therapeutic window assessment
An evaluation of the dose range where a targeted therapy provides benefit without unacceptable toxicity.
Full Definition
Therapeutic window assessment in precision oncology evaluates the relationship between drug exposure, target engagement, and clinical outcomes to identify optimal dosing strategies. This assessment considers tumor-specific factors such as target expression levels, pathway dependencies, and resistance mechanisms alongside patient factors like organ function and comedications. For molecularly targeted agents, the therapeutic window may be influenced by biomarker levels, requiring personalized dose optimization rather than fixed dosing approaches.
Usage
Usage note: Focus on precision dosing strategies informed by molecular characteristics rather than standard dose-finding approaches.
In Context
- "The therapeutic window assessment suggested higher doses were feasible in patients with elevated target expression." — Pharmacokinetic analysis report
- "Narrow therapeutic windows require careful biomarker-guided dose individualization." — Clinical pharmacology review