Phase II study of AMSA alone and in combination with DTIC in patients with metastatic melanoma.
A randomized phase II study of AMSA (amsacrine) alone and AMSA combined with DTIC (dacarbazine) was carried out in 31 and 39 patients with metastatic melanoma respectively. AMSA was used at a starting dose of 40 mg/m2/day X 3 days with escalation to 50-60 mg/m2/day X 3 days in 8 pts. For AMSA + DTIC the starting dose was: AMSA 30 mg/m2/day X 3 days; DTIC, 800 mg/m2 X 1 day. Additionally, seven pts received AMSA in a similar dose schedule but DTIC was used in a 5-day schedule of 250 mg/m2/day. Twenty-five patients were evaluable for response in the AMSA group and 36 in the AMSA + DTIC group. The objective response to AMSA included 1(4%) partial response compared with 11 complete or partial responses (30%) with AMSA + DTIC therapy. The median lowest absolute granulocyte count was 1100/microliters in AMSA group compared with 1000/microliters in the AMSA + DTIC group. Severe neutropenia of less than 500 granulocytes/microliter was observed in 5 pts in the AMSA group compared with 13 pts in the AMSA + DTIC group. We concluded that AMSA has no significant activity against melanoma, although the combination of AMSA + DTIC seemed to be more active than DTIC alone.[1]References
- Phase II study of AMSA alone and in combination with DTIC in patients with metastatic melanoma. Polyzos, A., Legha, S.S., Burgess, A.M., Benjamin, R.S., Bodey, G.P. Investigational new drugs. (1988) [Pubmed]
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