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Blood Disease clinical trials

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NCT ID: NCT00005518 Completed - Hemophilia A Clinical Trials

Epidemiology and Immunology of Hemophilia A Inhibitors

Start date: June 1998
Phase: N/A
Study type: Observational

To determine the risk factors associated with inhibitor formation in hemophilia A and to study the mechanism of tolerance in the murine hemophilia A model.

NCT ID: NCT00005467 Completed - Anemia, Sickle Cell Clinical Trials

Indices of Severity and Prognosis for Sickle Cell Disease

Start date: January 1990
Phase: N/A
Study type: Observational

To develop a clinical severity index that could prospectively identify sickle cell disease patients who were at high risk for a turbulent clinical course and a poor prognosis.

NCT ID: NCT00005438 Completed - Anemia, Sickle Cell Clinical Trials

Neuropsychological Studies of Children With Sickle Cell

Start date: February 1993
Phase: N/A
Study type: Observational

To identify those factors that contributed to cognitive deficiencies in children with sickle cell disease (SCD) who had not demonstrated any overt or clinically apparent neurological abnormalities.

NCT ID: NCT00005341 Terminated - Blood Disease Clinical Trials

Blood Donation--Immune Sequelae and Recruitment

Start date: February 1992
Phase:
Study type: Observational

To determine if there were immune sequelae related to the long-term donation of blood or blood products.

NCT ID: NCT00005327 Completed - Clinical trials for Cerebrovascular Accident

Prevention of Cerebral Infarction in Sickle Cell Anemia - Comprehensive Sickle Cell Center

Start date: April 1993
Phase:
Study type: Observational

To conduct a prospective study aimed at the early detection and treatment of cerebral vascular disease prior to irreversible brain injury in young children with sickle cell anemia (SCA).

NCT ID: NCT00005326 Completed - Clinical trials for Cerebrovascular Accident

Cerebrovascular Involvement in Sickle Cell Disease - Comprehensive Sickle Cell Center

Start date: January 1988
Phase: N/A
Study type: Observational

To continue studies on the two major neurological complications of sickle cell disease (SCD): namely, stroke and chronic encephalopathy.

NCT ID: NCT00005309 Completed - HIV Infections Clinical Trials

Prospective Study of HIV Infection in Hemophiliacs

Start date: July 1990
Phase:
Study type: Observational

To examine mechanisms of individual differences in the progression of HIV infection in hemophiliacs.

NCT ID: NCT00005308 Completed - Anemia Clinical Trials

Anemia and Surgery: Indications For Transfusion

Start date: April 1990
Phase: N/A
Study type: Observational

To estimate the risk of death for patients with different pre- and post-operative hemoglobin levels who do not receive blood transfusions and to derive a multivariate model using clinical information available pre-operatively that would predict the risk of death post-operatively.

NCT ID: NCT00005307 Completed - Blood Disease Clinical Trials

Etiology of Blood Dyscrasias: Analysis of the International Agranulocytosis and Aplastic Anemia Study Data

Start date: April 1989
Phase: N/A
Study type: Observational

To quantify the role of drugs and other factors in the etiology of agranulocytosis and aplastic anemia.

NCT ID: NCT00005305 Completed - Hemophilia A Clinical Trials

Hepatitis Delta Infections in Hemophiliacs

Start date: September 1987
Phase: N/A
Study type: Observational

To elucidate the role of hepatitis delta virus (HDV) in the development of chronic liver disease in patients with hemophilia.