Last reviewed 2026-04-23 · How we verify

High Bup Dose

High-dose buprenorphine is a partial mu-opioid receptor agonist that provides analgesia and opioid dependence treatment through sustained receptor occupancy.

High-dose buprenorphine is a partial mu-opioid receptor agonist that provides analgesia and opioid dependence treatment through sustained receptor occupancy. Used for Opioid use disorder, Chronic pain management.

At a glance

Mechanism of action

Buprenorphine binds with high affinity to mu-opioid receptors in the central nervous system, producing analgesia and reducing cravings in opioid use disorder. At higher doses, it achieves greater receptor saturation and clinical efficacy while maintaining a ceiling effect on respiratory depression compared to full mu-opioid agonists. This Phase 3 trial likely evaluates optimized dosing regimens for improved treatment outcomes.

Approved indications

• Opioid use disorder
• Chronic pain management

Common side effects

• Constipation
• Nausea
• Headache
• Dizziness
• Insomnia
• Sweating

Key clinical trials

• Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study
• Medication Treatment for Opioid Use Disorder in Expectant Mothers: Infant Neurodevelopmental Outcomes Sub-study
• Optimizing Retention, Duration and Discontinuation Strategies for Opioid Use Disorder Pharmacotherapy (RDD) (PHASE2)
• High Dose Buprenorphine (BUP) Induction in the Emergency Department (ED) (PHASE3)
• Medication Treatment for Opioid Use Disorder in Expectant Mothers (PHASE3)
• Standard Versus High Dose ED-Initiated Buprenorphine Induction (PHASE3)
• Efficacy of Computer Delivered Community Reinforcement Approach (CRA) (Bup II) (NA)
• Starting Treatment With Agonist Replacement Therapies (START) (PHASE4)

Primary sources

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