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Combination Chemotherapy With Bone Marrow Transplantation in Treating Men With Germ Cell Tumors

2014-07-23 21:57:11 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. It is not known whether combining chemotherapy with bone marrow transplantation is a more effective treatment for men with germ cell tumors.

PURPOSE: Randomized phase III trial to compare the effectiveness of combination chemotherapy with bone marrow transplantation in treating men with relapsed germ cell tumors.

Description

OBJECTIVES: I. Compare the event-free survival of male patients with germ cell tumors in relapse or first partial remission treated with salvage therapy comprising cisplatin, etoposide, and ifosfamide (PEI) or vinblastine, ifosfamide, and cisplatin (VeIP) with or without high-dose carboplatin, etoposide, and cyclophosphamide, followed by autologous bone marrow and/or peripheral blood stem cell transplantation.

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to prior complete remission to first-line treatment (yes vs no), primary site of disease (testicular vs retroperitoneal vs mediastinal), and lung metastases at study entry (yes vs no). Autologous bone marrow and peripheral blood stem cells (PBSC) are harvested. Part I (salvage): Patients are assigned to regimen A if they previously received vinblastine as part of a first-line treatment, such as cisplatin, vinblastine, and bleomycin (PVB) or cisplatin, cyclophosphamide, doxorubicin, vinblastine, and bleomycin (CISCA VB). Patients are assigned to regimen B if they previously received etoposide (VP-16) as part of a first-line treatment, such as bleomycin, VP-16, and cisplatin (BEP). Regimen A: Patients receive cisplatin IV over 2 hours, VP-16 IV over 2 hours, and ifosfamide IV over 1 hour on days 1-5 (PEI). Regimen B: Patients receive cisplatin and etoposide as in regimen A and vinblastine IV on days 1 and 2 (VeIP). Treatment on both regimens continues every 3 weeks for 2 courses. Patients with refractory disease at day 43 are taken off study. Part II: Patients are randomized to 1 of 2 treatment arms. Arm I: Patients receive 2 additional courses of PEI or VeIP. Arm II: Patients receive 1 additional course of PEI or VeIP, followed by 1 course of high-dose carboplatin IV over 2 hours, VP-16 IV over 2 hours, and cyclophosphamide IV over 1 hour on days 1-4. Autologous bone marrow and/or PBSC are reinfused on day 7 of the fourth course for patients on both arms. Patients on both arms with residual disease after the fourth course may undergo surgery.

PROJECTED ACCRUAL: A total of 280 patients will be accrued for this study.

Study Design

Allocation: Randomized, Primary Purpose: Treatment

Conditions

Extragonadal Germ Cell Tumor

Intervention

carboplatin, cisplatin, cyclophosphamide, etoposide, ifosfamide, vinblastine, autologous bone marrow transplantation, conventional surgery, peripheral blood stem cell transplantation

Location

Institut Gustave Roussy
Villejuif
France
F-94805

Status

Active, not recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:57:11-0400

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Medical and Biotech [MESH] Definitions

A sulfhydryl compound used to prevent urothelial toxicity by inactivating metabolites from ANTINEOPLASTIC AGENTS, such as IFOSFAMIDE or CYCLOPHOSPHAMIDE.

Positional isomer of CYCLOPHOSPHAMIDE which is active as an alkylating agent and an immunosuppressive agent.

A semisynthetic derivative of PODOPHYLLOTOXIN that exhibits antitumor activity. Etoposide inhibits DNA synthesis by forming a complex with topoisomerase II and DNA. This complex induces breaks in double stranded DNA and prevents repair by topoisomerase II binding. Accumulated breaks in DNA prevent entry into the mitotic phase of cell division, and lead to cell death. Etoposide acts primarily in the G2 and S phases of the cell cycle.

A major cytochrome P-450 enzyme which is inducible by PHENOBARBITAL in both the LIVER and SMALL INTESTINE. It is active in the metabolism of compounds like pentoxyresorufin, TESTOSTERONE, and ANDROSTENEDIONE. This enzyme, encoded by CYP2B1 gene, also mediates the activation of CYCLOPHOSPHAMIDE and IFOSFAMIDE to MUTAGENS.

An inorganic and water-soluble platinum complex. After undergoing hydrolysis, it reacts with DNA to produce both intra and interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity of cisplatin correlates with cellular arrest in the G2 phase of the cell cycle.

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