NCT01708798

Brief Summary

Doxorubicin and other anthracyclines are commonly used to treat breast cancer and other types of cancer. Unfortunately, they can cause heart muscle damage, resulting in scarring, abnormal contraction and relaxation, and heart failure symptoms. This side effect occurs more frequently at higher doses, and limits the total dose that can be given to cancer patients. Eplerenone is an oral medication that prevents or reverses heart damage in other disease states, and is commonly used to treat heart failure. This study will investigate the use of eplerenone to protect the heart from these harmful side effects of doxorubicin. Few therapies have been shown to prevent heart damage in patients receiving anthracyclines. Small studies have suggested that other heart failure medications (ACE inhibitors, beta-blockers) may reduce the incidence of cardiac toxicity, but eplerenone and other drugs in its class (aldosterone antagonists) have not previously been studied. Eplerenone inhibits enzyme pathways that cause scarring of the heart, and animal studies suggest that anthracyclines cause damage through these same pathways. This study aims to investigate whether eplerenone protects the heart from the harmful effects of doxorubicin chemotherapy. Specifically, it will measure the effect that eplerenone has on heart muscle relaxation. It will randomly assign women undergoing chemotherapy with doxorubicin to one of two groups: one group will receive eplerenone, and the other group will receive placebo (sugar) pills. The subjects will not know which type of pills they are taking. Heart muscle relaxation will be measured at baseline, after completion of chemotherapy (8-12 weeks), and after 6 months. There will also be various blood tests measured in the study subjects, to determine whether there might be certain blood tests that identify patients at particularly high risk of heart toxicity after doxorubicin therapy.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
44

participants targeted

Target at P25-P50 for phase_2 breast-cancer

Timeline
Completed

Started May 2014

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 15, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

October 17, 2012

Completed
1.5 years until next milestone

Study Start

First participant enrolled

May 1, 2014

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2016

Completed
Last Updated

January 5, 2017

Status Verified

January 1, 2017

Enrollment Period

2.5 years

First QC Date

October 15, 2012

Last Update Submit

January 3, 2017

Conditions

Keywords

Diastolic heart failure

Outcome Measures

Primary Outcomes (1)

  • Change in average E' (averaged septal E' and lateral E')

    The average early diastolic tissue velocity of the mitral valve annulus measured by tissue Doppler echocardiography (averaged velocities of the mitral annulus measured at the lateral edge and the septal edge)

    6 months

Secondary Outcomes (9)

  • Development of worsening diastolic function

    6 months

  • Development of worsening systolic function

    6 months

  • Change in septal E'

    6 months

  • Change in lateral E'

    6 months

  • Change in E/E'

    6 months

  • +4 more secondary outcomes

Other Outcomes (7)

  • Incidence of hyperkalemia

    6 months

  • Incidence of adverse events leading to discontinuation of study drug

    6 months

  • Signal-averaged ECG (SAECG) changes

    Baseline, 8-12 weeks, 6 months

  • +4 more other outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

One tablet by mouth daily. If serum potassium level is \<5.0 mmol/L at four weeks, increase to two tablets by mouth daily. If estimated glomerular filtration rate (eGFR) is between 30-49 ml per min per 1.73m2, initial dose is: one tablet by mouth every other day. If serum potassium level is \<5.0 mmol/L at four weeks, increase to one tablet by mouth daily.

Drug: Placebo

Eplerenone

EXPERIMENTAL

Eplerenone 25 mg tablet by mouth daily. If serum potassium level is \<5.0 mmol/L at four weeks, increase to two 25 mg tablets by mouth daily. If estimated glomerular filtration rate (eGFR) is between 30-49 ml per min per 1.73m2, initial dose is: eplerenone 25 mg tablet by mouth every other day. If serum potassium level is \<5.0 mmol/L at four weeks, increase to 25 mg tablet by mouth daily.

Drug: Eplerenone

Interventions

Also known as: Inspra
Eplerenone
Placebo

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Stage I-III breast cancer
  • Scheduled to undergo treatment with doxorubicin-based chemotherapy regimen
  • Able to provide informed consent

You may not qualify if:

  • Use of anthracycline agents other than doxorubicin
  • Baseline LVEF ≤50% by any modality (nuclear, echo, MRI)
  • Atrial fibrillation or flutter
  • Mitral valve disease (More than mild mitral stenosis or regurgitation, previous mitral valve replacement or repair)
  • Inability to obtain adequate echo images for required analysis
  • Hyperkalemia (K+ \>5.0)
  • Glomerular filtration rate (GFR) \<30 ml/min/1.73m2
  • Uncontrolled hypertension, defined as having a systolic blood pressure \> 180 mmHg and/or a diastolic blood pressure \>110 mmHg
  • Symptomatic hypotension or systolic blood pressure \<85 mmHg
  • History of hypersensitivity to eplerenone or spironolactone
  • Significant hepatic disease (e.g., previously documented positive serology for viral hepatitis) or aspartate aminotransferase (AST) and/or alanine aminotransferase (ALT) \>3 times the upper limits of normal
  • Concomitant treatment with spironolactone, potassium-sparing diuretics, potassium supplements, or strong inhibitors of cytochrome P450 3A4 (CYP3A4) (i.e. ketoconazole, itraconazole, nefazodone, troleandomycin, clarithromycin, ritonavir, nelfinavir)
  • History of alcohol and/or any other drug abuse
  • Women who are either pregnant, lactating or of childbearing potential and not using an acceptable method of contraception
  • Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with trial participation or investigational product administration or may interfere with the interpretation of trial results and, in the judgment of the investigator, would make the subject inappropriate for entry into this trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

British Columbia Cancer Agency, Vancouver Centre

Vancouver, British Columbia, V5Z 4E6, Canada

Location

Related Publications (38)

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MeSH Terms

Conditions

Breast NeoplasmsHeart Failure, Diastolic

Interventions

Eplerenone

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue DiseasesHeart FailureHeart DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

LactonesOrganic ChemicalsPregnenesPregnanesSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Officials

  • Sean A Virani, MD, MSc, MPH

    University of British Columbia

    PRINCIPAL INVESTIGATOR
  • Margot Davis, MD

    University of British Columbia

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 15, 2012

First Posted

October 17, 2012

Study Start

May 1, 2014

Primary Completion

November 1, 2016

Study Completion

November 1, 2016

Last Updated

January 5, 2017

Record last verified: 2017-01

Data Sharing

IPD Sharing
Will not share

Locations