An Open-Label Single-Dose And Randomized, Double-Blind, Placebo-Controlled Multiple-Dose Study To Evaluate The Efficacy, Safety, Tolerability, And Pharmacokinetics Of Oxymorphone Hydrochloride (HCl) For Acute Moderate To Severe Postoperative Pain In Pediatric Subjects

The purpose of the study is to evaluate the efficacy, tolerability, safety and
pharmacokinetics of Oxymorphone HCl as an analgesic for acute moderate to severe
post-operative pain in pediatric subjects.

本研究旨在评估盐酸羟吗啡酮（Oxymorphone HCl）作为镇痛药物，用于儿科受试者急性中重度术后疼痛时的疗效、耐受性、安全性及药代动力学。