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Medline ® Abstract for Reference 75

of 'Chemotherapy for advanced exocrine pancreatic cancer'

75
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Increased survival in pancreatic cancer with nab-paclitaxel plus gemcitabine.
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Von Hoff DD, Ervin T, Arena FP, Chiorean EG, Infante J, Moore M, Seay T, Tjulandin SA, Ma WW, Saleh MN, Harris M, Reni M, Dowden S, Laheru D, Bahary N, Ramanathan RK, Tabernero J, Hidalgo M, Goldstein D, Van Cutsem E, Wei X, Iglesias J, Renschler MF
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N Engl J Med. 2013;369(18):1691. Epub 2013 Oct 16.
 
BACKGROUND: In a phase 1-2 trial of albumin-bound paclitaxel (nab-paclitaxel) plus gemcitabine, substantial clinical activity was noted in patients with advanced pancreatic cancer. We conducted a phase 3 study of the efficacy and safety of the combination versus gemcitabine monotherapy in patients with metastatic pancreaticcancer.
METHODS: We randomly assigned patients with a Karnofsky performance-status score of 70 or more (on a scale from 0 to 100, with higher scores indicating better performance status) to nab-paclitaxel (125 mg per square meter of body-surface area) followed by gemcitabine (1000 mg per square meter) on days 1, 8, and 15 every 4 weeks or gemcitabine monotherapy (1000 mg per square meter) weekly for 7 of 8 weeks (cycle 1) and then on days 1, 8, and 15 every 4 weeks (cycle 2 and subsequent cycles). Patients received the study treatment until disease progression. The primary end point was overall survival; secondary end points were progression-free survival and overall response rate.
RESULTS: A total of 861 patients were randomly assigned to nab-paclitaxel plus gemcitabine (431 patients) or gemcitabine (430). The median overall survival was 8.5 months in the nab-paclitaxel-gemcitabine group as compared with 6.7 months in the gemcitabine group (hazard ratio for death, 0.72; 95% confidence interval [CI], 0.62 to 0.83; P<0.001). The survival rate was 35% in the nab-paclitaxel-gemcitabine group versus 22% in the gemcitabine group at 1 year, and 9% versus 4% at 2 years. The median progression-free survival was 5.5 months in the nab-paclitaxel-gemcitabine group, as compared with 3.7 months in the gemcitabine group (hazard ratio for disease progression or death, 0.69; 95% CI, 0.58 to 0.82; P<0.001); the response rate according to independent review was 23% versus 7% in the two groups (P<0.001). The most common adverse events of grade 3 or higher were neutropenia (38% in the nab-paclitaxel-gemcitabine group vs. 27% in the gemcitabine group), fatigue (17% vs. 7%), and neuropathy (17% vs. 1%). Febrile neutropenia occurred in 3% versus1% of the patients in the two groups. In the nab-paclitaxel-gemcitabine group, neuropathy of grade 3 or higher improved to grade 1 or lower in a median of 29 days.
CONCLUSIONS: In patients with metastatic pancreatic adenocarcinoma, nab-paclitaxel plus gemcitabine significantly improved overall survival, progression-free survival, and response rate, but rates of peripheral neuropathy and myelosuppression were increased. (Funded by Celgene; ClinicalTrials.gov number, NCT00844649.).
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From the Translational Genomics Research Institute, Phoenix, and Virginia G. Piper Cancer Center, Scottsdale - both in Arizona (D.D.V.H., R.K.R.); Cancer Specialists, Fort Myers, FL (T.E.); Arena Oncology Associates, Lake Success (F.P.A.), and Roswell Park Cancer Institute, Buffalo (W.W.M.) - both in New York; University of Washington, Seattle (E.G.C.); Sarah Cannon Research Institute-Tennessee Oncology, Nashville (J. Infante); Princess Margaret Hospital, Toronto (M.M.); Atlanta Cancer Care (T.S.) and Georgia Cancer Specialists (M.N.S.) - both in Atlanta; Blokhin Cancer Research Center, Moscow (S.A.T.); Southern Health, East Bentleigh, VIC (M.H.), Prince of Wales Hospital, Sydney (D.G.), and Bionomics, Thebarton, SA (J. Iglesias) - all in Australia; San Raffaele Scientific Institute, Milan (M.R.); Tom Baker Cancer Centre, Calgary, AB, Canada (S.D.); Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore (D.L.); University of Pittsburgh Medical Center, Pittsburgh (N.B.);
PMID