Mechanochemistry- Enabled Solid-State Stress Testing

As regulatory expectations for stability data increase, development teams are under pressure to understand degradation behavior earlier, faster, and with limited material. Conventional forced degradation often relies on solution‑based stress conditions that are time‑consuming and may fail to reflect real solid‑state behavior, particularly for formulated products. A mechanochemistry‑enabled approach offers a compelling alternative by applying controlled mechanical energy to simulate oxidative, acidic, basic, or neutral stress directly in the solid phase—without solvents. This enables rapid generation of relevant degradation products within minutes rather than weeks, using minimal material. The approach is well suited for both drug substances and finished dosage forms and integrates naturally with Quality by Design and experimental design strategies. Comparative studies show that solid‑state stress testing can reveal impurity pathways not detected by traditional methods, supporting more informed formulation decisions. By delivering faster, more representative degradation insight, this strategy helps teams de‑risk stability, guide excipient selection, and build a stronger foundation for downstream development.