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Phase 3 Completed N=34 Randomized Treatment

Extended-Release Naltrexone for Opioid Relapse Prevention Following Release From Jail

Opiate Dependence
Source: ClinicalTrials.gov NCT01180647 ↗
Enrolled (actual)
34
Serious AEs
0.0%
Results posted
Apr 2016
Primary outcomePrimary: Post-Release Opioid Relapse — 6; 15 participants
◆ Published Evidence
Highly cited
110citations · ~10 / year
Opioid treatment at release from jail using extended-release naltrexone: a pilot proof-of-concept randomized effectiveness trial.
Addiction (Abingdon, England) · 2015 · Open access · Likely link

Summary

This pilot study's primary aim is to compare rates of sustained opioid relapse, defined as self-reported opioid use >50% (>15 of 30) of days during the first 30 days following release from jail, among persons treated with XR-NTX pre-release vs. controls not receiving XR-NTX.

Linked Publications (2)

  • Opioid treatment at release from jail using extended-release naltrexone: a pilot proof-of-concept randomized effectiveness trial.
    Addiction (Abingdon, England) · 2015 · 110 citations · Open access · Likely link
  • Sustained-release naltrexone for opioid dependence.
    The Cochrane database of systematic reviews · 2025 · 5 citations · Open access · Likely link

Outcome Measures

OutcomeResultp-value
PRIMARY
Post-Release Opioid Relapse
6; 15
SECONDARY
Participation in Community Drug Treatment Post-release
19; 12
SECONDARY
Any Opioid Use Post-release
17; 82
SECONDARY
Injection Drug Use Post-release
25; 6
SECONDARY
Accidental Drug Overdose
0; 0
SECONDARY
Adverse Events and Serious Adverse Events
5; 1

Eligibility Criteria

Inclusion Criteria

  • Adults incarcerated in NYC jails with known release date
  • DSM-IV criteria for current opioid dependence
  • No current agonist (methadone, buprenorphine) treatment
  • Currently opioid free by history ('detoxed') and with a negative urine for all opioids
  • General good health as determined by complete medical interview and physical examination
  • Age 18-60 years.

Exclusion Criteria

  • History of liver failure, cirrhosis, or recent liver function test levels greater than three times normal
  • Pregnancy, lactation, or planning conception
  • Active medical illness that might make participation hazardous
  • Untreated psychiatric disorder
  • History of allergic reaction to naltrexone, PLG (polylactide co-glycolide), carboxymethylcellulose, or any other components of the diluent.
  • Current chronic pain condition treated with opioids.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01180647) and the linked publication. Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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