Oxymorphone subject has role opioid
Pharmacology
Pharmacodynamics
Oxymorphone elicits its effects by binding to and activating the μ-opioid receptor (MOR) and, to a much lesser extent, the δ-opioid receptor (DOR) and κ-opioid receptor (KOR). Its activity at the DOR may augment its action at the MOR. Oxymorphone is 10 times more potent than morphine. The calculation of relative potency indicated that 1 mg of oxymorphone hydrochloride equaled 9.85 mg of morphine sulfate, or 1.02 mg of oxymorphone hydrochloride was equivalent to 10 mg of morphine sulfate.
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