Related Experiment Video
Updated: Aug 6, 2025

Systemic and Local Drug Delivery for Treating Diseases of the Central Nervous System in Rodent Models
Published on: August 16, 2010
Experimental Medicine Approaches in Early-Phase CNS Drug Development
Brett A English1, Larry Ereshefsky2
1Clinical Sciences at CenExel, Brentwood, TN, USA.
Phase 1 clinical trials for central nervous system (CNS) drugs now include patients and biomarkers. This evolution aims to improve understanding of CNS-active compounds and enhance success in later trial phases.
Area of Science:
- Clinical Pharmacology
- Neuroscience Drug Development
- Biomarker Research
Background:
- Phase 1 trials traditionally focused on safety and pharmacokinetics in healthy volunteers.
- Central nervous system (CNS) drug development faces high failure rates in later phases.
- This necessitates an evolution in early-phase trial design.
Purpose of the Study:
- To discuss the evolving landscape of Phase 1 clinical trials in the CNS therapeutic area.
- To highlight novel methodologies and approaches being incorporated.
- To improve early pharmacologic understanding of CNS-active compounds.
Main Methods:
- Incorporation of novel study designs.
- Inclusion of pharmacodynamic biomarkers.
- Early inclusion of patients in Phase 1 trials.
- Application of experimental medicine approaches.
Main Results:
- The abstract does not contain results, it is a chapter discussing changes in trial design.
Conclusions:
- Phase 1 CNS trials are shifting towards earlier patient involvement and biomarker integration.
- These changes aim to enhance early decision-making and improve the success rate of CNS drug development.
- Novel trial designs and experimental medicine approaches are key to this evolution.
More Related Videos
09:44Chemogenetic Regulation in Reprogrammed Stem Cell-derived Precursor Cells in Treating Neurodegenerative Diseases
Published on: May 2, 2025
07:41Author Spotlight: Establishing Mixed Neuronal and Glial Cell Cultures from Embryonic Mouse Brains to Study Infection and Innate Immunity
Published on: June 30, 2023