GM-CSF significantly enhanced ANC recovery after FAC chemotherapy; it decreased the incidence and duration of associated neutropenia and moderately increased the dose-intensity of adjuvant chemotherapy. Whether these effects will ultimately translate into improved long-term outcome remains to be determined.
A 58-year-old white woman with known metastatic glucagonoma had widespread necrolytic migratory erythema characteristic of the glucagonoma syndrome. She did not respond to conventional chemotherapy with streptozocin. After one course of dacarbazine therapy, she had remission of the glucagonoma clinically with regression of tumor metastases as defined by liver scanning. After 10 months and additional courses of dacarbazine therapy, she remains in clinical remission. Plasma glucagon levels have decreased although they remain at two to four times the upper limit of normal. On several occasions there was resolution of this patient's rash after intravenous glucose in the absence of supplemental amino acids. We conclude that dacarbazine is an effective mode of chemotherapy for malignant glucagonoma.
PIXY321 decreased the incidence and duration of FAC-induced grade 3 and 4 neutropenia in cycles 1 and 2 and significantly shortened the time to hematologic recovery in all cycles. However, it produced more systemic toxicity as well as thrombocytopenia in cycles 3 and 4.
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