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T2DM (Type 2 Diabetes Mellitus)Phase 4STABLE-GLP1NCT07314684

GLP1-RAs Effects on Inflammatory and Endothelial Biomarkers in T2DM

A Phase 4 study testing semaglutide and Standard Treatment (Guideline-Based) in people with T2DM (Type 2 Diabetes Mellitus), run by Federico II University at 2 sites in Italy.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

Type II diabetes mellitus (T2DM) is a chronic disease associated with a very high risk of developing cardiovascular (CV) events, especially because of its long-term effects. Glucagon-like-peptide-1 receptor agonists (GLP1-RAs) are recommended in subjects suffering from T2DM with a history or at risk for CV disease… Read more about this study

Who is it for?
Ages 18 to 85 years
Conditions the study is for
T2DM (Type 2 Diabetes Mellitus)
What is being tested?
semaglutide and Standard Treatment (Guideline-Based)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
80 participants
Where
2 sitesItaly
Study dates
8 Sep 2025to 8 Mar 2027
Phase
Phase 4
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 85 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 years.
  • Diagnosis of T2DM in patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10% with clinical indication in accordance with current guidelines [1] to initiate semaglutide therapy (level of evidence IIa).
  • Evaluable, pre-randomization CTA with no evidence of stenosis ≥50% of epicardial coronary vessels, as confirmed by the core laboratory, performed within 2 years prior to inclusion.
  • Stable clinical conditions, with controlled blood pressure, lipid profile, and glycemic values, based on assessments performed within 4 weeks prior to inclusion.
  • Stable antidiabetic treatment for at least 6 weeks.
  • Left ventricular ejection fraction ≥50%.
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  • For female participants, the participant must not be pregnant or lactating and must be of non-childbearing potential, confirmed at enrollment by one of the following:
  • Postmenopausal, defined as amenorrhea for ≥12 months following cessation of fall exogenous hormonal treatments, and with luteinizing hormone and follicle stimulating hormone levels in the postmenopausal range. (b) Documentation of irreversible surgical sterilization by hysterectomy bilateral oophorectomy, or bilateral salpingectomy. Tubal ligation is not considered as irreversible surgical sterilization.
  • Ability to understand study procedures and sign informed consent.

Who cannot join

  • Participants are excluded from the study if any of the following criteria apply:
  • Age > 85 years.
  • Previous treatment with semaglutide or GLP1-RAs.
  • Patients with stenosis of epicardial coronary arteries ≥50%.
  • eGFR <45 mL/min/1.73 m2 irrespective of albuminuria or eGFR 45-59 mL/min/1.73 m2 and microalbuminuria (UACR 30-300 mg/g; stage A2) or proteinuria (UACR >300 mg/g; stage A3) or presence of microvascular disease in at least three different sites [e.g. microalbuminuria (stage A2) plus retinopathy plus neuropathy], based on assessments performed within 4 weeks prior to inclusion.
  • History of any clinically important disease or disorder which, in the opinion of the investigator, may either put the participant at risk because of participation in the study, or influence the results or the participant's ability to participate in the study.
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  • Any history of ASCVD.
  • Ongoing New York Heart Association Class IV (heart failure (HF).
  • Significant valvulopathy.
  • Type 1 diabetes mellitus.
  • Hypersensitivity to the active substance or to any of the excipients.
  • Known or suspected liver disease, defined by serum transaminase and alkaline phosphatase levels 3 times the normal level.
  • Patients with acute inflammatory or infectious diseases during the 3 months prior to inclusion in the study.
  • Patients with chronic inflammatory, immune or infectious diseases.
  • Patients with a history of cancer within the past 5 years.
  • History of alcohol, drug or medication abuse.
  • Patients exposed to any other type of radiation, medical or professional.
  • Clinically relevant haematological disorders.
  • Decompensated metabolic disorders.
  • Abuse of alcohol or drugs in the previous 3 months.

Trial locations and contacts

2 sites in 1 country. Contact the study team or a site near you to ask about taking part.

Italy2 sites, 2 recruiting
  • Azienda Ospedaliera Sant'Anna e San Sebastiano

    Caserta, Caserta, 81100

    Felice Gragnano, 00000, FELICE.GRAGNANO@unicampania.it

    Recruiting
  • Federico II University

    Naples, Napoli, 80131

    Pasquale Perrone Filardi, 0817462224, fpperron@unina.it

    Recruiting

Other trials in Italy

About this study

Official title: Impact of GLP1-RAs on Inflammation and Endothelial biomarkerS in Type 2 diABetes meLlitus patiEnts: STABLE-GLP1 Trial

Type II diabetes mellitus (T2DM) is a chronic disease associated with a very high risk of developing cardiovascular (CV) events, especially because of its long-term effects. Glucagon-like-peptide-1 receptor agonists (GLP1-RAs) are recommended in subjects suffering from T2DM with a history or at risk for CV disease; however there is a lack of evidence on local actions of GLP1-RAs on inflammation and endothelial function.

