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Review
. 2007 Jan;45(1):1-9.
doi: 10.5414/cpp45001.

Safety of Phase I Clinical Trials With Monoclonal Antibodies in Germany--the Regulatory Requirements Viewed in the Aftermath of the TGN1412 Disaster

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Review

Safety of Phase I Clinical Trials With Monoclonal Antibodies in Germany--the Regulatory Requirements Viewed in the Aftermath of the TGN1412 Disaster

B Liedert et al. Int J Clin Pharmacol Ther. .

Abstract

This review summarizes scientific, ethical and regulatory aspects of Phase I clinical trials with monoclonal antibodies. The current standard requirements for pre-clinical testing and for clinical study design are presented. The scientific considerations discussed herein are generally applicable, the view on legal requirements for clinical trials refer to the German jurisdiction only. The adverse effects associated with the TGN1412 Phase I trial indicate that the predictive value of pre-clinical animal models requires reevaluation and that, in certain cases, some issues of clinical trial protocols such as dose fixing may need refinement or redesign. Concrete safety measures, which have been proposed as a consequence of the TGN1412 event include introduction of criteria for high-risk antibodies, sequential inclusion of trial participants and implementation of pre-Phase I studies where dose calculation is based on the pre-clinical No Effect Level instead of the No Observed Adverse Effect Level. The recently established European clinical trials database (EUDRACT Database) is a further safety tool to expedite the sharing of relevant information between scientific authorities.

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