Massive study reveals best Second-Line diabetes meds for heart and kidney protection
NCT ID NCT05220917
First seen Jun 27, 2026 · Last updated Aug 14, 2026 · Updated 2 times
Summary
This study looks at health records from over 780,000 people with type 2 diabetes to compare four common second-line medications: SGLT2 inhibitors, GLP-1 receptor agonists, DPP-4 inhibitors, and sulfonylureas. The goal is to see which drug class is most effective at preventing heart attacks, strokes, heart failure, and kidney problems. Participants are adults with type 2 diabetes who are already taking metformin and have low to moderate heart risk.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 781,430 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2021
- Expected to finish
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Sep 2027
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.
Who is studied
Optum and MarketScan databases are U.S. research claims databases that include adults with employer-based health plans, with nationwide coverage for over 60 million Americans, and meaningful numbers of patients ≥65 years from Medicare Advantage plans, employer-sponsored plans covering seniors, and Medicare supplemental insurance plans. Medicare FFS is a U.S. federal health insurance program providing coverage to individuals ≥65 years and to younger individuals with disabilities. The Partners RPDR captures longitudinal EHR data for all patients that receive care at 2 large health care provider networks in the Boston metro area. The VHA is the largest integrated national health system, serving over 12 million U.S. Veterans. The VHA database includes demographic, diagnostic and procedure information from inpatient/outpatient encounters. The CPRD is comprised of two large, computerized databases of longitudinal primary care records, GOLD and Aurum, for \>50 million UK patients.
- Ages
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18 years and older
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥ 18 years for Optum Cliniformatics, IBM Marketscan, CPRD, and VHA, and ≥ 65 years for Medicare FFS at cohort entry * At least 12 months of continuous health plan enrollment (only claims) or registration with a general practitioner (CPRD) before and including cohort entry * Diagnosis of T2D within 12 months before (or ever before in CPRD) and including cohort entry * Low or moderate cardiovascular (CV) risk (≤3% risk of CV events/year) at cohort entry \* * Metformin maintenance therapy, defined as 2 fills (or prescriptions in CPRD) of metformin monotherapy recorded within 6 months before and including cohort entry Exclusion Criteria: * Missing age or gender information * Nursing care admission within 12 months before and including cohort entry (criteria ignored in CPRD) * Diagnosis of type 1 diabetes within 12 months before and including cohort entry * Diagnosis of secondary or gestational diabetes within 12 months before and including cohort entry * Any insulin fill or prescription within 12 months before and including cohort entry * Diagnosis of end stage renal disease (stage ≥ 5) within 12 months before and including cohort entry * Diagnosis of acute or chronic pancreatitis within 12 months before and including cohort entry * Diagnosis of cirrhosis or acute hepatitis within 12 months before and including cohort entry * Diagnosis of MEN-2 within 12 months before and including cohort entry * Recorded solid organ transplant code within 12 months before and including cohort entry * Patients with recorded initiation of more than one agent within a comparator class at cohort entry
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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.
Contacts and locations
Locations
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Brigham and Women's Hospital
Boston, Massachusetts, 02120, United States
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Other studies related to the condition(s) this trial covers.
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