Buprenorphine-Naloxone Treatment Regimen for Opioid Use Disorder
For patients with opioid use disorder, initiate buprenorphine-naloxone only when the patient is in active opioid withdrawal (COWS ≥8), starting with 4-8 mg sublingual based on withdrawal severity, titrating to a target maintenance dose of 16 mg daily, combined with counseling and psychosocial support. 1, 2
Pre-Induction Requirements
Confirm adequate time since last opioid use to avoid precipitated withdrawal: 1
- Short-acting opioids (heroin, morphine IR): >12 hours
- Extended-release formulations (OxyContin): >24 hours
- Methadone maintenance: >72 hours (consider continuing methadone instead due to severe precipitated withdrawal risk) 1
Critical warning: Buprenorphine's high binding affinity and partial agonist properties will induce severe withdrawal if administered before the patient is in active withdrawal. 1
Induction Protocol
Assess Withdrawal Severity Using COWS
Mild withdrawal (COWS <8): 1
- No buprenorphine indicated
- Re-assess patient and COWS in 1-2 hours
Moderate to severe withdrawal (COWS ≥8): 1
- Give buprenorphine-naloxone 4-8 mg sublingual based on severity
- Re-assess after 30-60 minutes
- Target total first-day dose of 16 mg for most patients 1
Maintenance Dosing
Standard maintenance regimen: 1, 2
- Target dose: 16 mg sublingual buprenorphine-naloxone daily
- Dose range: 4-24 mg buprenorphine (with 1-6 mg naloxone in 4:1 ratio) 3, 4, 5
- Administration: Once daily, or can be divided into twice-daily dosing with appropriate dose adjustment 1
- Alternative schedules: Less frequent dosing (e.g., thrice weekly) is possible using multiples of the daily dose to cover the increased interval 3, 4
Discharge Planning and Prescribing
For X-waivered providers (note: waiver requirements have evolved): 1
- Prescribe 16 mg sublingual buprenorphine-naloxone daily for 3-7 days, or until follow-up appointment
- Sample 3-day prescription: Buprenorphine/naloxone 8 mg/2 mg sublingual tablet or film, take 2 tablets/films once daily in AM, dispense #6, no refills
For non-waivered providers: 1
- Patients may return for up to 3 consecutive days for interim treatment
Comprehensive Treatment Requirements
Buprenorphine-naloxone must be part of a complete treatment plan including: 1, 2
- Counseling and psychosocial support
- Behavioral therapies
- Recovery-oriented activities
Essential preventative health measures: 1
- Overdose prevention education
- Take-home naloxone kit
- Hepatitis C and HIV screening
- Reproductive health counseling
Monitoring and Follow-Up
Initial phase (first month): 2
- Close monitoring (at least weekly visits)
- Assess compliance with dosing regimen
- Evaluate treatment effectiveness
- Monitor for illicit drug use (urine drug screening)
- Assess for medication toxicity and adverse effects
Stable phase: 2
- Once stable dosage achieved and no illicit drug use detected, less frequent visits appropriate
- Monthly visits reasonable for stable patients making progress
- Continue monitoring for: absence of toxicity, responsible medication handling, compliance with treatment plan, abstinence from illicit drugs
Special Populations
Severe hepatic impairment: 2
- Reduce starting dose and titration increments by half
- Monitor closely for signs of toxicity or overdose due to increased buprenorphine levels
Pregnancy: 1
- Considered a complicating factor requiring specialized management
Discontinuation
When discontinuing treatment: 2
- Taper gradually to reduce withdrawal symptoms
- Advise patients of relapse risk following discontinuation
- Decision should be part of comprehensive treatment plan
- Avoid abrupt cessation 1
Evidence Supporting Efficacy
Buprenorphine-naloxone demonstrates superior outcomes compared to: 1
- Clonidine or lofexidine (less severe withdrawal symptoms, fewer adverse effects, longer treatment retention)
- Similar effectiveness to tapered methadone for opioid withdrawal
- Referral-only or brief intervention approaches (better short-term improvement in treatment and illicit opioid use rates) 1
- Well tolerated with low rates of serious adverse events
- Combination with naloxone reduces (but does not eliminate) abuse potential when taken as prescribed sublingually 3, 4
- Naloxone component causes withdrawal if parenterally administered, deterring diversion 4, 5
Common Pitfalls to Avoid
Do not administer buprenorphine-naloxone to patients: 1
- Not yet in active opioid withdrawal
- Intoxicated with alcohol, benzodiazepines, or other sedatives
- Immediately post-naloxone reversal of overdose
- With serious acute medical illness (heart failure, liver failure, kidney failure, respiratory failure) without appropriate precautions
Special caution with methadone transition: Requires >72 hours since last methadone dose due to risk of severe and prolonged precipitated withdrawal. 1