Dataset Information

Study On Pazopanib When Given With FOLFOX6 (Fluorouracil, Oxaliplatin, Leucovorin) Or CapeOx (Capecitabine, Oxaliplatin)

ABSTRACT: This study will test the safety of treating colorectal cancer with a combination of drugs. The current standard treatments of FOLFOX6 or CapeOx will be give in combination with the GSK investigational drug pazopanib.

DISEASE(S): Neoplasms, Colorectal,Colorectal Cancer,Colorectal Neoplasms

PROVIDER: 2033520 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:PurposeTo verify whether the intensification of the upfront chemotherapy backbone with a modified schedule of modified fluorouracil, leucovorin, oxaliplatin, and irinotecan (mFOLFOXIRI) increases the activity of fluorouracil, leucovorin, and oxaliplatin when both regimens are combined with panitumumab as initial treatment for RAS and BRAF wild-type (wt) metastatic colorectal cancer (mCRC).MethodsTRIPLETE was a prospective, open-label, phase III trial in which previously untreated patients with unresectable RAS and BRAF wt mCRC were randomly assigned 1:1 to modified FOLFOX/panitumumab (control group) or mFOLFOXIRI/panitumumab (experimental group) up to 12 cycles, followed by fluorouracil/-leucovorin/panitumumab until disease progression. The primary end point was objective response rate (ORR) according to RECIST 1.1. Hypothesizing an ORR of 60% in the control group, 432 cases provided 90% power to a two-sided chi-square test for heterogeneity with a two-sided alpha error of .05 to detect ≥ 15% differences between arms (ClinicalTrials.gov identifier: NCT03231722).ResultsFrom September 2017 to September 2021, 435 patients were enrolled (control group/experimental group: 217/218) in 57 Italian sites. One hundred sixty (73%) patients treated with mFOLFOXIRI plus panitumumab and 165 (76%) patients treated with modified FOLFOX plus panitumumab achieved RECIST response (odds ratio 0.87, 95% CI, 0.56 to 1.34, P = .526). No differences in early tumor shrinkage rate (57%/58%, P = .878) and deepness of response (median: 48%/47%, P = .845) were reported, nor in R0 resection rate (25%/29%, P = .317). No significant difference between arms was reported in terms of progression-free survival (median progression-free survival: 12.7 in the experimental group v 12.3 months in the control group, hazard ratio: 0.88, 95% CI, 0.70 to 1.11, P = .277).ConclusionThe intensification of the upfront chemotherapy backbone in combination with panitumumab does not provide additional benefit in terms of treatment activity at the price of increased gastrointestinal toxicity in patients with RAS and BRAF wt mCRC.

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Study On Pazopanib When Given With FOLFOX6 (Fluorouracil, Oxaliplatin, Leucovorin) Or CapeOx (Capecitabine, Oxaliplatin)

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