Could an asthma drug shield young hearts and kidneys from diabetes damage?
NCT ID NCT07409714
First seen Jun 27, 2026 · Last updated Sep 10, 2026 · Updated 2 times
Summary
This study tests whether montelukast, a medicine used for asthma, can help protect the kidneys and blood vessels in 50 teens and young adults (ages 14-24) with type 2 diabetes. The drug works by blocking harmful inflammatory chemicals linked to diabetes complications. Researchers will measure changes in kidney blood flow and artery health over 6 months to see if this approach could reduce long-term risks.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2026
- Expected to finish
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Feb 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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14 to 24 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age 14-24 years * Tanner stage \>2 * Diabetes onset \<18 years of age and \<10 years duration prior to study start * HgbA1c \<10% * Blood pressure \<130/80 mm Hg prior to randomization * Stable anti-hypertensive regimen for at least one month prior to randomization * BMI \< 40 kg/m2 * If on SGLT2 inhibitor, ACEi/ARB or GLP-1RA, stable dose for 4 weeks * Patient or guardian able to provide consent Exclusion Criteria: * T1D * Episode of diabetic ketoacidosis or hyperosmolar hyperglycemia within 60 days * Uncontrolled hypertension * eGFR \<30 ml/min/1.73m2 * Macroalbuminuria with urine albumin to creatinine ratio \>300 mg/g * 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 * Iodine or shellfish allergy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Colorado
RECRUITINGAurora, Colorado, 80010, United States
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