, MD | University of Colorado Denver | Anschutz |
Responsible Party: | University of Colorado, Denver |
ClinicalTrials.gov Identifier: | NCT05498116 |
Other Study ID Numbers: |
22-1027 |
First Posted: | August 11, 2022 Key Record Dates |
Last Update Posted: | April 20, 2023 |
Last Verified: | April 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
Albuminuria Proteinuria Urination Disorders Urologic Diseases Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Urogenital Diseases Male Urogenital Diseases Urological Manifestations Montelukast |
Anti-Asthmatic Agents Respiratory System Agents Leukotriene Antagonists Hormone Antagonists Hormones, Hormone Substitutes, and Hormone Antagonists Physiological Effects of Drugs Cytochrome P-450 CYP1A2 Inducers Cytochrome P-450 Enzyme Inducers Molecular Mechanisms of Pharmacological Action |