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Development of alternative methods
1Center for Alternatives to Animal Testing, Johns Hopkins School of Public Health, Baltimore, Maryland 21202-6709, USA.
The Journal of Toxicological Sciences
|September 1, 1995
Summary
This presentation discusses developing mechanistically based tests in toxicology for safety evaluation. It also presents a validation approach for incorporating in vitro methods into risk assessment processes.
Area of Science:
- Toxicology and safety evaluation
- In vitro testing methodologies
- Risk assessment frameworks
Background:
- Current toxicology testing relies on established methods.
- There is a need for mechanistically based tests.
- In vitro approaches require robust validation for regulatory acceptance.
Purpose of the Study:
- To identify key issues in developing mechanistically based toxicology tests.
- To present a practical approach for validating new testing methodologies.
- To discuss the integration of in vitro methods into safety evaluation and risk assessment.
Main Methods:
- Exploration of specific issues in test development.
- Presentation of a validation strategy based on fundamental principles.
- Discussion of practical considerations for methodology acceptance.
Main Results:
- Identified critical areas for mechanistically based test development.
- Outlined a structured approach to validation.
- Highlighted the importance of validation within the broader context of safety assessment.
Conclusions:
- Mechanistically based tests are crucial for advancing toxicology.
- A principled validation approach is essential for adopting new methods.
- Successful integration of in vitro methods requires addressing validation and broader implementation challenges.