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Cancer Treat Rep. 1983 Jun;67(6):583-5.

Treatment of metastatic carcinoid tumor with dactinomycin or dacarbazine.


We studied the effect of two single drugs on patients with metastatic carcinoid tumors. All patients had symptomatic and measurable disease and all had elevations of urinary 5-hydroxy indole acetic acid excretion. Seventeen patients were treated with dactinomycin at a dose of 12-15 micrograms/kg/day for 5 days repeated every 4-5 weeks. One partial response was achieved. Fifteen patients were treated with dacarbazine (DTIC) at a dose of 250 mg/m2/day for 5 days every 4-5 weeks. Two partial responses were achieved. The median times to tumor progression were 10 weeks with dactinomycin and 18 weeks with DTIC. Median survival times were 28 and 47 weeks, respectively. Dactinomycin given by this schedule appears to have only limited activity as a single-agent treatment in malignant carcinoid tumor. DTIC, although showing only a slightly better response rate, perhaps warrants further investigation in view of our more favorable interval to tumor progression and survival experience and in view of this drug's more established activity in the closely related islet cell carcinoma.

[Indexed for MEDLINE]

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