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|Ref Type||Journal Article|
|Authors||Steeghs N, Eskens FA, Gelderblom H, Verweij J, Nortier JW, Ouwerkerk J, van Noort C, Mariani M, Spinelli R, Carpinelli P, Laffranchi B, de Jonge MJ|
|Title||Phase I pharmacokinetic and pharmacodynamic study of the aurora kinase inhibitor danusertib in patients with advanced or metastatic solid tumors.|
|Journal||Journal of clinical oncology : official journal of the American Society of Clinical Oncology|
|Date||2009 Oct 20|
|Abstract Text||Danusertib (PHA-739358) is a small-molecule pan-aurora kinase inhibitor. This phase I dose escalation study was conducted to evaluate safety and tolerability of danusertib with additional pharmacokinetic, biomarker, and efficacy assessments.Patients with solid tumors refractory to standard therapies or with no standard therapy available were enrolled. Danusertib was administered intravenously on days 1, 8, and 15 every 28 days in 6-hour or 3-hour infusion schedules (ie, 6-hour IVS or 3-hour IVS). Dose levels from 45 mg/m(2) in the 6-hour IVS, and from 250 mg/m(2) in the 3-hour IVS, were studied.Fifty patients were treated. For the 6-hour IVS, the most frequently reported adverse effects were neutropenia (55%), nausea (25%), anorexia (23%), fatigue (20%), and diarrhea (18%). In the 3-hour IVS, fatigue (70%), neutropenia (60%), diarrhea (50%), and nausea (30%) were seen. Nonhematologic toxicity was mild to moderate. Neutropenia was dose limiting. The maximum-tolerated dose was 330 mg/m(2) for the 6-hour IVS and was not identified for the 3-hour IVS. The systemic exposure to danusertib increased linearly with dose. The infusion rate did not appear to remarkably influence the pharmacokinetics of danusertib. Biomarker analysis showed inhibition of histone H3 phosphorylation, indicative of aurora B inhibition, at doses of 190 mg/m(2) or greater. Stable disease was observed in 23.7% of evaluable patients, and disease stabilization occurred in 6 or more months in five patients.Dose-limiting toxicity of danusertib is neutropenia, which was short lasting and generally uncomplicated; danusertib administration had limited nonhematologic toxicity. The recommended dose of danusertib for phase II studies is 330 mg/m(2) infused over 6 hours on days 1, 8, and 15 every 28 days.|
|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|
|Unknown unknown||Advanced Solid Tumor||not applicable||Danusertib||Phase I||Actionable||In a phase I trial, Danusertib (PHA-739358) demonstrated safety and minimal efficacy in a patients with advanced solid tumors (PMID: 19770380, PMID: 22242557).||22242557 19770380|