The STABLE-GLP1 study aims to evaluate, in patients with T2DM without atherosclerotic cardiovascular disease (ASCVD) or severe target-organ damage (TOD), the possible beneficial effect of semaglutide, a GLP1-AR, on clinical prognosis, inflammatory and endothelial biomarkers.

The STABLE-GLP1 trial is a phase IV interventional, national, multicenter, randomized, pragmatic study, aiming at enrolling 80 patients with T2DM and no ASCVD. Participants will be randomized in 1:1 ratio to receive semaglutide in addition to standard therapy or standard therapy alone, according to body mass index (BMI) category (BMI <30 vs. ≥30 kg/m²). All patients will perform clinical visit, ECG, echocardiography, blood sample collection for endothelial and inflammatory biomarkers dosage at baseline, at 26 weeks, and after 52 weeks of treatment. Data from CTA, performed according to clinical practice before enrollment, will be recorded and retrospectively evaluated to test secondary outcomes.

Being tested
semaglutide, Standard Treatment (Guideline-Based)
Keywords
Type 2 Diabetes Mellitus, Semaglutide, Inflammation, Endothelial function, Biomarkers, Coronary Plaque
Medical subject headings
Diabetes Mellitus, Type 2, Inflammation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • semaglutideDrug

    The starting dose is 0.25 mg semaglutide once weekly. After 4 weeks the dose should be increased to 0.5 mg once weekly. After at least 4 weeks with a dose of 0.5 mg once weekly, the dose can be increased to 1 mg once weekly to further improve glycaemic control.

  • Standard Treatment (Guideline-Based)Drug

    Patients will receive standard therapy for T2DM according to standard clinical practice (Guideline-Based). This might include Biguanides, Insulins, Sulfonylureas, SGLT2 inhibitors, Thiazolidinediones, Alpha-glucosidase inhibitors, or DPP-4 inhibitors.

Study groups in NCT07314684
Study groupRoleWhat they receive
Semaglutide in addition to standard therapyExperimentalNot described
Receives: Drug: semaglutide; Drug: Standard Treatment (Guideline-Based)
Standard therapy aloneExperimentalNot described
Receives: Drug: Standard Treatment (Guideline-Based)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To evaluate the effects of semaglutide in addition to standard therapy on inflammatory biomarkers compared with standard therapy alone in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Regarding this endpoint, the change in inflammatory biomarkers involved in atherogenesis at follow-up compared to baseline will be evaluated in both treatment arms. Inflammatory biomarkers will be measured in serum using an appropriately validated immunoassay (ELISA - enzyme-linked immunosorbent assay). Inflammatory biomarkers include C-reactive protein (CRP), interleukins (IL-1β, IL-6, IL-10), colony-stimulating factors (M-CSF), tumor necrosis factors (TNF-α), interferons (IFN-γ), transforming growth factors (TGF-β), and adiponectin, all measured in picograms per milliliter (pg/mL).

    Measured: From enrollment to the end of treatment at 52 weeks

  2. To evaluate the effects of semaglutide in addition to standard therapy on biomarkers of endothelial dysfunction compared with standard therapy alone in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Regarding this endpoint, the change in biomarkers involved in endothelial dysfunction at follow-up compared to baseline will be evaluated in both treatment arms. Biomarkers of endothelial dysfunction will be measured in serum using an appropriately validated immunoassay (ELISA - enzyme-linked immunosorbent assay), and include soluble endothelin-1 (ET-1), intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), E-selectin, and P-selectin, all measured in nanograms per milliliter (ng/mL).

    Measured: From enrollment to the end of treatment at 52 weeks

Secondary outcomes (9)
  1. To retrospectively evaluate fat attenuation index (FAI) at CTA in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Regarding this endpoint, data from CTA, performed according to clinical practice before enrollment, will be recorded. FAI will be evaluated retrospectively using dedicated software and measured in Hounsfield Units (HU).

    Measured: At baseline retrospectively

  2. To retrospectively evaluate characteristics of subclinical atherosclerotic coronary plaques at CTA in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Regarding this endpoint, data from CTA, performed according to clinical practice before enrollment, will be recorded. Coronary plaque size will be evaluated retrospectively using dedicated software and measured as a percentage (%).

    Measured: At baseline retrospectively

  3. To correlate FAI in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10% to biomarkers evaluated at baseline.

    Data from CTA, performed according to clinical practice before enrollment, will be recorded. This outcome measure evaluates the correlation between FAI (measured in Hounsfield Units) at CTA and circulating biomarkers measured at baseline (ng/mL or pg/mL). Correlation will be assessed using Pearson or Spearman correlation coefficients, as appropriate.

    Measured: At baseline

  4. To correlate characteristics of subclinical atherosclerotic coronary plaques at CTA in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10% to biomarkers evaluated at baseline.

