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How clinical trials of myasthenia gravis can inform pre-clinical drug development
Anna Rostedt Punga1, Henry J Kaminski2, David P Richman3
1Institute of Neuroscience, Department of Clinical Neurophysiology, Uppsala University, Uppsala, Sweden.
Abstract:
Pre-clinical evaluations often provide the rationale for therapeutic assessments in humans; however, in many diseases an agent found successful in animal models does not show efficacy in human subjects. Our contention is that the approach of rigorous, clinical trials can be used to inform how preclinical assessments should be performed. Clinical trials in humans are carefully designed investigations executed with consideration of critical methodological issues, such as pre-specified entrance criteria and validated, outcome measures coupled with power analysis to identify sample size. Blinding of evaluators of subjective measures and randomization of subjects are also critical aspects of trial performance. Investigative agents are also tested in subjects with active disease, rather than prior to disease induction as in some pre-clinical assessments. Application of standard procedures, including uniform reporting standards, would likely assist in reproducibility of pre-clinical experiments. Adapting methods of clinical trial performance will likely improve the success rate of therapeutics to ultimately achieve human use.
Insights
Rigorous clinical trial methods can improve preclinical research. Applying these standards enhances therapeutic development and success in human subjects.
Area of Science:
- Translational medicine
- Drug development
- Biomedical research
Background:
- Pre-clinical evaluations in animal models frequently fail to predict therapeutic efficacy in human subjects.
- A significant gap exists between promising preclinical findings and successful human clinical outcomes.
- Current preclinical assessment strategies may not adequately reflect human disease conditions.
Purpose of the Study:
- To propose the adaptation of rigorous clinical trial methodologies to enhance the design and execution of preclinical assessments.
- To improve the translatability of preclinical findings to human therapeutic applications.
- To increase the success rate of novel therapeutics in clinical development.
Main Methods:
- Advocating for the incorporation of clinical trial design principles into preclinical studies.
- Emphasizing pre-specified entry criteria, validated outcome measures, and power analyses for sample size determination.
- Promoting randomization, blinding of outcome assessors, and testing in models of active disease.
Main Results:
- Clinical trial methodologies, when applied to preclinical research, can enhance rigor and relevance.
- Standardized procedures and uniform reporting standards are crucial for improving reproducibility.
- Adapting clinical trial best practices offers a pathway to more predictive preclinical models.
Conclusions:
- Implementing clinical trial standards in preclinical research can bridge the translational gap.
- Improved preclinical study designs will lead to more successful therapeutic agents for human use.
- This approach promises to increase the efficiency and success rate of drug development pipelines.
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