Actively Recruiting
Use of Dapagliflozin in Primary Prevention of Cardiotoxicity of Anthracycline Chemotherapy in Breast Cancer Patients
Led by University Medical Centre Ljubljana · Updated on 2025-11-24
100
Participants Needed
1
Research Sites
208 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The goal of this randomized, double-blind, placebo-controlled clinical trial is to determine whether dapagliflozin, a sodium-glucose cotransporter-2 (SGLT-2) inhibitor, can help prevent anthracycline-induced cardiotoxicity caused by anthracycline chemotherapy in adult women with breast cancer receiving (neo)adjuvant treatment. The main questions the study aims to answer are: i) Does dapagliflozin reduce the decline in left ventricular function (measured by LVEF, GLS, and myocardial work) during and after anthracycline therapy? ii) Does dapagliflozin lessen the deteriorating effect of chemotherapy on endothelial function and arterial stiffness? iii) Does dapagliflozin effect levels of cardiac injury and inflammation biomarkers (e.g., hs-troponin T, NT-proBNP, ST-2, GDF-15, galectin-3, IL-6, MPO)? Researchers will compare dapagliflozin 10 mg daily with placebo to see whether those receiving dapagliflozin experience less heart and vascular impairment during treatment. Participants will: * Take either dapagliflozin or placebo once daily during anthracycline chemotherapy. * Undergo heart and vascular ultrasound, and a 6-minute walk test before chemotherapy and again at 24 and 52 weeks. * Provide blood samples before, during and after chemotherapy to measure cardiac biomarkers. * Complete multiple questionnaires on quality of life.
CONDITIONS
Official Title
Use of Dapagliflozin in Primary Prevention of Cardiotoxicity of Anthracycline Chemotherapy in Breast Cancer Patients
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults 18 years or older
- Histologically confirmed breast cancer with planned (neo)adjuvant anthracycline-based chemotherapy (4 cycles of epirubicin + cyclophosphamide or doxorubicin + cyclophosphamide)
- Eligible to start dapagliflozin or placebo prior to or at initiation of chemotherapy
- Able to perform baseline echocardiography, vascular ultrasound (FMD and carotid stiffness), 6-minute walk test, and biomarker sampling
- Willing and able to provide written informed consent
You will not qualify if you...
- Known heart failure (any prior diagnosis of HF)
- Clinically significant valvular heart disease
- Prior exposure to chemotherapy or radiotherapy to the left chest
- Type 1 diabetes mellitus
- Symptomatic hypotension
- History of recurrent urinary tract infections
- History of diabetic ketoacidosis or ketonemia
- Severe hepatic impairment (ALT, AST, ALP >3× upper limit of normal)
- Severe renal impairment (eGFR <20 mL/min/1.73 m²)
- Known allergy or intolerance to SGLT-2 inhibitors
- Any use of SGLT-2 inhibitor therapy within 3 months prior to enrollment
- Pregnancy or breastfeeding
- Any condition that could interfere with study participation, safety, or completion according to investigator's judgment
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Trial Site Locations
Total: 1 location
1
University Medical Centre Ljubljana
Ljubljana, Slovenia, 1000
Actively Recruiting
Research Team
J
Jure Tršan
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
QUADRUPLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
PREVENTION
Number of Arms
2
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