European journal of cancer (Oxford, England : 1990) · 2011
A phase I and pharmacokinetic study of plitidepsin in children with advanced solid tumours: an Innovative Therapies for Children with Cancer (ITCC) study.
Клиническое исследование I фазыСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Geoerger Birgit, Estlin Edward J, Aerts Isabelle, Kearns Pamela, Gibson Brenda, Corradini Nadège, Doz François, Lardelli Pilar, Miguel Bernardo De, Soto Arturo, Prados Raquel, Vassal Gilles
Аннотация
AIMS: To determine the maximum tolerated dose, the recommended dose (RD) for phase II studies, dose-limiting toxicities and pharmacokinetics (PK) for plitidepsin administered as a 3-h intravenous infusion every 2weeks (one cycle) to children with refractory or relapsed solid tumours.
METHODS: Consecutive cohorts of patients were treated according to a standard '3+3' design with escalating doses of plitidepsin at 4, 5 and 6mg/m(2). Additional 15 patients were recruited at the RD to further evaluate safety and pharmacokinetic associations with respect to age, dose level and toxicity.
RESULTS: Thirty-eight of 41 patients registered received plitidepsin. Dose-limiting toxicities during the first three treatment cycles related to myalgia, elevated creatine phosphokinase, transaminase increase and nausea/vomiting. The RD for plitidepsin is 5mg/m(2). PK analyses revealed high inter-patient variability in plasma, but a similar clearance of plitidepsin in children and adolescents. One partial response confirmed at 4weeks in a patient with neuroblastoma and one unconfirmed partial response in a pancreatoblastoma were observed; four other patients with neuroblastoma, medulloblastoma, glioblastoma and rhabdoid tumour had disease stabilisations lasting ⩾3months.
CONCLUSION: Plitidepsin administered to children as a 3-h infusion every 2weeks is received with manageable toxicity for children with cancer, and the RD is 5mg/m(2). Pharmacokinetic parameters in children and adolescents are comparable to adults. Future phase II studies of plitidepsin are warranted, and our results suggest that plitidepsin could be appropriately developed in combination with other antitumour where myelosuppression is dose-limiting.
METHODS: Consecutive cohorts of patients were treated according to a standard '3+3' design with escalating doses of plitidepsin at 4, 5 and 6mg/m(2). Additional 15 patients were recruited at the RD to further evaluate safety and pharmacokinetic associations with respect to age, dose level and toxicity.
RESULTS: Thirty-eight of 41 patients registered received plitidepsin. Dose-limiting toxicities during the first three treatment cycles related to myalgia, elevated creatine phosphokinase, transaminase increase and nausea/vomiting. The RD for plitidepsin is 5mg/m(2). PK analyses revealed high inter-patient variability in plasma, but a similar clearance of plitidepsin in children and adolescents. One partial response confirmed at 4weeks in a patient with neuroblastoma and one unconfirmed partial response in a pancreatoblastoma were observed; four other patients with neuroblastoma, medulloblastoma, glioblastoma and rhabdoid tumour had disease stabilisations lasting ⩾3months.
CONCLUSION: Plitidepsin administered to children as a 3-h infusion every 2weeks is received with manageable toxicity for children with cancer, and the RD is 5mg/m(2). Pharmacokinetic parameters in children and adolescents are comparable to adults. Future phase II studies of plitidepsin are warranted, and our results suggest that plitidepsin could be appropriately developed in combination with other antitumour where myelosuppression is dose-limiting.