NCT00281255

Brief Summary

This study will determine whether an acute infusion of intravenous allopurinol improves the inotropic response to dobutamine in patients with idiopathic dilated cardiomyopathy (DCM) as measured by cardiac magnetic resonance imaging (CMR).

Trial Health

30
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Jun 2003

Longer than P75 for phase_1 cardiovascular-diseases

Geographic Reach
1 country

1 active site

Status
withdrawn

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

June 1, 2003

Completed
2.6 years until next milestone

First Submitted

Initial submission to the registry

January 20, 2006

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 24, 2006

Completed
7.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2013

Completed
Last Updated

June 19, 2013

Status Verified

June 1, 2013

Enrollment Period

10 years

First QC Date

January 20, 2006

Last Update Submit

June 17, 2013

Conditions

Outcome Measures

Primary Outcomes (1)

  • radial and circumferential strain after infusion of allopurinol as measured by cardiac MRI (measured at Day 1)

Study Arms (2)

allopurinol

EXPERIMENTAL
Drug: AllopurinolDrug: Dobutamine

placebo

PLACEBO COMPARATOR
Drug: Dobutamine

Interventions

allopurinol
allopurinolplacebo

Eligibility Criteria

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

You may qualify if:

  • Diagnosis of idiopathic cardiomyopathy (defined by an ejection fraction less than or equal to 35% that has been assessed by any method within 6 months prior to study entry AND no evidence of coronary artery disease, as determined by coronary angiography or stress perfusion imaging within 2 years prior to study entry)
  • New York Heart Association (NYHA) Class I - II heart failure
  • Stable heart failure medication for at least 1 month prior to study entry
  • Able to lie flat for 45 minutes

You may not qualify if:

  • History of poorly controlled hypertension and concentric left ventricular hypertrophy on echocardiography suggesting hypertensive cardiomyopathy
  • History of biopsy-proven myocarditis
  • Peripartum cardiomyopathy
  • Allopurinol therapy within the 6 months prior to study entry
  • Allopurinol allergy
  • Contraindication to allopurinol because of concomitant therapy with one of the following: azathioprine, cyclophosphamide, dicumarol, uricosuric agents (e.g., probenecid), ampicillin, amoxicillin, chlorpropamide, or cyclosporine
  • Acute gout
  • Estimated creatinine clearance less than 20 ml/min
  • Total bilirubin greater than 2 times upper limit of normal
  • Serum aspartate AST or alanine ALT greater than 3 times the upper limit of normal
  • White blood cell count less than 2,000
  • Platelet count less than 80,000
  • Hemoglobin less than 8 mg/dl
  • Use of intravenous inotropes
  • History of untreated symptomatic ventricular tachycardia
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

Location

MeSH Terms

Conditions

Cardiovascular DiseasesCardiomyopathy, DilatedHeart DiseasesHeart Failure

Interventions

AllopurinolDobutamine

Condition Hierarchy (Ancestors)

CardiomegalyCardiomyopathiesLaminopathiesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Intervention Hierarchy (Ancestors)

PurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsCatecholaminesAminesOrganic ChemicalsPhenethylaminesEthylaminesCatecholsPhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbons

Study Officials

  • Thomas P. Cappola

    University of Pennsylvania

    STUDY CHAIR
0

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor of Medicine

Study Record Dates

First Submitted

January 20, 2006

First Posted

January 24, 2006

Study Start

June 1, 2003

Primary Completion

June 1, 2013

Study Completion

June 1, 2013

Last Updated

June 19, 2013

Record last verified: 2013-06

Locations