Biomedical subjects
Publications and source records attributed to C L Vogel.
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Nineteen females with metastatic breast cancer (73% with visceral disease) treated with cyclophosphamide, Adriamycin, and 5-fluorouracil (CAF) cytoreduction followed by, and then alternated with, an intensive "cycle-active" regimen were evaluable. Sixteen of the 19 (84%) patients responded to CAF prior to initiation of the cycle-active regimen, and median remission duration for CAF responders was 50 weeks. The regimen was tolerable and the remission rates and durations were at least as good as those seen with CAF alone. This regimen is now being compared with CAF in a randomized trial of the Southeastern Cancer Study Group.
In a phase I trial, 2,3-dihydro-1H-imidazo[1,2-b]pyrazole was administered iv weekly at doses ranging from 0.1 to 3.0 g/m2/wk to patients with refractory metastatic solid tumors. Although gastrointestinal toxicity was tolerable and neither granulocyte nor platelet toxicity was seen, significant dose-limiting hemolysis was encountered at doses of 1.5 g/m2/wk. While no definite tumor regressions were seen in the 32 patients evaluable for response, two patients (squamous cell carcinoma of lung and tonsil) had clinically useful improvement.