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T-PLAQUE
RecruitingPhase 4Effect of Tirzepatide on Progression of Coronary Atherosclerosis Using MDCT
Lead sponsor
Asset
Tirzepatide
Subcutaneous · GLP-1 / GIP dual
Listed sites
1
Recruiting sites
1
Enrollment
120
estimated
Study population
Cardiovascular disease, Obesity / overweight, Type 2 diabetes
Key I/E criteria
•BMI ≥25•HbA1c 7-10.5%
Primary endpoint
•Total non-calcified coronary plaque volume
Footprint
Where this trial recruits
Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.
Identifiers
Registered as
Timeline
Milestones
Assets
Investigational agents
Study populations
Who this study enrolls
Eligibility
Who can enroll
Inclusion criteria
1. Male or female 40 years to 80 years of age at signing of informed consent
2. Type 2 DM of minimum 5 years duration with HbA1c ≥7.0% to ≤10.5%
3. Body mass index (BMI) ≥25 kilograms per meter squared (kg/m²)
4. Presence of two discrete coronary artery plaques with visual diameter stenosis >20% on CCTA
5. At the baseline visit, participants must be on a stable (>4 weeks) regiment of diabetes medications.
6. Patients using oral hormonal contraceptives must switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation and for 4 weeks after each dose escalation
Exclusion criteria
1. Have had a major cardiovascular event within the last 60 days
2. Have type 1 diabetes mellitus
3. Current use of GLP1-RA
4. Have a history of severe hypoglycemia and/or hypoglycemia unawareness within the last 6 months
5. Are currently planning treatment for diabetic retinopathy and/or macular edema
6. Have history of, or currently planning a coronary, carotid, or peripheral artery revascularization (ie - stent, bypass)
7. Have a history of pancreatitis
8. Have a history of ketoacidosis or hyperosmolar state/coma
9. Have a known clinically significant gastric emptying abnormality, have undergone or currently planning any gastric outlet obstruction, or have undergone or currently planning any gastric bypass (bariatric) surgery or restrictive bariatric surgery
10. Have a history of an active or untreated malignancy or are in remission from a clinically significant malignancy for less than 5 years
11. Have a family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN-2)
12. Have had a blood transfusion or severe blood loss within 90 days prior to screening or have known hematological conditions that may interfere with HbA1c measurement
13. Planned or Prior Bypass surgery
14. Contradiction for CCTA (e.g. serious allergic reaction to the contrast dye) or CCTA not meeting entry standards after two attempts during the Baseline CCTA visit as assessed by the imaging core lab.
15. Uncontrolled severe hypertension: systolic blood pressure > 180 mmHg or diastolic BP > 100 mm Hg prior to randomization (assessed at the screening visit) despite antihypertensive therapy
16. Heart Failure NYHA Class III or IV at the screening visit
17. Renal insufficiency (eGFR <40 ml/min/1.73m2) as measured by the Modification of Diet in Renal Disease (MDRD) formula at the screening visit.
18. Hospitalization for major cardiovascular event including heart failure in the past 2 months
Endpoints (4)
What's being measured
Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.
Coverage by outcome category
Cardiovascular outcomes
1 endpointReduction of total non-calcified coronary plaque volume
Time frame:12 months
change from baseline, improvement
Glycemic / diabetes
1 endpointChange in HgA1c lab values in the blood.
Time frame:12 months
HbA1c, change
change from baseline, improvement
LOINC 4548-4
Cardiometabolic biomarkers
2 endpointsReduction of low attenuation plaque volume
Time frame:12 months
change from baseline, improvement
Reduction of total plaque volume, fibrous, lipid-rich and calcified plaque volumes using CCTA
Time frame:12 months
change from baseline, improvement
Publications (1)
Bibliography
Records linked to this trial through ClinicalTrials.gov references, PubMed NCT search, and curated study seeds. 'Canonical' marks design/result papers; others are registry references or candidates.
Registry references + supporting bibliography
- American heart journal2024 Dec (month)PMID39187147doi:10.1016/j.ahj.2024.08.015via pubmed acronym asset candidate
Provenance
Sources
Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.