Summary
In oncology clinical research, the analysis and reporting of adverse events is of major interest. A consistent depiction of the safety profile of a new treatment is as crucial in establishing how to use it as its antitumor activity. The advent of new therapeutics has led to major changes in the management of patients and targeted therapies or immune checkpoint inhibitors are administered continuously for months or even years. However, the classical methods of adverse events analysis are no longer adequate to properly assess their safety profile. Indeed, the worst grade method and time-to-event analysis cannot capture the duration or the evolution of adverse events induced by extended treatment durations. Many authors have highlighted this issue and argue that the analysis of safety data from clinical trials should be modernized by considering the dimension of time and the recurrent nature of adverse events. This paper aims to illustrate the limitations of current methods and discusses the value of alternative approaches such as the prevalence function, Q-TWiST, the ToxT and the recurrent event approaches. The rationale and design of the MOTIVATE trial, which aims to model the evolution of toxicities over time using the prevalence function in patients treated by immunotherapy, is also presented (ClinicalTrials.gov Identifier: NCT03447483; Date of registration: 27 February 2018).
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References
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The authors wish to thank the Direction of Clinical Research and Innovation staff at the Institut Claudius Regaud, IUCT-O.
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The MOTIVATE trial (Scientific coordinator: T Filleron; ClinicalTrials.gov Identifier: NCT03447483) is conducted with the support of Bristol-Myers Squibb Foundation for Research in Immuno-Oncology.
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Bastien Cabarrou, Thomas Filleron, Carlos Gomez-Roca and Jean-Pierre Delord contributed to the conception and design. The first draft of the manuscript was written by Bastien Cabarrou and Thomas Filleron and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Bastien Cabarrou declares that he has no conflict of interest. Carlos Gomez-Roca declares Institutional Research Funding, Honoraria and Travel grant by BMS. Marie Viala declares that she has no conflict of interest. Audrey Rabeau declares that she has no conflict of interest. Rodolphe Paulon declares that he has no conflict of interest. Delphine Loirat declares Honoraria and Travel grant by BMS, MSD and Roche. Nadia Munsch declares that she has no conflict of interest. Jean-Pierre Delord declares Institutional Research Funding by Genentech, BMS and MSD Oncology and has a consulting or advisory role for Novartis, Roche/Genentech, BMS and MSD Oncology. Thomas Filleron declares that he has no conflict of interest.
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Cabarrou, B., Gomez-Roca, C., Viala, M. et al. Modernizing adverse events analysis in oncology clinical trials using alternative approaches: rationale and design of the MOTIVATE trial. Invest New Drugs 38, 1879–1887 (2020). https://doi.org/10.1007/s10637-020-00938-x
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DOI: https://doi.org/10.1007/s10637-020-00938-x