NCT01150461

Brief Summary

The purpose of this study is to determine whether taking losartan helps people with hypertrophic nonobstructive cardiomyopathy feel better by decreasing the amount of heart muscle thickening and/or the amount of heart muscle scarring.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Feb 2007

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

February 1, 2007

Completed
3.4 years until next milestone

First Submitted

Initial submission to the registry

June 22, 2010

Completed
3 days until next milestone

First Posted

Study publicly available on registry

June 25, 2010

Completed
6 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2010

Completed
3.2 years until next milestone

Results Posted

Study results publicly available

September 5, 2013

Completed
Last Updated

September 5, 2013

Status Verified

September 1, 2013

Enrollment Period

3.4 years

First QC Date

June 22, 2010

Results QC Date

May 2, 2013

Last Update Submit

September 3, 2013

Conditions

Keywords

Hypertrophic nonobstructive cardiomyopathy

Outcome Measures

Primary Outcomes (1)

  • Percentage Change From Baseline in Extent of Left Ventricular Fibrosis at 1 Year as Assessed by Magnetic Resonance Imaging.

    Baseline and 1 year

Secondary Outcomes (1)

  • Percentage Change From Baseline in Left Ventricular Mass at 1 Year as Assessed by Magnetic Resonance Imaging.

    Baseline and 1 year

Study Arms (2)

losartan

EXPERIMENTAL

Losartan 50 mg b.i.d.

Drug: losartan

placebo

PLACEBO COMPARATOR

Placebo b.i.d.

Drug: placebo

Interventions

Losartan 50 mg b.i.d

Also known as: Angiotensin II receptor antagonist, Cozaar
losartan

Placebo b.i.d.

Also known as: Placebo tablet
placebo

Eligibility Criteria

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

You may qualify if:

  • Patients with hypertrophic cardiomyopathy
  • Left ventricular outflow tract (LVOT) gradient less than 30 mm Hg at rest
  • Age 18 years or older

You may not qualify if:

  • Contraindication to losartan
  • Already taking losartan
  • Contraindication to MRI
  • Hemodynamic instability

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Related Publications (1)

  • Shimada YJ, Passeri JJ, Baggish AL, O'Callaghan C, Lowry PA, Yannekis G, Abbara S, Ghoshhajra BB, Rothman RD, Ho CY, Januzzi JL, Seidman CE, Fifer MA. Effects of losartan on left ventricular hypertrophy and fibrosis in patients with nonobstructive hypertrophic cardiomyopathy. JACC Heart Fail. 2013 Dec;1(6):480-7. doi: 10.1016/j.jchf.2013.09.001. Epub 2013 Oct 24.

Related Links

MeSH Terms

Conditions

Cardiomyopathy, Hypertrophic

Interventions

LosartanAngiotensin Receptor Antagonists

Condition Hierarchy (Ancestors)

CardiomyopathiesHeart DiseasesCardiovascular DiseasesAortic Stenosis, SubvalvularAortic Valve StenosisAortic Valve DiseaseHeart Valve Diseases

Intervention Hierarchy (Ancestors)

Biphenyl CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsImidazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsTetrazolesMolecular Mechanisms of Pharmacological ActionPharmacologic ActionsChemical Actions and Uses

Results Point of Contact

Title
Michael A. Fifer, MD
Organization
Massachusetts General Hospital

Study Officials

  • Michael A Fifer, MD

    Massachusetts General Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director, Hypertrophic Cardiomyopathy Program

Study Record Dates

First Submitted

June 22, 2010

First Posted

June 25, 2010

Study Start

February 1, 2007

Primary Completion

July 1, 2010

Study Completion

July 1, 2010

Last Updated

September 5, 2013

Results First Posted

September 5, 2013

Record last verified: 2013-09

Locations