CompletedNot Applicable

Study of the Relationship Between Calcium Levels and Intact Parathyroid Hormone (iPTH) in Adults With Repaired or Palliated Conotruncal Cardiac Defects

150 participantsStarted 1995-07

Plain-language summary

OBJECTIVES: I. Identify latent hypoparathyroidism in normocalcemic adult survivors with repaired conotruncal cardiac defects, by evaluating parathyroid gland secretory function after induced hypocalcemia. II. Determine the relationship of parathyroid hormone secretion to microdeletions in the same region of chromosome 22q11 as found in patients with DiGeorge anomaly.

Who can participate

Age range18 Years

SexALL

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* Diagnostically shown repaired or palliated conotruncal cardiac defects, including tetralogy of Fallot with pulmonary stenosis or pulmonary atresia, truncus arteriosus, or interrupted aortic arch type B

Trial details

NCT IDNCT00004361

SponsorNational Center for Research Resources (NCRR)

Sponsor typeNIH

Study typeOBSERVATIONAL

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