Bioanalytical Laboratories: What to Do with Variable Internal Standard Response?
For all Sponsors submitting INDs, NDAs, ANDAs, BLAs, and supplements, and the bioanalytical laboratories analyzing and reporting the data to support these submissions, the FDA just issued its Guidance for Industry, “Evaluation of Internal Standard Responses During Chromatographic Bioanalysis: Questions and Answers.” The Q&A guidance contains five questions, along with the Agency’s current thinking on […]