Journal
CURRENT OPINION IN RHEUMATOLOGY
Volume 25, Issue 6, Pages 679-685Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.bor.0000434598.51526.0e
Keywords
biomarker-driven proof-of-concept studies; drug development; systemic sclerosis
Categories
Funding
- Actelion
- Pfizer
- Ergonex
- BMS
- Sanofi-Aventis
- United BioSource Corporation
- Roche/Genentech
- medac
- Biovitrium
- Boehringer Ingelheim
- Novartis
- 4D Science
- Active Biotec
- Bayer-Schering
- Sinoxa
- Serodapharm
- EpiPharm
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Purpose of reviewTo discuss the strategies for preclinical and early clinical characterization of targeted antifibrotic therapies in order to optimize the probability of positive results in later stage clinical trials.Recent findingsThere is a high unmet clinical need for effective antifibrotic therapies in systemic sclerosis (SSc), and in parallel a rapid development in the identification of potential molecular targets in preclinical research. Herein, we discuss the strategies for the improvement of preclinical and early clinical trials. These strategies include identification and characterization of molecular targets for therapy in vitro, selection of relevant parameters in translational animal models, confirmation of target activation in human SSc, analysis of successful target coverage after drug exposure in human SSc, and conduct of biomarker-driven proof-of-concept studies as a bridge between animal studies and Phase IIB/III studies with clinical endpoints.SummaryThese strategies could increase the possibility to develop successful drugs against the fibrotic manifestations of SSc.
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