Breast Cancer Clinical Trial
Using Hyperpolarized [1-13C]Pyruvate to Detect Cardiotoxicity
Summary
The anthracycline doxorubicin, first introduced in the 1960's, continues to be an effectively utilized antineoplastic drug. Even at relatively low cumulative doses there is risk of cardiotoxicity. However, the incidence of subclinical cardiotoxicity is not known, carrying a potential risk for late effects in cancer survivors. Doxorubicin has systemic toxicity that may contribute to cardiac metabolic stress, but the main cardiotoxic mechanism involves cardiac mitochondria. The goal of this study is to detect early changes in the mitochondrial metabolism in situ as a marker for subclinical doxorubicin induced cardiotoxicity.
Full Description
This is a prospective, single-center study in women and men with breast cancer requiring cardiotoxic therapy. The study will be conducted in parallel to the standard clinical care, at dedicated visits.
In this study patients will undergo a cardiac magnetic resonance (MR) signal detection after injection of hyperpolarized carbon-13 pyruvate. The study will be performed before the course of cardiotoxic therapy, and after completing the treatment.
Patients will be screened prior to enrollment based on study specific inclusion and exclusion criteria and MRI safety criteria.
On the day of the metabolic cardiac MR scan an IV line will be inserted and the participant will receive a bolus of oral glucose. The ingestion of glucose will be required to prepare the state of the heart for metabolic imaging. Following this preparation the participant will undergo a cardiac MR study of about 45 minutes, including carbon-13 dedicated sequences.
A separate dedicated cardiac MRI session may be completed in certain participants.
In part I 10 patients will be administered at two visits 1) after completion of cardiotoxic therapy and 2) 1 to 6 months after the first time point following medical therapy (SOC)
In part II up to 100 patients will be administered at two visits: 1) baseline MRI before administration of cardiotoxic therapy and 2) after completion of cardiotoxic therapy
Eligibility Criteria
Inclusion Criteria:
Female or male with breast cancer tissue diagnosis.
Plan for treatment as cardiotoxic therapy. Patients for the feasibility study must be post cardiotoxic therapy, and patients for the formal study should not have started the cardiotoxic therapy yet.
Age ≥ 18 years
Ability to understand and the willingness to sign a written informed consent
While all races and ethnicities will be included, subjects must be able to read and speak the English language, and or, the Spanish Language.
Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.
A female of childbearing potential is any woman (regardless of sexual orientation, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria:
Has not undergone a hysterectomy or bilateral oophorectomy; or
Has not been naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months).
- Males must be surgically sterile or have a female partner using an acceptable method of contraception.
Acceptable surgical sterilization techniques are vasectomy with surgery at least 6 months prior to dosing. Males must also refrain from sperm donation during the study and for 6 months following discontinuation of treatment.
Acceptable methods of contraception for female partners of childbearing potential are an intrauterine device, contraceptive implant, and a barrier method (eg. Condom, diaphragm, cervical cap) during the study and for 6 months after patient discontinuation of treatment.
Exclusion Criteria:
Patients for the feasibility study must be post cardiotoxic therapy
Known Type 1 or Type 2 diabetes.
Subjects who are receiving any other investigational agents that are not compatible with the study.
Subjects with known remote, macro, metastases will be excluded from this clinical trial because of their poor prognosis.
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
Any contraindication per MRI Screening Form (Appendix A attached) including, but not limited to:
Metal Implants and devices contraindicated at 3T.
Breast tissue expanders.
Non-MR compatible IV port.
Claustrophobia.
Female subjects who are already pregnant.
Sickle cell disease
Hemolytic anemia
If the subject agrees to doing a cardiac function MRI scan with gadolinium based contrast agent intravenously:
eGFR ≤ 30 mL/min/1.73m2
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There is 1 Location for this study
Dallas Texas, 75390, United States
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