Investigational new drugs · 2014
Phase I study of elisidepsin (Irvalec®) in combination with carboplatin or gemcitabine in patients with advanced malignancies.
Клиническое исследование I фазыСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Goldwasser Francois, Faivre Sandrine, Alexandre Jerome, Coronado Cinthya, Fernández-García Eva M, Kahatt Carmen M, Paramio Pilar García, Dios Jorge Luis Iglesias, Miguel-Lillo Bernardo, Raymond Eric
Аннотация
OBJECTIVE: To determine the maximum tolerated dose and the recommended dose (RD) for phase II trials of elisidepsin (Irvalec®) in combination with carboplatin or gemcitabine.
METHODS: Open-label, dose-escalating, two-arm, uncontrolled, phase I study. Patients received carboplatin on Day (D) 1, followed by elisidepsin on D1 and D8, every 3 weeks, or gemcitabine on D1 and D15, followed by elisidepsin on D1 and D15, every 4 weeks. A pharmacokinetic analysis was done from blood samples collected during the first treatment infusion.
RESULTS: Fifteen patients were treated with carboplatin/elisidepsin at doses from 4 AUC/1.0 mg flat dose (FD) to 5 AUC/2.5 mg FD. Two patients had dose-limiting toxicities (DLTs) at 5 AUC/2.0 mg, a dose delay >2 weeks due to grade-2 ALT increase and grade-3 thrombocytopenia, and a D8 infusion omission due to grade-3 ALT increase. The RD was established at 4 AUC/1.0 mg. Toxicity consisted mainly of mild-moderate anorexia, fatigue, and nausea. Twenty-two patients were treated with gemcitabine/elisidepsin at doses from 1,000 mg*m(2)/1.0 mg FD to 1,250 mg*m(2)/7.5 mg FD. Two patients had DLTs at 1,250 mg*m(2)/7.5 mg, both a D15 dose omission due to grade-2 ALT increase. The RD was defined at 1,250 mg*m(2)/5.0 mg. Toxicity consisted mainly of mild-moderate fatigue, pruritus, erythema, and myalgia. No objective response was observed. No relevant pharmacokinetic interaction was detected.
CONCLUSION: Infra-optimal doses of elisidepsin and carboplatin and a lack of antitumor activity despite using active drug concentrations in combination with gemcitabine do not warrant further clinical development for these two combinations.
METHODS: Open-label, dose-escalating, two-arm, uncontrolled, phase I study. Patients received carboplatin on Day (D) 1, followed by elisidepsin on D1 and D8, every 3 weeks, or gemcitabine on D1 and D15, followed by elisidepsin on D1 and D15, every 4 weeks. A pharmacokinetic analysis was done from blood samples collected during the first treatment infusion.
RESULTS: Fifteen patients were treated with carboplatin/elisidepsin at doses from 4 AUC/1.0 mg flat dose (FD) to 5 AUC/2.5 mg FD. Two patients had dose-limiting toxicities (DLTs) at 5 AUC/2.0 mg, a dose delay >2 weeks due to grade-2 ALT increase and grade-3 thrombocytopenia, and a D8 infusion omission due to grade-3 ALT increase. The RD was established at 4 AUC/1.0 mg. Toxicity consisted mainly of mild-moderate anorexia, fatigue, and nausea. Twenty-two patients were treated with gemcitabine/elisidepsin at doses from 1,000 mg*m(2)/1.0 mg FD to 1,250 mg*m(2)/7.5 mg FD. Two patients had DLTs at 1,250 mg*m(2)/7.5 mg, both a D15 dose omission due to grade-2 ALT increase. The RD was defined at 1,250 mg*m(2)/5.0 mg. Toxicity consisted mainly of mild-moderate fatigue, pruritus, erythema, and myalgia. No objective response was observed. No relevant pharmacokinetic interaction was detected.
CONCLUSION: Infra-optimal doses of elisidepsin and carboplatin and a lack of antitumor activity despite using active drug concentrations in combination with gemcitabine do not warrant further clinical development for these two combinations.