Twenty-two patients with metastatic colorectal cancer entered a Phase I-II trial to assess the maximum tolerable dose of alpha-2B-interferon administered intramuscularly three times per week in combination with fixed doses of 5-fluorouracil (450 mg/m2 IV for 5 days, and, from day 28, weekly) and folinic acid (200 mg/m2 IV before 5-fluorouracil) and the efficacy of this combination. Diarrhea and mucositis were the most frequent 5-fluorouracil-related toxicities and were > or = ECOG grade 3 in 23\% and 18\% of patients, respectively. Of 15 patients receiving interferon > or = 9 x 10(6) IU, 10 required interferon dose reduction mostly because of severe fatigue, anorexia, and declining performance status. Among 19 patients evaluable for response, 3 achieved a partial response and 1 a complete response for an overall response rate of 21\% (95\% confidence interval, 6-46\%). In conclusion, our study demonstrates that IFN-alpha 2B at doses higher than 6 x 10(6) IU intramuscularly three times per week in the combination with 5-fluorouracil and folinic acid we used is too toxic for the majority of patients; this combination has moderate activity in metastatic colorectal cancer, although similar response rates have been reported, with less toxicity, with 5-fluorouracil plus folinic acid without IFN-alpha. A larger Phase III study would be required to determine the value of IFN-alpha in this combination.
Double 5-fluorouracil modulation with folinic acid and recombinant alpha-2B-interferon. A phase I-II study in metastatic colorectal cancer patients / I., Brunetti; A., Falcone; M., Bertuccelli; C., Cianci; S., Ricci; Conte, Pierfranco. - In: AMERICAN JOURNAL OF CLINICAL ONCOLOGY: CANCER CLINICAL TRIALS. - ISSN 0277-3732. - STAMPA. - 17:(1994), pp. 210-214.
Double 5-fluorouracil modulation with folinic acid and recombinant alpha-2B-interferon. A phase I-II study in metastatic colorectal cancer patients.
CONTE, Pierfranco
1994
Abstract
Twenty-two patients with metastatic colorectal cancer entered a Phase I-II trial to assess the maximum tolerable dose of alpha-2B-interferon administered intramuscularly three times per week in combination with fixed doses of 5-fluorouracil (450 mg/m2 IV for 5 days, and, from day 28, weekly) and folinic acid (200 mg/m2 IV before 5-fluorouracil) and the efficacy of this combination. Diarrhea and mucositis were the most frequent 5-fluorouracil-related toxicities and were > or = ECOG grade 3 in 23\% and 18\% of patients, respectively. Of 15 patients receiving interferon > or = 9 x 10(6) IU, 10 required interferon dose reduction mostly because of severe fatigue, anorexia, and declining performance status. Among 19 patients evaluable for response, 3 achieved a partial response and 1 a complete response for an overall response rate of 21\% (95\% confidence interval, 6-46\%). In conclusion, our study demonstrates that IFN-alpha 2B at doses higher than 6 x 10(6) IU intramuscularly three times per week in the combination with 5-fluorouracil and folinic acid we used is too toxic for the majority of patients; this combination has moderate activity in metastatic colorectal cancer, although similar response rates have been reported, with less toxicity, with 5-fluorouracil plus folinic acid without IFN-alpha. A larger Phase III study would be required to determine the value of IFN-alpha in this combination.Pubblicazioni consigliate
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