9 research outputs found
Phase I Study of Pazopanib in Patients with Advanced Solid Tumors and Hepatic Dysfunction: A National Cancer Institute Organ Dysfunction Working Group Study
Pazopanib is a potent, multi-targeted receptor tyrosine kinase inhibitor; however, there is limited information regarding the effects of liver function on pazopanib metabolism and pharmacokinetics (PK). The objective of this study was to establish the maximum tolerated dose (MTD) and PK profile of pazopanib in patients with varying degrees of hepatic dysfunction
Effect of meal and propranolol on whole body and splanchnic oxygen consumption in patients with cirrhosis
Effect of meal and propranolol on whole body and splanchnic oxygen consumption in patients with cirrhosis
Systematic review of time to subsequent therapy as a candidate surrogate endpoint in advanced solid tumours - supplementary material
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An Open-Label, Multicenter, Randomized, Phase II Study of Pazopanib in Combination with Pemetrexed in First-Line Treatment of Patients with Advanced-Stage Non-Small-Cell Lung Cancer
Introduction:This randomized open-label phase II study evaluated the efficacy, safety, and tolerability of pazopanib in combination with pemetrexed compared with the standard cisplatin/pemetrexed doublet in patients with previously untreated, advanced, nonsquamous non–small-cell lung cancer.Methods:Patients were randomized (2:1 ratio) to receive pemetrexed 500 mg/m2 intravenously once every 3 weeks plus either oral pazopanib 800 mg daily or cisplatin 75 mg/m2 intravenously once every 3 weeks up to six cycles. All patients received folic acid, vitamin B12, and steroid prophylaxis. The primary endpoint was progression-free survival (PFS).Results:The study was terminated after 106 of 150 patients were randomized due to a higher incidence of adverse events leading to withdrawal from the study and severe and fatal adverse events in the pazopanib/pemetrexed arm than in the cisplatin/pemetrexed arm. At the time enrolment was discontinued, there were three fatal adverse events in the pazopanib/pemetrexed arm, including ileus, tumor embolism, and bronchopneumonia/sepsis. Treatment with pazopanib/pemetrexed was discontinued resulting in more PFS data censored for patients in the pazopanib/pemetrexed arm than those in the cisplatin/pemetrexed arm. There was no statistically significant difference between the pazopanib/pemetrexed and cisplatin/pemetrexed arms for PFS (median PFS, 25.0 versus 22.9 weeks, respectively; hazard ratio = 0.75; 95% confidence interval, 0.43%–1.28%; p = 0.26) or objective response rate (23% versus 34%, respectively; 95% confidence interval, –30.6% to 7.2%; p = 0.21).Conclusion:The combination of pazopanib/pemetrexed in first-line treatment of non–small-cell lung cancer showed some antitumor activity but had unacceptable levels of toxicity
A Multicenter Phase I Study of Pazopanib in Combination with Paclitaxel in First-Line Treatment of Patients with Advanced Solid Tumors
Phase I Study of Pazopanib in Patients with Advanced Solid Tumors and Hepatic Dysfunction: A National Cancer Institute Organ Dysfunction Working Group Study
PURPOSE: Pazopanib is a potent, multi-targeted receptor tyrosine kinase inhibitor; however, there is limited information regarding the effects of liver function on pazopanib metabolism and pharmacokinetics (PK). The objective of this study was to establish the maximum tolerated dose (MTD) and PK profile of pazopanib in patients with varying degrees of hepatic dysfunction. EXPERIMENTAL DESIGN: Patients with any solid tumors or lymphoma were stratified into four groups based on the degree of hepatic dysfunction according to the National Cancer Institute Organ Dysfunction Working Group (NCI ODWG) criteria. Pazopanib was given orally once a day on a 21-day cycle. A modified 3+3 design was used. RESULTS: Ninety eight patients were enrolled. Patients in the mild group tolerated 800 mg per day. The moderate and severe groups tolerated 200 mg per day. Pharmacokinetic data in the mild group were similar to the data in the normal group. Comparison of the median C(max) and AUC((0–24)) in the moderate or severe groups at 200 mg per day to the values in the normal and mild groups at 800 mg per day indicated less than dose-proportional systemic exposures in patients with moderate and severe hepatic impairment. This suggests that the lower MTD in the moderate and severe group is not due to a decrease in drug clearance or alteration in the proportion of metabolites. CONCLUSIONS: In patients with mild liver dysfunction, pazopanib is well tolerated at the FDA-approved dose of 800 mg per day. Patients with moderate and severe liver dysfunction tolerated 200 mg per day