Current medical research and opinion
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Clinical trial safety data following chronic administration of extended-release opioids within an older population is limited. Embeda * is an extended-release formulation of morphine sulfate surrounding sequestered naltrexone hydrochloride (MSN) and is designed to deter opioid misuse and abuse. The present analysis compared pooled safety outcomes among patients aged ≥65 years and those aged <65 years from three phase 2/3 studies (ranging from 2 weeks to 12 months) in patients treated with MSN. ⋯ Safety outcomes following daily administration of MSN (2 weeks-12 months) were similar between patients aged ≥65 years and <65 years. Key limitations include the variable study designs and length of treatment (2 weeks-12 months), small sample size, and the inclusion of only those patients who were otherwise in relatively good health with restrictions on concomitant medications.