Study of the Regulation of Parathyroid Hormone Secretion in Pseudohypoparathyroidism

June 23, 2005 updated by: National Center for Research Resources (NCRR)

OBJECTIVES:

Determine the relationship between serum calcium concentrations and parathyroid hormone secretion in patients with pseudohypoparathyroidism.

Study Overview

Status

Completed

Conditions

Detailed Description

PROTOCOL OUTLINE:

Patients are tested for parathyroid hormone response following sequential graded intravenous infusions of sodium citrate and calcium gluconate. Assays include ionized calcium and intact parathyroid hormone.

Study Type

Observational

Enrollment

20

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

12 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

PROTOCOL ENTRY CRITERIA:

--Disease Characteristics-- Pseudohypoparathyroidism, i.e.: Renal resistance to parathyroid hormone OR Albright hereditary osteodystrophy No other illness unless related to pseudohypoparathyroidism No pregnant women

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Center for Research Resources (NCRR)

Collaborators

University of California, Los Angeles

Investigators

  • Study Chair: Mitchell E. Geffner, University of California, Los Angeles

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 1993

Study Registration Dates

First Submitted

February 24, 2000

First Submitted That Met QC Criteria

February 24, 2000

First Posted (Estimate)

February 25, 2000

Study Record Updates

Last Update Posted (Estimate)

June 24, 2005

Last Update Submitted That Met QC Criteria

June 23, 2005

Last Verified

December 1, 2001

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 199/11909
  • UCLA-541

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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