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Epoetin Alfa With or Without Filgrastim Compared With Blood Transfusions in Treating Patients With Myelodysplastic Syndrome

2014-08-27 03:58:48 | BioPortfolio

Summary

RATIONALE: Epoetin alfa and colony-stimulating factors such as filgrastim stimulate the production of blood cells. It is not yet known whether epoetin alfa with or without filgrastim is more effective than standard blood transfusions in reducing the need for transfusions in patients who have anemia associated with myelodysplastic syndrome.

PURPOSE: Randomized phase III trial to compare the effectiveness of epoetin alfa with or without filgrastim with that of standard blood transfusions in reducing the need for transfusions in patients who have anemia associated with myelodysplastic syndrome.

Description

OBJECTIVES:

- Compare the benefit of epoetin alfa vs standard transfusion support in reducing transfusion requirements in patients with myelodysplastic syndromes.

- Compare the clinical response, disease progression, and survival in patients treated with these regimens.

- Compare the toxicity of these regimens in these patients.

- Determine the effect of pretreatment epoetin alfa levels on the response to epoetin alfa in these patients.

- Evaluate whether adding filgrastim (G-CSF) or increasing the epoetin alfa dose will reduce the transfusion requirement in patients who do not respond to epoetin alfa alone.

- Assess quality of life (QOL) of these patients and determine whether either cross-sectional or longitudinal differences in patients' QOL and fatigue are correlated with the use of the growth factors.

OUTLINE: This is a randomized, controlled, multicenter, cross-over study. Patients are stratified according to morphologic subtype (refractory anemia [RA] vs RA with ringed sideroblasts vs RA with excess blasts), transfusion requirement (yes vs no), prior epoetin alfa treatment (yes vs no), and epoetin alfa level (at least 200 mU/mL vs less than 200 mU/mL). Patients are randomized to one of two treatment arms.

- Arm I (standard transfusion support): Patients receive red cell and platelet transfusions for symptoms or to maintain hematocrit level of 25% or above. Patients undergo bone marrow aspirate and biopsy at 4 months and then every year until development of acute leukemia or completion of study. Patients with progressive disease may cross over to arm II after at least 4 months on study and up to 1 year from the time of randomization. Patients who cross over receive epoetin alfa alone.

- Arm II (epoetin alfa support): Patients receive epoetin alfa subcutaneously (SC) or IV daily. Patients undergo bone marrow aspirate and biopsy as in arm I. Treatment continues daily for a maximum of 1 year.

Patients with stable or progressive disease at day 120 receive filgrastim (G-CSF) SC daily or 3 days a week and epoetin alfa SC daily for up to 6 months. Patients with no response to G-CSF and lower-dose epoetin alfa may proceed to a higher dose of epoetin alfa.

Quality of life is assessed at baseline, every 4 months during study, and at study completion.

Patients are followed every 4 months for 2 years, every 6 months for 3 years, and then annually for 5 years.

PROJECTED ACCRUAL: A total of 139 patients will be accrued for this study within 3.6 years.

Study Design

Allocation: Randomized, Control: Active Control, Primary Purpose: Treatment

Conditions

Anemia

Intervention

epoetin alfa, filgrastim, quality-of-life assessment

Location

CCOP - Colorado Cancer Research Program, Incorporated
Denver
Colorado
United States
80224

Status

Active, not recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:58:48-0400

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Medical and Biotech [MESH] Definitions

This recombinant erythropoietin, a 165-amino acid glycoprotein (about 62% protein and 38% carbohydrate), regulates red blood cell production. Epoetin alfa is produced by Chinese hamster ovary cells into which the human erythropoietin gene has been inserted. (USP Dictionary of USAN and International Drug Names, 1996).

A recombinant protein which stimulates ERYTHROPOIESIS used to treat ANEMIA.

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Activities and programs intended to assure or improve the quality of care in either a defined medical setting or a program. The concept includes the assessment or evaluation of the quality of care; identification of problems or shortcomings in the delivery of care; designing activities to overcome these deficiencies; and follow-up monitoring to ensure effectiveness of corrective steps.

A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.

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