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|Ref Type||Journal Article|
|Authors||Rosen LS, Senzer N, Mekhail T, Ganapathi R, Chai F, Savage RE, Waghorne C, Abbadessa G, Schwartz B, Dreicer R|
|Title||A phase I dose-escalation study of Tivantinib (ARQ 197) in adult patients with metastatic solid tumors.|
|Journal||Clinical cancer research : an official journal of the American Association for Cancer Research|
|Date||2011 Dec 15|
|Abstract Text||Tivantinib, an oral, non-ATP competitive, selective c-MET inhibitor, exhibited antitumor activity in preclinical models. This open-label, phase I, dose-escalation study evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of tivantinib in patients with advanced or metastatic solid tumors refractory to standard therapy.Thirteen dose levels of tivantinib ranging from 10 to 360 mg twice a day were administered to patient cohorts in 21-day cycles (14 days on/7 days off); three active pharmaceutical ingredient forms of tivantinib (amorphous, crystalline A, and crystalline B) were also investigated. Treatment was continued until the occurrence of unacceptable toxicity, tumor progression, patient withdrawal, or death.A total of 79 patients with advanced solid tumors were enrolled. A maximum tolerated dose was not determined. Tivantinib was well tolerated, with mild to moderate toxicities. Two patients discontinued the study drug due to treatment-emergent adverse events. Dose-limiting grade of 3 or more toxicities including leukopenia, neutropenia, thrombocytopenia, vomiting, and dehydration, were observed in 2 patients treated with tivantinib 360 mg twice a day. The rate of absorption of tivantinib peaked approximately 2 to 4 hours after initial dosing, followed by a linear decrease in plasma concentrations. Increases in tivantinib exposure were not dose proportional. There was significant interpatient pharmacokinetic variability; however the clinical safety of tivantinib seemed unaffected. Three patients (3.8%) achieved a partial response and 40 patients (50.6%) maintained stable disease for a median of 19.9 weeks.Tivantinib 360 mg twice a day was well tolerated in patients with refractory advanced solid tumors. The results of this trial warrant further clinical investigation. Clin Cancer Res; 17(24); 7754-64. ©2011 AACR.|
|Molecular Profile||Treatment Approach|
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|Gene||Variant||Impact||Protein Effect||Variant Description||Associated with drug Resistance|
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|Unknown unknown||Advanced Solid Tumor||not applicable||Tivantinib||Phase I||Actionable||In a Phase I trial, Tivantinib (ARQ 197) demonstrated safety and some anti-tumor activity in patients with advanced solid tumors (PMID: 21976535).||21976535|