Comparison of Pharmacokinetic Profiles of Zolpidem Buffered Sublingual Tablet and Zolpidem Oral Immediate-Release Tablet: Results from a Single-Center, Single-Dose, Randomized, Open-Label Crossover Study in Healthy Adults

Systemic exposure of zolpidem was higher in females for both formulations. Plasma levels and AUC were higher, and clearance was lower, in females with both zolpidem formulations. The initial rate of absorption was faster, and initial systemic exposure was greater, with ZST compared with oral IR.