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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT00315419
Other study ID # RDCRN 5401
Secondary ID RR19397-03
Status Active, not recruiting
Phase N/A
First received April 14, 2006
Last updated April 19, 2010
Start date April 2006
Est. completion date July 2009

Study information

Verified date July 2009
Source Office of Rare Diseases (ORD)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Observational

Clinical Trial Summary

Bone marrow failure syndromes (BMFS) are rare disorders characterized by dysfunctional hematopoietic stem cells, which give rise to all red and white blood cells. The deficiency of blood cells, or cytopenia, caused by this malfunction leads to an assortment of diseases and disorders, all of which are characterized as BMFS. Because these diseases are rare, conducting research on them is difficult, and standards of treatment for most BMFS have yet to be developed. This study will collect clinical and laboratory data from people with BMFS to identify the characteristics and biological markers associated with these diseases over time. This information will assist doctors and researchers to develop better therapies and diagnostic tests that will help improve the management of BMFS and cytopenias.


Description:

BMFS result from hematopoietic progenitor or stem cell failure within the bone marrow. Specific causes of this problem, however, have been difficult to identify, as BMFS occur sporadically. For the same reason, few studies have been conducted to find out more about these diseases and to develop more appropriate and effective therapies. Aplastic anemia (AA) is the most common of all BMFS. Other types of BMFS include the following: myelodysplastic syndrome (MDS); paroxysmal nocturnal hemoglobinuria (PNH); pure red cell aplasia (PRCA); amegakaryocytic thrombocytopenic purpura (ATP); and large granular lymphocyte leukemia (LGL leukemia). Though AA is the most common of the BMFS, all BMFS are closely related in terms of their symptoms and characteristics. This study will collect clinical and laboratory data from people with BMFS to identify the characteristics and biological markers specific to each disease as it evolves. This information will assist doctors and researchers to devise better therapies and diagnostic tests that will help improve the management of BMFS and cytopenias.

Participants in this observational study will report to the study site for an initial screening visit, followed by study visits every 6 months for at least 5 years. At each visit, participants will be interviewed and examined by a physician. Laboratory tests, including blood collection and a bone marrow aspirate, will also be performed. Data collected for this study's database will be used to determine the prevalence of clinical events and laboratory abnormalities over the course of disease, to study the evolution of disease parameters and symptoms, and to evaluate current therapies and diagnostic tests.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 450
Est. completion date July 2009
Est. primary completion date July 2009
Accepts healthy volunteers No
Gender Both
Age group 11 Years and older
Eligibility Inclusion Criteria:

- Diagnosis of one of the following diseases: aplastic anemia; myelodysplastic syndrome; paroxysmal nocturnal hemoglobinuria; idiopathic pure red cell aplasia; amegakaryocytic thrombocytopenia purpura; or large granular lymphocyte leukemia

Exclusion Criteria:

Study Design

Observational Model: Cohort, Time Perspective: Prospective


Locations

Country Name City State
United States Cleveland Clinic Foundation Cleveland Ohio
United States Pennsylvania State University Cancer Center Hershey Pennsylvania
United States University of California, Los Angeles, Department of Hematology and Oncology Los Angeles California
United States H. Lee Moffitt Cancer Center Tampa Florida

Sponsors (2)

Lead Sponsor Collaborator
Office of Rare Diseases (ORD) Rare Diseases Clinical Research Network

Country where clinical trial is conducted

United States, 

References & Publications (5)

Frickhofen N, Heimpel H, Kaltwasser JP, Schrezenmeier H; German Aplastic Anemia Study Group. Antithymocyte globulin with or without cyclosporin A: 11-year follow-up of a randomized trial comparing treatments of aplastic anemia. Blood. 2003 Feb 15;101(4):1236-42. Epub 2002 Oct 10. — View Citation

Molldrem JJ, Leifer E, Bahceci E, Saunthararajah Y, Rivera M, Dunbar C, Liu J, Nakamura R, Young NS, Barrett AJ. Antithymocyte globulin for treatment of the bone marrow failure associated with myelodysplastic syndromes. Ann Intern Med. 2002 Aug 6;137(3):156-63. — View Citation

Plasilova M, Risitano A, Maciejewski JP. Application of the molecular analysis of the T-cell receptor repertoire in the study of immune-mediated hematologic diseases. Hematology. 2003 Jun;8(3):173-81. Review. — View Citation

Sloand E, Kim S, Maciejewski JP, Tisdale J, Follmann D, Young NS. Intracellular interferon-gamma in circulating and marrow T cells detected by flow cytometry and the response to immunosuppressive therapy in patients with aplastic anemia. Blood. 2002 Aug 15;100(4):1185-91. — View Citation

Young NS. Immunosuppressive treatment of acquired aplastic anemia and immune-mediated bone marrow failure syndromes. Int J Hematol. 2002 Feb;75(2):129-40. Review. — View Citation

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