- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03266809
CARdiac Function Evaluation in Breast Cancer Patients (CARE-B)
Longitudinal Characterisation of Cardiac Function in Recently-diagnosed Breast Cancer Patients
Study Overview
Status
Conditions
Detailed Description
This study will focus on the following:
- Cardiac function assessment: The conventional method for assessing heart function (in terms of 'ejection fraction') in patients being treated for cancer uses nuclear medicine (MUGA scan). MRI can also provide this information but it is not typically used for cardiac function assessment in these patients. MUGA scans are typically performed before chemotherapy in selected patients at higher risk of cardiotoxicity and in all cases before starting anti-HER2 antibody treatment (trastuzumab, pertuzumab). Patients receiving anti-HER2 antibody treatment receive repeat cardiac assessments at 3-4 month intervals until the completion of treatment - it is not practical or cost-effective to scan more frequently. This study will determine whether an alternative and inexpensive method for monitoring heart function (Impedance Cardiography, ICG) can adequately quantify changes in ejection fraction during treatment. If it can, then this technique could be used more frequently during and following treatment, with the aim of determining the treatment stages during which the heart is most at risk of damage. The ability of ICG to dynamically characterise a relatively rapid decline in cardiac function in breast cancer patients has not been established. Neither has its performance been compared with MRI or MUGA in this population. This study will investigate whether ICG is a sufficiently accurate and reliable alternative to MRI/MUGA for determining cardiac dysfunction during and following cancer treatment.
- Cardiac rhythm and autonomic function assessment: Heart rate variability (HRV) reflects the modulation of the heart by the autonomic nervous system, and it can be quantified using several different methods based on analysis of the temporal changes between successive heartbeats. The development of autonomic dysfunction in breast cancer patients has been shown in a few small clinical studies, but the majority of these studies have considered HR rather than HRV, which is a much less robust measure of autonomic function. The few studies that have used HRV analysis have demonstrated significant reductions in HRV following the completion of anthracycline-based therapy. Previous research on other ECG markers (e.g. QT and QRS duration) in breast cancer patients has mainly focused on anthracycline-based regimes; the influence of trastuzumab treatment on ECG makers has been evaluated in only two studies to date. It is still not clear whether these changes can predict subsequent LV dysfunction although QT variability is a possible marker of myocardial contractility and has been shown to increase as a result of anthracycline therapy in breast cancer patients. This study aims to characterise the impact of different treatment regimes on the temporal properties of the ECG and will compare beat-to-beat QT variability and beat-to-beat T wave variability in breast cancer patients receiving a range of treatment regimes.
- Body composition and cardiorespiratory fitness assessment: This study also aims to characterise the patterns of change in body composition, physical activity and cardiorespiratory fitness in breast cancer patients. The study will examine whether these modifiable factors might influence a patient's susceptibility to cardiac changes during treatment and, in turn, how these factors are affected by treatment. Of particular interest, it has been suggested that cardiorespiratory fitness (measured by the rate of oxygen uptake) is impaired in breast cancer patients compared to healthy controls, even seven years following the completion of treatment. Oxygen-uptake analysis will be performed in this study to explore possible compensatory mechanisms for abnormal pathology- or treatment-induced cardiac function in breast cancer patients. Fitness, physical activity and body composition will be assessed quantitatively using a range of objective techniques, including cardiopulmonary exercise testing on a cycle ergometer (fitness) with breath-by-breath gas analysis (cardiorespiratory function), accelerometery (activity levels) and DEXA radiography scans (body composition).
The main research questions in this study are:
- Is the CARE-B protocol practically feasible and tolerable to early-stage breast cancer patients?
- What is the level of agreement between cardiac (ventricular) function determined using cardiac MRI, MUGA and Impedance Cardiography in breast cancer patients receiving SAT?
- Is cardiac rhythm (heart rate and QT variability) altered in breast cancer patients receiving SAT?
- Is oxygen transport and oxygen uptake into tissue altered in breast cancer patients receiving SAT?
- Does a patient's baseline physical activity, fitness and body composition affect their susceptibilities to treatment-induced cardio-respiratory problems?
- Does a patient's physical activity, physical fitness and body composition change appreciably during SAT in these patients?
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Wales
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Swansea, Wales, United Kingdom, SA2 8PP
- Singleton Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
Eligible participants will be women aged 18 years or over with the following characteristics:
- Early invasive breast cancer (stage I-III)
- Due to start adjuvant or neoadjuvant therapy including either anthracycline-based chemotherapy, or chemotherapy + trastuzumab +/- pertuzumab
- WHO performance status <=2
- Absence of major cardiovascular or chronic respiratory problems, or other conditions that in the opinion of the clinician would contraindicate the use of physical exercise assessments
- Absence of contraindications for MRI scans, as listed in Paragraph 3.3. Patients unsuitable or unwilling to undergo MRI scans will be eligible for the study only if they are planned to receive trastuzumab, since this will include LVEF monitoring with MUGA scans or echocardiograms as part of routine care
- Provision of signed informed consent.
Exclusion Criteria:
- Presence of major cardiovascular or chronic respiratory problems, or other conditions that in the opinion of the clinician would contraindicate the use of treadmill exercise assessments
Presence of contraindications for MRI scans:
- Internal electronic devices such as neurostimulators or defibrillators
- Replacement heart valve
- Cardiac pacemaker
- Intracranial vessel clips
- Internal ear implant
- Claustrophobia
- Pregnancy.
MRI scans will be requested by a clinician after the exclusion of the above contraindications. Patients unsuitable or unwilling to undergo MRI scans will be eligible for the study only if they are planned to receive trastuzumab, since this includes LVEF monitoring with MUGA scans or echocardiograms as part of routine care.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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Breast Cancer Patients
Eligible participants will be women aged 18 years or over who have the following main characteristics:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cardiac Function (stroke volume or ejection fraction)
Time Frame: At completion of treatment, an average of 13 months
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Cardiac function during/following treatment in breast cancer patients.
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At completion of treatment, an average of 13 months
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Cardiac Rhythm (heart rate variability)
Time Frame: At completion of treatment, an average of 13 months
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Cardiac rhythm during/following treatment in breast cancer patients.
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At completion of treatment, an average of 13 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Physical activity level (accelerometer-based activity level 'counts')
Time Frame: At completion of treatment, an average of 13 months
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Physical activity level during/following treatment in breast cancer patients.
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At completion of treatment, an average of 13 months
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Cardiorespiratory function (rate of respiratory oxygen uptake)
Time Frame: At completion of treatment, an average of 13 months
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Cardiorespiratory function during/following treatment in breast cancer patients.
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At completion of treatment, an average of 13 months
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Body mass composition (from DEXA scan)
Time Frame: At completion of treatment, an average of 13 months
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Body fat mass and fat-free mass, and bone mineral density
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At completion of treatment, an average of 13 months
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Director: Professor Lewis, Swansea University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 188676
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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