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Nashville, Tennessee 37232


Pseudohypoparathyroidism type 1a (PHP1a) is a rare disease that causes childhood obesity and learning difficulties. This study will investigate eating behaviors and perform cognitive testing on children with PHP1a. The investigators will compare their results to those of healthy siblings and other obese children.

Study summary:

Pseudohypoparathyroidism type 1a (PHP1a) is a genetic disorder that causes early-onset, syndromic obesity and cognitive impairment. This study aims to evaluate eating behaviors, cognition and executive function in children with PHP1a, compared with healthy siblings and matched obese controls.


Inclusion Criteria: - Clinical diagnosis of PHP1a, sibling of a patient with PHP1a or matched obese control Exclusion Criteria (PHP1a): - Treatment with appetite-altering drug or initiation of a new weight loss program in the past 3 months - Type 2 diabetes Exclusion Criteria (Controls): - Obesity due to a genetic syndrome, growth hormone deficiency, untreated hypothyroidism, Cushing syndrome or exogenous glucocorticoid administration - Weight loss greater than 10% over the previous 6 months - Autism or other significant learning disorder - Type 2 diabetes - Other significant medical condition



Primary Contact:

Principal Investigator
Ashley Shoemaker, MD
Vanderbilt University

Backup Contact:


Location Contact:

Nashville, Tennessee 37232
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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