Treatment of AIDS related non-Hodgkin's lymphoma with combination mitoguazone dihydrochloride and low dose CHOP chemotherapy: results of a phase II study.

Invest New Drugs 2004 Jan;22(1):63-8

Department of Medicine and Radiology, University of Southern California Medical Center, Norris Cancer Hospital and Research Institute, Los Angeles, CA, USA.

Purpose: To evaluate the response and side effects of combination therapy with low dose CHOP chemotherapy and mitoguazone dihydrochloride in patients with non-Hodgkin's lymphoma associated with the acquired immunodeficiency syndrome (AIDS-NHL).

Methods: Eighteen patients newly diagnosed with intermediate or high-grade AIDS-NHL were treated with low dose CHOP as follows: day 1, cyclophosphamide 350 mg/m(2), intravenously (IV); doxorubicin 25mg/m(2) IV; vincristine 2mg IV; and prednisone 100mg given orally on days 1 through 5. In addition, mitoguazone dihydrochloride was given at a dose of 600 mg/m(2) IV on days 1 and 15 of each 28-day treatment cycle.

Results: Seventeen males and one female patient were accrued. Twelve patients had high-grade pathologies while the remainder had an intermediate grade pathology (diffuse large cell). The median CD4+ lymphocyte count was 98/dl (range 1-924). Three patients (17%) reported an AIDS-defining illness prior to lymphoma diagnosis. Of 14 evaluable patients, 6 (43%) achieved a complete remission and 5 (35%) a partial remission. The median failure free and overall survival times were 6.5 and 8.4 months, respectively. Major toxicity was hematologic with grade 3 or 4 neutropenia in 72%; two patients died of neutropenic sepsis.

Conclusions: Mitoguazone in combination with low dose CHOP is a safe regimen, associated with a response rate of 79% (CR 43%, PR 36%, 95% CI=49-95%). These preliminary results suggest no major improvement in terms of response over use of CHOP without mitoguazone.

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January 2004
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