Heart Failure Clinical Trial

Study to Evaluate the Safety of Twice Daily Oral Carvedilol

Summary

The objective of this study is to evaluate the long-term safety of carvedilol in pediatric patients with chronic heart failure, who completed the Pediatric Carvedilol Study 321. Carvedilol will be provided as open-label therapy for a period of at least 6 months (or until termination of the study) by SmithKline Beecham Corporation d/b/a GlaxoSmithKline (GSK) or the University Sponsor.

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Full Description

This open-label, uncontrolled, extension study is designed to assess the long-term safety of carvedilol in pediatric patients with heart failure and includes the following phases:

Screening Phase (coincides with the final maintenance Month 6 Visit in the 321 study
Down-/Up-titration Phase
Maintenance Phase
Down-titration
Follow-up

View Eligibility Criteria

Eligibility Criteria

Inclusion Criteria:

Male or female patients with chronic symptomatic congestive heart failure (CHF) due to systemic ventricular systolic dysfunction, who are receiving standard heart failure therapy and have successfully completed the maintenance phase of the Pediatric Carvedilol Study 321.
Parent or guardian of patient able and willing to give written informed consent. The written assent from children > 9 years of age is also required.

Exclusion Criteria:

A patient who, in the opinion of the investigator, would not benefit from open-label carvedilol.
A patient who, in the opinion of the investigator, is incapable of cooperating with the requirements of this study.

A patient treated with the following medications at the time of entry in the study:

Monoamine oxidase (MAO) inhibitors;
Calcium entry blockers;
α- blockers, or labetalol;
Disopyramide, flecainide, encainide, moricizine, propafenone;
Intravenous inotropes such as dobutamine or intravenous vasodilator agents such as amrinone or milrinone;
Intravenous CHF medications (e.g. diuretics, digoxin);
Beta-blockers, other than double-blind carvedilol.
Uncorrected primary obstructive or severe regurgitative valvular disease, nondilated (restrictive) or hypertrophic cardiomyopathy, or significant systemic ventricular outflow obstruction.

A patient with any of the following contra-indications to beta-blocker therapy:

Heart rate < 2nd percentile for age;
Unacceptable blood pressure. Sitting (supine in infants) systolic blood pressure must be > 85 mm Hg in teens; >75 mm Hg in school-aged children; and >65 mm Hg in infants;
Sick sinus syndrome, second or third degree atrioventricular (AV) block, unless treated with a permanent pacemaker;
History or current clinical evidence of moderate-to-severe obstructive pulmonary disease or reactive airway diseases (e.g., asthma) requiring therapy;
Unstable insulin-dependent diabetes mellitus.
Renovascular hypertension or evidence of pulmonary hypertension (pulmonary vascular resistance index > 6 Wood units m2) unresponsive to vasodilator agents such as oxygen, nitroprusside, or nitric oxide

A patient with any one of these general exclusion criteria:

Significant renal (serum creatinine > 2.0), hepatic (serum AST and/or ALT > 3 times upper limit of normal), gastrointestinal, or biliary disorders that could impair absorption, metabolism, or excretion of orally administered medications;
Endocrine disorders such as pheochromocytoma, active hyperthyroidism and untreated hypothyroidism;
Any illness other than heart failure that may limit survival within 1 year (e.g. neoplasm);
Girls of childbearing potential who are pregnant or sexually active and not taking adequate contraceptive precautions (e.g., intrauterine device [IUD] or oral contraceptives).
A patient who received any investigational drug within the preceding 30 days except blinded medication in Pediatric Carvedilol Study 321. An investigational drug is defined as any agent (placebo or drug) dispensed as part of a research study.

Study is for people with:

Heart Failure

Phase:

Phase 3

Estimated Enrollment:

75

Study ID:

NCT00129363

Recruitment Status:

Completed

Sponsor:

Shaddy, Robert, M.D.

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There are 17 Locations for this study

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Mattel Children's Hospital at UCLA
Los Angeles California, 90025, United States
Children's Hospital Los Angeles
Los Angeles California, 90027, United States
Stanford University
Palo Alto California, 94303, United States
University of Colorado
Denver Colorado, 80218, United States
University of Miami
Miami Florida, 33101, United States
Children's Memorial Hospital
Chicago Illinois, 60614, United States
Children's Hospital, Boston
Boston Massachusetts, 02115, United States
C.S. Mott Children's Hospital
Ann Arbor Michigan, 48109, United States
Children's Hospital of Michigan
Detroit Michigan, 48201, United States
Washington University
St. Louis Missouri, 63110, United States
Columbia University
New York New York, 10032, United States
Children's Hospital of Philadelphia
Philadelphia Pennsylvania, 19104, United States
Vanderbilt Children's Hospital
Nashville Tennessee, 37332, United States
UT Southwestern Medical Center
Dallas Texas, 75235, United States
Texas Children's Hospital
Houston Texas, 77030, United States
University of Utah
Salt Lake City Utah, 84132, United States
Seattle Childrens Hospital and Regional Medical Center
Seattle Washington, 98105, United States

How clear is this clinincal trial information?

Study is for people with:

Heart Failure

Phase:

Phase 3

Estimated Enrollment:

75

Study ID:

NCT00129363

Recruitment Status:

Completed

Sponsor:


Shaddy, Robert, M.D.

How clear is this clinincal trial information?

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