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Phase II study of cisplatin, ifosfamide, and irinotecan with rhG-CSF support in patients with stage IIIb and IV non-small-cell lung cancer.

ABSTRACT: A phase II study of cisplatin, ifosfamide, and irinotecan with recombinant human granulocyte colony stimulating factor (rhG-CSF) support was conducted in previously untreated patients with stage IIIB or IV non-small-cell lung cancer (NSCLC). Between June 1998 and August 2001, 50 patients were registered in this phase II study. Cisplatin (20 mg m(-2)) and ifosfamide (1.5 g m(-2)) were administered on days 1-4 and irinotecan (60 mg m(-2)) was given on days 1, 8, and 15, respectively. This regimen was repeated every 4 weeks. rhG-CSF was administered subcutaneously at a dose of 50 microg m(-2) on days 5-18 except on the days of irinotecan treatment. In total, 49 patients were assessable for toxicity and response and 50 for survival. In all, 33, patients (67.3%; 95% confidence interval 57.4-77.2%) achieved an objective response. The median response duration was 192 days and the median time to progression for 49 patients was 170 days. The median survival time was 540 days with 1- and 2-year survival rates of 63.5 and 30.7%, respectively. Grade 3 or 4 neutropenia and thrombocytopenia developed in 63.3 and 38.8% of the patients, respectively. In conclusion, the combination of cisplatin, ifosfamide, and irinotecan with rhG-CSF support was highly effective for the treatment of stage IIIB or IV NSCLC with acceptable toxicities.

SUBMITTER: Fujita A

PROVIDER: S-EPMC2376953 | biostudies-other | 2003 Sep

REPOSITORIES: biostudies-other

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Project description:BackgroundASP8273, a novel, small molecule, irreversible tyrosine kinase inhibitor (TKI) specifically inhibits the epidermal growth factor receptor (EGFR) in patients with activating mutations or EGFR T790M resistance mutations. The current study examines the efficacy, safety, and tolerability of ASP8273 versus erlotinib or gefitinib in patients with non-small-cell lung cancer (NSCLC) with activating EGFR mutations not previously treated with an EGFR inhibitor.Patients and methodsThis global, phase III, open-label, randomized study evaluated ASP8273 versus erlotinib/gefitinib in patients with locally advanced, metastatic, or unresectable stage IIIB/IV NSCLC with activating EGFR mutations. They were ineligible if they received prior chemotherapy for metastatic disease. The primary end point was progression-free survival (PFS), and secondary end points included overall survival, investigator-assessed PFS, best overall response rate (ORR), disease control rate, duration of response (DoR), and the safety/tolerability profile.ResultsPatients (n = 530) were randomized 1 : 1 to receive ASP8273 (n = 267) or erlotinib/gefitinib (n = 263). Patient demographics between both treatment groups were generally balanced. Median PFS was 9.3 months (95% CI 5.6-11.1 months) for patients receiving ASP8273 and 9.6 months (95% CI 8.8-NE) for the erlotinib/gefitinib group, with a hazard ratio of 1.611 (P = 0.992). The ORR in the ASP8273 group was 33% (95% CI 27.4-39.0) versus 47.9% (95% CI 41.7-54.1) in the erlotinib/gefitinib group. Median DoR was similar for both groups (9.2 months for ASP8273 versus 9.0 months for erlotinib/gefitinib). More grade ≥3 treatment-emergent adverse events (TEAEs) occurred in patients receiving ASP8273 than in those receiving erlotinib/gefitinib (54.7% versus 43.5%). An independent data monitoring committee carried out an interim safety analysis and recommended discontinuing the study due to toxicity and limited predicted efficacy of ASP8273 relative to erlotinib/gefitinib.ConclusionsFirst-line ASP8273 did not show improved PFS or equivalent toxicities versus erlotinib/gefitinib.Clinicaltrial.gov numberNCT02588261.

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Phase II study of cisplatin, ifosfamide, and irinotecan with rhG-CSF support in patients with stage IIIb and IV non-small-cell lung cancer.

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