Evaluating People With Thalassemia: The Thalassemia Longitudinal Cohort (TLC) Study
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.
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
- 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
- Apr 30, 2007
- Primary completion
- Nov 30, 2010
- Completion
- May 31, 2011
- Last update posted
- Nov 10, 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 10, 2011 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00661804 live on ClinicalTrials.gov.