What You Will Learn
The rationale for selecting human plasma as a surrogate matrix for vitreous and aqueous humor
The protein precipitation and LC-MS/MS workflow used to extract ketorolac and its deuterated internal standard
Full ICH M10 validation results: selectivity, carryover, linearity (R² > 0.999), accuracy, precision, recovery, and dilution integrity
Stability data across freeze/thaw, bench-top, long-term (−80 °C), and autosampler conditions
How a validated surrogate matrix approach can de-risk method readiness ahead of an ocular clinical trial