• Adv. Drug Deliv. Rev. · Jun 2011

    Review

    Comparative requirements for exploratory clinical trials -- eIND, eCTA and microdosing.

    • Patrick Y Muller.
    • Novartis Institutes for BioMedical Research, Cambridge, MA 02139, USA. patrick.mueller@novartis.com
    • Adv. Drug Deliv. Rev. 2011 Jun 19; 63 (7): 511-7.

    AbstractExploratory clinical trials provide a strategy for rapid human entry of investigational drugs. Such clinical studies are typically conducted during early clinical development in phase I as first-in-human studies, have no therapeutic intent, are not intended to examine clinical tolerability and involve a small number of human subjects at limited dose/exposure. Early decision data derived from such clinical studies may include PK, PD and/or biomarker-based translational medicine endpoints as well as PK/PD modeling approaches. This review critically discusses the various exploratory clinical trial strategies, their advantages and disadvantages as well as the regulatory safety requirements. In this respect, strategies for exploratory Investigational New Drugs (eIND), exploratory Clinical Trial Applications (eCTA) and microdosing are highlighted and compared in view of the new ICH M3(R2) guideline including options for biotechnology-derived pharmaceuticals such as monoclonal antibodies.Copyright © 2010 Elsevier B.V. All rights reserved.

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