Analysis of 21-hydroxy deflazacort in human plasma by UPLC-MS/MS: Application to a bioequivalence study in healthy volunteers

- Sensitive and rapid UPLC-MS/MS method for 21-hydroxy deflazacort in human plasma.
- The method employs only 100 μL plasma for efficient processing by SPE.
- First report on bioequivalence study in healthy Indian volunteers.
- Method reproducibility was ascertained by incurred sample reanalysis.