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NCT00005570 · ClinicalTrials.gov registry record
An Epidemiological Study of Subjects With Immune Thrombocytopenic Purpura to Evaluate the Relationship Between Platelet Counts, Endogenous Thrombopoietin Levels, Endogenous Anti-Thrombopoietin Antibodies, and Selected Autoimmune Markers
A clinical trial of Immune Thrombocytopenic Purpura and Purpura, Thrombocytopenic, Idiopathic, sponsored by National Heart, Lung, and Blood Institute (NHLBI).
- Completed
- Registry status
- 200
- Enrollment target
- 1
- Study location
NCT00005570: Completed study of Immune Thrombocytopenic Purpura and Purpura, Thrombocytopenic, Idiopathic, sponsored by National Heart, Lung, and Blood Institute (NHLBI).
NCT00005570 is a study of Immune Thrombocytopenic Purpura and Purpura, Thrombocytopenic, Idiopathic that has completed, run by National Heart, Lung, and Blood Institute (NHLBI). The registered enrollment target is 200 participants, above the 69-participant average among 3 other Immune Thrombocytopenic Purpura trials with a reported enrollment target (190% higher). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00005570, a study of Immune Thrombocytopenic Purpura and Purpura, Thrombocytopenic, Idiopathic, has completed, sponsored by National Heart, Lung, and Blood Institute (NHLBI).
- COMPLETED
- Registry status
- 200 participants
- Enrollment target
- 1
- Study location
Study Summary
This study involves the collection of blood samples from patients with immune thrombocytopenic purpura (ITP) to evaluate the relationship between platelet counts, blood levels of a hormone called thrombopoietin that controls platelet production by the bone marrow, and blood levels of antibodies against thrombopoietin that could interfere with the action of this hormone. Blood samples will also be stored if separately agreed to by the patient for analysis of genes that might affect platelet production. At a single outpatient clinic visit, patients will have a medical history taken, and blood samples drawn for testing. Results from this study may help further understand the control of platelet production in patients with ITP, and suggest new therapeutic approaches.
Conditions Studied
Study Locations (1)
Maryland
- National Heart, Lung and Blood Institute (NHLBI) - Bethesda
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 200 participants |
| Start Date | 2000-04 |
| Est. Completion | 2000-07 |
What the finished NCT00005570 record still lists
NCT00005570 is an observational study that tracks outcomes without assigning an intervention. The registered 200 participants enrollment target is mid-sized for trials with a published cap, above the 69-participant average among 3 other Immune Thrombocytopenic Purpura trials with a reported enrollment target (190% higher).
The record links to 2 conditions, with Immune Thrombocytopenic Purpura appearing as the primary indexed condition, and to 0 interventions.
NCT00005570 reports a single indexed study location in Maryland.
Frequently Asked Questions
What is clinical trial NCT00005570 about?
NCT00005570 is a clinical study titled "An Epidemiological Study of Subjects With Immune Thrombocytopenic Purpura to Evaluate the Relationship Between Platelet Counts, Endogenous Thrombopoietin Levels, Endogenous Anti-Thrombopoietin Antibodies, and Selected Autoimmune Markers". This study involves the collection of blood samples from patients with immune thrombocytopenic purpura (ITP) to evaluate the relationship between platelet counts, blood levels of a hormone called thrombopoietin that controls platelet production by the bone marrow, and blood levels of antibodies agai...
What is the current status of trial NCT00005570?
This trial is currently completed. The enrollment target is 200 participants. The study started on 2000-04. Estimated completion is 2000-07.
What conditions does trial NCT00005570 study?
This clinical trial studies the following conditions: Immune Thrombocytopenic Purpura, Purpura, Thrombocytopenic, Idiopathic.
Who is sponsoring clinical trial NCT00005570?
This trial is sponsored by National Heart, Lung, and Blood Institute (NHLBI), which has 501 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00005570 being conducted?
This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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