RecruitingPhase 1Drug trialSingle Dose Study, Pharmacokinetics of Oxycodone and PF614 Co-Administered With Nafamostat (PF614-MPAR-102)A single dose dose study to assess the pharmacokinetics (PK) of oxycodone, when PF614 is administered alone and with nafamostat as an immediate-release (IR) solution and/or extended-release(ER) capsule prototypes.