Reference Detail

Ref Type

Journal Article

PMID

(23064954)

Authors

Plummer R, Madi A, Jeffels M, Richly H, Nokay B, Rubin S, Ball HA, Weller S, Botbyl J, Gibson DM, Scheulen ME

Title

A Phase I study of pazopanib in combination with gemcitabine in patients with advanced solid tumors.

Journal	Vol	Issue	Date	Pages	Journal Short Title
Cancer chemotherapy and pharmacology	71	1	2013 Jan	93-101	Cancer Chemother Pharmacol

URL

Abstract Text

Pazopanib plus gemcitabine combination therapy was explored in patients with advanced solid tumors.In a modified 3 + 3 enrollment scheme, oral once-daily pazopanib was administered with intravenous gemcitabine (Days 1 and 8, 21-day cycles). Three protocol-specified dose levels were tested: pazopanib 400 mg plus gemcitabine 1,000 mg/m(2), pazopanib 800 mg plus gemcitabine 1,000 mg/m(2), and pazopanib 800 mg plus gemcitabine 1,250 mg/m(2). Maximum-tolerated dose was based on dose-limiting toxicities during treatment Cycle 1. In the expansion phase, six additional patients were enrolled at the highest tolerable dose level.Twenty-two patients were enrolled. At the highest dose level tested (pazopanib 800 plus gemcitabine 1,250), patients received >80% of their planned dose and the regimen was deemed safe and tolerable. The most common treatment-related adverse events included fatigue, neutropenia, nausea, and decreased appetite. Neutropenia and thrombocytopenia were the most common events leading to dose modifications. Pharmacokinetic interaction between pazopanib and gemcitabine was not observed. One objective partial response at the highest dose was observed in a patient with metastatic melanoma. Prolonged disease stabilization (>12 cycles) was reported in three patients (metastatic melanoma, cholangiocarcinoma, and colorectal carcinoma).Combination pazopanib plus gemcitabine therapy is tolerable, with an adverse event profile reflective of that associated with the individual agents. There was no apparent pharmacokinetic interaction with pazopanib plus gemcitabine co-administration, although patient numbers were limited. Further investigation of combined pazopanib plus gemcitabine is warranted.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References