Treating Breast Cancer Patients Undergoing Trastuzumab Treatment With Carvedilol to Reduce Incidence of Heart Failure

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

184 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-08-21

Study Completion Date

2027-02-28

Brief Summary

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Breast cancer patients undergoing trastuzumab-based HER2-directed therapy are at risk of heart function decline or heart failure symptoms, but it is unknown if, when, and for how long cardiovascular protective strategies, e.g. with a beta-blocker, could help. This study randomly assigns those taking curative-intent trastuzumab-based HER2-directed therapy to the beta-blocker carvedilol-either when significant heart function decline or subtle early signs of heart injury (either by elevation of a cardiac blood biomarker, i.e. cardiac troponin, or by an abnormal heart ultrasound marker, i.e. global longitudinal strain) are noted, or preventatively before beginning trastuzumab-based HER2-directed therapy. This study will further randomly assign those patients on carvedilol to either discontinuation at the end of trastuzumab-based HER2-directed therapy or continuation for another year, providing much needed clinical trial data on what the best strategy ("tactic") for those at risk of cardiotoxicity with trastuzumab-based HER2-directed therapy is.

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Detailed Description

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The objective of the current application is to evaluate different strategies of cardiovascular therapy with carvedilol, aiming to reduce the incidence of LVEF decline and HF in patients undergoing curative intent trastuzumab-based HER2-directed therapy for breast cancer. It will compare: a) a pre-emptive preventive approach, i.e. cardiovascular therapy with the beta-blocker carvedilol started before trastuzumab-based HER2-directed therapy and b) a reactive preventive approach, i.e. cardiovascular therapy started in response to early subclinical signs of cardiac dysfunction/injury (either cardiac troponin elevation or abnormal global longitudinal strain), with the current standard approach of initiation cardiovascular therapy once cardiotoxicity has occurred, addressing the question if and at which point in time carvedilol therapy would be efficacious. It will furthermore compare outcome measures between a limited carvedilol therapy duration, confined to the time of the active trastuzumab-based HER2-directed treatment and cardiac function recovery versus an extended carvedilol therapy duration continuing one year after completion of trastuzumab-based HER2-directed therapy, addressing how long carvedilol needs to be given in this unique patient population. The above will be combined with pharmacogenomic measures to identify those at highest risk of irreversible LVEF decline and lack of response to therapy. The investigator's central hypothesis is that a pre-emptive or a reactive preventive approach will reduce the incidence of cardiotoxicity in breast cancer patients undergoing treatment with trastuzumab, and that extension of carvedilol therapy beyond the active trastuzumab-based HER2-directed therapy treatment will prove superior for preservation of cardiac function.

Three specific aims will be pursued:

Aim 1: to compare the incidence of a) HF or asymptomatic decline in LVEF by \>10% in patients whose LVEF is ≥50% or LVEF drop ≥5% in those with a decrease to \<50%. (primary aim #1), and b) reversible LVEF decline to within 5% of baseline (secondary aim #1) with a pre-emptive and reactive preventive approach with carvedilol versus a "wait-and-see strategy" of carvedilol initiation in response to HF or LVEF declines in breast cancer patients over the course of trastuzumab therapy. It is to address the question if and when to start cardioprotective efforts for patients undergoing trastuzumab therapy.

Aim 2: To compare the delta change in LVEF from completion to one year after completion of trastuzumab therapy between cardioprotective approach with carvedilol confined the duration of trastuzumab therapy or extended for one year thereafter. This aim is to address the question of duration of cardioprotective efforts for patients undergoing trastuzumab therapy.

Aim 3: To identify genetic variants that predict trastuzumab cardiotoxicity in general as well as lack of response (primary prevention of drop in LVEF or secondary improvement of LVEF) to carvedilol.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

NONE

Study Groups

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Pre-Emptive Strategy

Carvedilol titrated to maximally tolerated doses (3.125 mg to 25 mg twice a day) initiated one week before start of therapy and continued until end of therapy

Group Type EXPERIMENTAL

Carvedilol

Intervention Type DRUG

oral Carvedilol maximally tolerated doses 3.125 mg to 25 mg twice a day

Reactive Strategy

Carvedilol titrated to maximally tolerated doses (3.125 mg to 25 mg twice a day) initiated after documentation of subclinical cardiotoxicity, defined by an abnormal global longitudinal strain (GLS) or high-sensitive cardiac troponin (hsTnI) elevation and continued until end of therapy

Group Type EXPERIMENTAL

Carvedilol

Intervention Type DRUG

oral Carvedilol maximally tolerated doses 3.125 mg to 25 mg twice a day

Standard of Care

Carvedilol titrated to maximally tolerated doses (3.125 mg to 25 mg twice a day) initiated after documentation of a drop in LVEF by \>10% to a value less than 53% and continued until end of therapy

Group Type ACTIVE_COMPARATOR

Carvedilol

Intervention Type DRUG

oral Carvedilol maximally tolerated doses 3.125 mg to 25 mg twice a day

Interventions

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Carvedilol

oral Carvedilol maximally tolerated doses 3.125 mg to 25 mg twice a day

Intervention Type DRUG

Other Intervention Names

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Coreg

Eligibility Criteria

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Inclusion Criteria

* ≥18 years of age,
* new or locally recurrent diagnosis of HER2+ breast cancer that will be treated with curative intent
* planned HER2-directed (any therapy targeting HER2 signaling including Trastuzumab +/- pertuzumab or trastuzumab-emtansine (T-DM1) Nerantinib and lapatinib will not be considered. "HER2-directed therapy" or "anti-HER-2".

Exclusion Criteria

* history of HF of any class and type, or diagnosis of cardiomyopathy in the past,
* LVEF \<50% at screening,
* intolerance to beta-blocker,
* baseline use of any beta-blocker for coronary artery disease including myocardial infarction
* current ACE inhibitor or ARB therapy for hypertension in the presence of diabetes and/or for chronic kidney disease/proteinuria,
* on active therapy with amiodarone, sotalol, or any other antiarrhythmic
* Diagnosis of asthma with current daily use of anti-asthmatic therapy
* heart rate \< 50 BPM at screening (average of 3 most recent readings)
* history of or current sick sinus syndrome,
* AV block grade II or higher (unless patient has a permanent pacemaker) at screening,
* systolic blood pressure \< 90 mmHg at screening (average of 3 most recent readings)
* severe hepatic dysfunction, as defined by NCI ODWG (total bilirubin \>3x ULN, any AST elevation) or Child Pugh C class
* pregnancy
* Metastatic breast cancer (distant metastases)
* Active systemic treatment for non-breast cancer

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No