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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00000102
Other study ID # NCRR-M01RR01070-0506
Secondary ID M01RR001070
Status Completed
Phase Phase 1/Phase 2
First received November 3, 1999
Last updated June 23, 2005

Study information

Verified date January 2004
Source National Center for Research Resources (NCRR)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

This study will test the ability of extended release nifedipine (Procardia XL), a blood pressure medication, to permit a decrease in the dose of glucocorticoid medication children take to treat congenital adrenal hyperplasia (CAH).


Description:

This protocol is designed to assess both acute and chronic effects of the calcium channel antagonist, nifedipine, on the hypothalamic-pituitary-adrenal axis in patients with congenital adrenal hyperplasia. The multicenter trial is composed of two phases and will involve a double-blind, placebo-controlled parallel design. The goal of Phase I is to examine the ability of nifedipine vs. placebo to decrease adrenocorticotropic hormone (ACTH) levels, as well as to begin to assess the dose-dependency of nifedipine effects. The goal of Phase II is to evaluate the long-term effects of nifedipine; that is, can attenuation of ACTH release by nifedipine permit a decrease in the dosage of glucocorticoid needed to suppress the HPA axis? Such a decrease would, in turn, reduce the deleterious effects of glucocorticoid treatment in CAH.


Recruitment information / eligibility

Status Completed
Enrollment 0
Est. completion date
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 14 Years to 35 Years
Eligibility Inclusion Criteria:

- diagnosed with Congenital Adrenal Hyperplasia (CAH)

- normal ECG during baseline evaluation

Exclusion Criteria:

- history of liver disease, or elevated liver function tests

- history of cardiovascular disease

Study Design

Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Intervention

Drug:
Nifedipine


Locations

Country Name City State
United States Medical University of South Carolina Charleston South Carolina

Sponsors (1)

Lead Sponsor Collaborator
National Center for Research Resources (NCRR)

Country where clinical trial is conducted

United States, 

See also
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