A dose-escalation study of bi-daily once weekly oral docetaxel either as ModraDoc001 or ModraDoc006 combined with ritonavir

Vincent A. de Weger, Frederik E. Stuurman, Jeroen J.M.A. Hendrikx, Johannes J. Moes, Emilia Sawicki, Alwin D.R. Huitema, Bastiaan Nuijen, Bas Thijssen, Hilde Rosing, Marianne Keessen, Marja Mergui-Roelvink, Jos H. Beijnen, Jan H.M. Schellens, Serena Marchetti

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22 Citaten (Scopus)

Samenvatting

Introduction Two solid dispersions of docetaxel (denoted ModraDoc001 capsule and ModraDoc006 tablet (both 10 mg)) were co-administered with 100 mg ritonavir (/r) and investigated in a bi-daily once weekly (BIDW) schedule. Safety, maximum tolerated dose (MTD), pharmacokinetics (PK) and preliminary activity were explored. Methods Adult patients with metastatic solid tumours were included in two dose-escalation arms. PK sampling was performed during the first week and the second or third week. Safety was evaluated using US National Cancer Institute's Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 3.0. Antitumour activity was assessed every 6 weeks according to Response Evaluation Criteria in Solid Tumours (RECIST) version 1.0. Results ModraDoc001 capsule/r and ModraDoc006 tablet/r were administered to 17 and 28 patients, respectively. The most common adverse events were nausea, vomiting, diarrhoea and fatigue, mostly of grade 1–2 severity. Grade 3/4 neutropenia/neutropenic fever was observed in 2 patients (4%). The MTD was determined as 20/20 mg ModraDoc001/r and 30/20 mg ModraDoc006/r (morning/afternoon dose) once weekly. The mean area under the plasma concentration–time curve (AUC0–48) ± standard deviation at the MTD for ModraDoc001/r and ModraDoc006/r were 686 ± 388 ng/ml*h and 1126 ± 382 ng/ml*h, respectively. Five partial responses were reported as best response to treatment. Conclusion Oral administration of BIDW ModraDoc001/r or ModraDoc006/r is feasible. The once weekly 30/20 mg ModraDoc006 tablet/r dose-level was selected for future clinical development. Antitumour activity is promising.

Originele taal-2Engels
Pagina's (van-tot)217-225
Aantal pagina's9
TijdschriftEuropean Journal of Cancer
Volume86
DOI's
StatusGepubliceerd - nov. 2017
Extern gepubliceerdJa

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