Clinical trialNCT00227253RecruitingObservational

Chromosome 18 Clinical Research Center

SponsorThe University of Texas Health Science Center at San AntonioEnrollment4,000Chromosome AberrationsGrowth Hormone DeficiencyHypomyelination

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Our vision, that of the researchers at the University of Texas Health Science Center at San Antonio, is that every person with a chromosome 18 abnormality will have an autonomous and healthy life. Our mission is to provide families affected by chromosome 18 abnormalities with comprehensive medical and educational information. Our goals are to provide definitive medical and education resources for the families of individuals with chromosome 18 abnormalities; perform and facilitate groundbreaking clinical and basic research relating to the syndromes of chromosome 18; and to provide treatments to help these individuals overcome the effects of their chromosome abnormality.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Jannine D. Cody, Ph.D.
The University of Texas Health Science Center at San Antonio
Principal Investigator
clinicaltrials.gov ↗
Jonathan Gelfond, M.D., Ph.D.
The University of Texas Health Science Center at San Antonio
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University Health Systems Hospital
San Antonio, Texas, United States
Kameel M. Karkar, M.D.
Recruiting
University of Texas Health Science Center at San Antonio
San Antonio, Texas, United States
Jannine D. Cody, Ph.D.Jonathan A. L. Gelfond, M.D., Ph.D.Kameel M. Karkar, M.D.
Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 30 Sept 1993
Primary completion: 31 Dec 2040
Completion: 31 Dec 2040
Last update posted: 6 Jan 2026
Registered enrollment: 4,000
Registry id: NCT00227253

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.