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Massive study reveals best Second-Line diabetes meds for heart and kidney protection

NCT ID NCT05220917

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 781,430 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2021

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

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

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

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02120, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.