A patient with opioid use disorder declines buprenorphine but agrees to extended-release naltrexone. Which prerequisite must be met before initiating XR-naltrexone?
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A
Complete 7–10 days of opioid abstinence to avoid precipitated withdrawal
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B
Obtain a liver biopsy to rule out hepatic fibrosis
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C
Taper methadone to zero before the induction visit
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D
Enroll in a residential program for a minimum of 30 days