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Combination Chemotherapy Followed By Radiation Therapy in Treating Patients With Aggressive Non-Hodgkin's Lymphoma

2014-08-27 03:55:32 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining more than one drug and giving the drugs in different ways may kill more cancer cells. Radiation therapy uses high-energy x-rays to damage cancer cells. It is not yet known which combination chemotherapy regimen followed by radiation therapy is more effective in treating aggressive non-Hodgkin's lymphoma.

PURPOSE: This randomized phase III trial is studying two combination chemotherapy regimens followed by radiation therapy to compare how well they work in treating patients with aggressive non-Hodgkin's lymphoma.

Description

OBJECTIVES:

- Compare the efficacy of standard-dose vs high-dose cyclophosphamide, doxorubicin, vincristine, etoposide, and prednisone followed by radiotherapy, in terms of time to treatment failure, in patients with aggressive non-Hodgkin's lymphoma.

- Compare the acute and long-term toxic effects of these regimens in these patients.

- Compare the complete response rate, survival and tumor control, and disease-free survival in patients treated with these regimens.

- Analyze the time to relapse after radiotherapy in these patients.

OUTLINE: This is a randomized, open-label, multicenter study. Patients are stratified according to LDH levels (no greater than upper limit of normal [ULN] vs greater than ULN), initial bulky disease (yes vs no), stage (I or II vs II or IV), ECOG performance status (0 or 1 vs 2 or 3), and participating center. Patients are randomized to 1 of 2 treatment arms as follows:

- Arm I (Standard dose): Patients receive cyclophosphamide IV, doxorubicin IV, and vincristine IV on day 1; etoposide IV on days 1-3; and oral prednisone on days 1-5 (CHOEP) in standard doses.

- Arm II (Escalated dose): Patients receive high-dose CHOEP as in arm I. Patients also receive filgrastim (G-CSF) subcutaneously on days 6-12.

In both arms, treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity.

After completion of CHOEP chemotherapy, patients with initial bulky disease or extranodal involvement undergo radiotherapy 5 days a week for 4 weeks.

Patients who undergo radiotherapy are followed at 2 months after radiotherapy. All patients (including those who undergo radiotherapy) are followed every 3 months for 2 years and then every 6 months for 3 years.

PROJECTED ACCRUAL: A total of 552 patients were accrued for this study within 4.75 years.

Study Design

Allocation: Randomized, Control: Active Control, Masking: Open Label, Primary Purpose: Treatment

Conditions

Lymphoma

Intervention

filgrastim, EPOCH regimen, cyclophosphamide, doxorubicin hydrochloride, etoposide, prednisone, vincristine sulfate, radiation therapy

Location

Haematologisch Onkologische Praxis
Aachen
Germany
52070

Status

Active, not recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:55:32-0400

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Medical and Biotech [MESH] Definitions

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.

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