Designs of drug-combination phase I trials in oncology: a systematic review of the literatureReportar como inadecuado




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* Corresponding author 1 CRC - Centre de Recherche des Cordeliers 2 IRIS-Servier - Institut de Recherches Internationales Servier 3 Cancer et génôme: Bioinformatique, biostatistiques et épidémiologie d-un système complexe 4 Département d-Oncologie Médicale

Abstract : Background Combining several anticancer agents can increase the overall antitumor action, but at the same time, it can also increase the overall observed toxicity. Adaptive dose-escalation designs for drug combinations have recently emerged as an attractive alternative to algorithm-based designs, and they seem more effective in combination recommendations. These methods are not used in practice currently. Our aim is to describe international scientific practices in the setting of phase I drug combinations in oncology.Material and methods A bibliometric study on phase I dose-finding combination trials was conducted using the Medline® PubMed database between 1 January, 2011, and 31 December 2013. Sorting by abstract, we selected all papers involving a minimum of two agents and then retained only those in which at least two agents were dose-escalated.Results Among the 847 references retrieved, 162 papers reported drug-combination phase I trials in which at least two agents were dose-escalated. In 88% of trials, a traditional or modified 3 + 3 dose-escalation design was used. All except one trial used a design developed for single-agent evaluation. Our study suggests that drug-combination phase I trials in oncology are very safe, as revealed by the calculated median dose-limiting toxicity rate of 6% at the recommended dose, which is far below the target rate in these trials 33%. We also examined requirements of phase I clinical trials in oncology with drug combinations and the potential advantages of novel approaches in early phases.Conclusion Efforts to promote novel and innovative approaches among statisticians and clinicians appear valuable. Adaptive designs have an important role to play in early phase development.

Keywords : drug combinations phase I trials dose-finding





Autor: Marie-Karelle Riviere - C. Le Tourneau - X. Paoletti - F. Dubois - Sarah Zohar -

Fuente: https://hal.archives-ouvertes.fr/



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