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Letter to the Editor of the British Journal of Clinical Pharmacology Re: van Iersel et al. (2026)—Why do healthy volunteers participate in clinical trials? doi: https://doi.org/10.1002/bcp.70499

K. Shakeri-Nejad, M. Hinder

British Journal of Clinical Pharmacology, 2026

Abstract

Van Iersel et al 1 are to be commended for their important contribution towards a deeper understanding of the motivations and needs of healthy volunteers participating in early-phase (phase I) clinical trials. Their findings demonstrate that participation is driven by a combination of altruistic, practical and social factors, rather than financial compensation alone, while also highlighting healthy volunteers as an underutilized stakeholder group in early clinical development. Building on these insights and informed by our experience in implementing a large and diverse early-phase and clinical pharmacology portfolio at Novartis, we would like to encourage further expansion of this research in several areas:

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