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Completed No phase listed Observational Accepts healthy volunteers

Evaluating People With Thalassemia: The Thalassemia Longitudinal Cohort (TLC) Study

ClinicalTrials.gov ID: NCT00661804

Public ClinicalTrials.gov record NCT00661804. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:58 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Longitudinal Cohort Study of Patients With Thalassemia in the Thalassemia Clinical Research Network

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Thalassemias are inherited blood disorders that can cause anemia and other health problems. The goal of this study is to collect information on complications of the disease among people who currently have or previously had thalassemia.

Study identification

NCT ID
NCT00661804
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Carelon Research
Other
Enrollment
416 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
5 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 2007 (Type not available)
Primary completion
Dec 2010 (Actual)
Completion
Jun 2011 (Actual)
Last update posted
Nov 11, 2011

2007 – 2011

United States locations

U.S. sites
10
U.S. states
7
U.S. cities
10
Facility City State ZIP Site status
Children's Hospital of Los Angeles Los Angeles California 90027 —
Children's Hospital of Oakland Oakland California 94609 —
Stanford Hospital Stanford California 94305 —
Children's Healthcare of Atlanta Atlanta Georgia 30342 —
Children's Memorial Hospital Chicago Chicago Illinois 60614 —
Children's Hospital Boston Boston Massachusetts 02115 —
Weill Medical College of Cornell University New York New York 10021 —
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Southwestern Medical Center at Dallas Dallas Texas 75390 —
Baylor College of Medicine Houston Texas 77030 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00661804, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 11, 2011 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00661804 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →