Study to Evaluate the Safety of Twice Daily Oral Carvedilol

Completed · Phase 3

Conditions studied: Congestive Heart Failure

In brief

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.

Key facts

Study ID

NCT00129363

Run by

Shaddy, Robert, M.D.

People needed

75

Starts

2002-01-01

Expected to finish

2006-01-01

Last updated by the study team

2008-12-25

Who can join

Age: 0 and older, up to 17. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 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.

You may not qualify if…

• 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.

Where it is running

• Mattel Children's Hospital at UCLA — Los Angeles, California, United States
• Children's Hospital Los Angeles — Los Angeles, California, United States
• Stanford University — Palo Alto, California, United States
• University of Colorado — Denver, Colorado, United States
• University of Miami — Miami, Florida, United States
• Children's Memorial Hospital — Chicago, Illinois, United States
• Children's Hospital, Boston — Boston, Massachusetts, United States
• C.S. Mott Children's Hospital — Ann Arbor, Michigan, United States
• Children's Hospital of Michigan — Detroit, Michigan, United States
• Washington University — St Louis, Missouri, United States
• Columbia University — New York, New York, United States
• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States
• Vanderbilt Children's Hospital — Nashville, Tennessee, United States
• UT Southwestern Medical Center — Dallas, Texas, United States
• Texas Children's Hospital — Houston, Texas, United States
• University of Utah — Salt Lake City, Utah, United States
• Seattle Childrens Hospital and Regional Medical Center — Seattle, Washington, United States

Full record on ClinicalTrials.gov

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