Gynecologic oncology · 2006
Phase I/II study of weekly paclitaxel plus carboplatin and gemcitabine as first-line treatment of advanced-stage ovarian cancer: pathologic complete response and longitudinal assessment of impact on cognitive functioning.
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Hensley Martee L, Correa Denise D, Thaler Howard, Wilton Andrew, Venkatraman Ennapadam, Sabbatini Paul, Chi Dennis S, Dupont Jakob, Spriggs David, Aghajanian Carol
Аннотация
BACKGROUND: To determine the pathologic complete response rate of advanced ovarian cancer to weekly paclitaxel plus gemcitabine and carboplatin with filgrastim, and assess the longitudinal impact of this regimen on quality-of-life and cognitive functioning.
METHODS: Fourteen patients with advanced ovarian, peritoneal, or fallopian tube cancer were treated in the phase I portion of the study. Initial doses were paclitaxel: 60 mg/m(2) days 1, 8, and 15; gemcitabine: 800 mg/m(2) days 1 and 8; and carboplatin: area under the curve (AUC) 5 day 1, every 21 days for 6 cycles with filgrastim. Twenty-seven patients were treated at the phase II dose. Pathologic response was assessed by second-look laparoscopy in patients with complete response. Patients completed longitudinal assessments of quality-of-life and cognitive functioning.
RESULTS: Maximally tolerated doses were paclitaxel: 80 mg/m(2) days 1 and 8; gemcitabine: 800 mg/m(2) days 1 and 8; and carboplatin: AUC 5 day 1, every 21 days. Forty-eight percent of patients (13/27) experienced at least 1 grade 3 nonhematologic toxicity. Fifty percent (95% confidence interval [CI], 31-69%) of assessable patients achieved pathologic complete response. Median progression-free survival was 27.3 months (95% CI, 17.7 months to not reached), and overall survival 43.6 months (95% CI, 42 months to not reached). Cognitive functioning did not decline during or after chemotherapy. More highly educated women reported a perceived decline in concentration and memory while on chemotherapy. Quality-of-life scores were maintained during therapy.
CONCLUSIONS: Fifty percent of patients with advanced-stage ovarian cancer achieved pathologic complete response to weekly paclitaxel plus gemcitabine and carboplatin. Cognitive functioning did not decline by objective measures, although highly educated women reported subjective impairment.
METHODS: Fourteen patients with advanced ovarian, peritoneal, or fallopian tube cancer were treated in the phase I portion of the study. Initial doses were paclitaxel: 60 mg/m(2) days 1, 8, and 15; gemcitabine: 800 mg/m(2) days 1 and 8; and carboplatin: area under the curve (AUC) 5 day 1, every 21 days for 6 cycles with filgrastim. Twenty-seven patients were treated at the phase II dose. Pathologic response was assessed by second-look laparoscopy in patients with complete response. Patients completed longitudinal assessments of quality-of-life and cognitive functioning.
RESULTS: Maximally tolerated doses were paclitaxel: 80 mg/m(2) days 1 and 8; gemcitabine: 800 mg/m(2) days 1 and 8; and carboplatin: AUC 5 day 1, every 21 days. Forty-eight percent of patients (13/27) experienced at least 1 grade 3 nonhematologic toxicity. Fifty percent (95% confidence interval [CI], 31-69%) of assessable patients achieved pathologic complete response. Median progression-free survival was 27.3 months (95% CI, 17.7 months to not reached), and overall survival 43.6 months (95% CI, 42 months to not reached). Cognitive functioning did not decline during or after chemotherapy. More highly educated women reported a perceived decline in concentration and memory while on chemotherapy. Quality-of-life scores were maintained during therapy.
CONCLUSIONS: Fifty percent of patients with advanced-stage ovarian cancer achieved pathologic complete response to weekly paclitaxel plus gemcitabine and carboplatin. Cognitive functioning did not decline by objective measures, although highly educated women reported subjective impairment.