    Data from CTA, performed according to clinical practice before enrollment, will be recorded. This outcome measure evaluates the correlation between coronary plaque size (%) at CTA and circulating biomarkers measured at baseline (ng/mL or pg/mL). Correlation will be assessed using Pearson or Spearman correlation coefficients, as appropriate.

    Measured: At baseline

  5. To correlate FAI at CTA to biomarkers evaluated at 52 weeks in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Data from CTA, performed according to clinical practice before enrollment, will be recorded. This outcome measure evaluates the correlation between FAI (measured in Hounsfield Units) at CTA and circulating biomarkers measured at 52 weeks (ng/mL or pg/mL). Correlation will be assessed using Pearson or Spearman correlation coefficients, as appropriate.

    Measured: From enrollment to the end of treatment at 52 weeks

  6. To correlate characteristics of subclinical atherosclerotic coronary plaques at CTA to biomarkers evaluated at 52 weeks in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Data from CTA, performed according to clinical practice before enrollment, will be recorded. This outcome measure evaluates the correlation between coronary plaque sizes (%) at CTA and circulating biomarkers measured at 52 weeks (ng/mL or pg/mL). Correlation will be assessed using Pearson or Spearman correlation coefficients, as appropriate.

    Measured: From enrollment to the end of treatment at 52 weeks

  7. To associate FAI at CTA with the incidence of MACE evaluated at 52 weeks in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Data from CTA, performed according to clinical practice before enrollment, will be recorded. This outcome measure evaluates the association between FAI (measured in Hounsfield Units) at CTA and the occurrence of major adverse cardiovascular events (MACE) during the follow-up period. MACE will be analyzed as a binary outcome (presence/absence) and reported as incidence (% of patients with at least one event). The association between baseline FAI and MACE will be assessed using logistic regression and/or Cox proportional hazards models (time-to-first event), as appropriate.

    Measured: From enrollment to the end of treatment at 52 weeks

  8. To assess the safety of semaglutide in addition to standard therapy compared with standard therapy alone in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Concerning this endpoint, safety will be measured as the percentage (%) of patients reporting adverse events and/or serious adverse events, and analyzed in both treatment arms.

    An adverse event is any untoward medical occurrence in a patient or clinical study participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse events can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom or disease (new or exacerbated) temporally associated with the use of a medicinal product, whether or not considered drug related.

    A Serious Adverse Event or reaction is any untoward medical occurrence that, at any dose, results in death, is lifethreatening, requires hospitalisation or prolongation of existing hospitalisation, results in persistent or significant disability or incapacity, or is a congenital anomaly or birth defect.

    Measured: From enrollment to the end of treatment at 52 weeks

  9. To assess the tolerability of semaglutide in addition to standard therapy compared with standard therapy alone in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%.

    Concerning this endpoint, tolerability will be assessed primarily through treatment discontinuation rates and analyzed in both treatment arms. Discontinuation rates will be measured as the percentage (%) of patients discontinuing treatment.

    Measured: From enrollment to the end of treatment at 52 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Jan 2026
  2. Study start8 Sep 2025
  3. Primary completion8 Mar 2027 (estimated)
  4. Study completion8 Mar 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Phase IV low-interventional, Italian, multicenter, randomized, pragmatic clinical trial
Masking
None (open label)
Enrolment
80 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07314684
Sponsor's protocol ID
P2022TF9AH
Other IDs
2025-520802-37-00, 2025
Acronym
STABLE-GLP1
Status last verified
Dec 2025
First submitted
16 Nov 2025
Last updated
2 Jan 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Marx N, Federici M, Schutt K, Muller-Wieland D, Ajjan RA, Antunes MJ, Christodorescu RM, Crawford C, Di Angelantonio E, Eliasson B, Espinola-Klein C, Fauchier L, Halle M, Herrington WG, Kautzky-Willer A, Lambrinou E, Lesiak M, Lettino M, McGuire DK, Mullens W, Rocca B, Sattar N; ESC Scientific Document Group. 2023 ESC Guidelines for the management of cardiovascular disease in patients with diabetes. Eur Heart J. 2023 Oct 14;44(39):4043-4140. doi: 10.1093/eurheartj/ehad192. No abstract available.

    PubMed 37622663

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing semaglutide and Standard Treatment (Guideline-Based) in people with T2DM (Type 2 Diabetes Mellitus), run by Federico II University at 2 sites in Italy.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 2 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Italy. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Each site lists its own contact: choose the nearest one under Trial locations. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To evaluate the effects of semaglutide in addition to standard therapy on inflammatory biomarkers compared with standard therapy alone in T2DM patients without ASCVD or severe TOD but with SCORE2-Diabetes ≥10%. (time frame: From enrollment to the end of treatment at 52 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07314684, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Jan 2026.

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