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A Study to Characterize the Abuse Liability of ALO-02 in Healthy, Non-Dependent, Recreational Opioid Users When ALO-02 Capsules Are Crushed and Snorted

CompletedPhase 1NCT01775189
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

Brief summary (from the registry)

The main purpose of this study is to determine if oxycodone and naltrexone combination capsules (ALO-02) have the potential to be abused when they are crushed and snorted.

Study details

Official title
A Randomized, Double-blind, Placebo Controlled, Single-dose, 4-way Crossover Study To Determine The Relative Abuse Potential Of Alo-02 (Oxycodone Hydrochloride And Naltrexone Hydrochloride Extended Release Capsules) Compared To Oxycodone Immediate Release, And Placebo When Administered Intranasally To Non-dependent, Recreational Opioid Users.
Conditions
Interventions
  • Drug: ALO-02 weight-matched placebo
  • Drug: crushed ALO-02 30 mg/3.6 mg
  • Drug: oxycodone weight-matched placebo
  • Drug: crushed oxycodone IR 30 mg
Sponsor
Pfizer
Collaborators
Syneos Health
Start date
2013-02
Primary completion
2013-07
Sex
All
Age range
from 18 Years to 55 Years
Healthy volunteers
true
Results posted
Yes, on ClinicalTrials.gov
Countries
Canada
Total sites listed
1

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * Healthy subjects * Non-dependent, recreational opioid users. (Must use opioid for non-therapeutic purposes on at least 10 occassions within the last year and at least once in the 8 weeks before Visit 1 (Screening Visit). * Must have experience with intranasal opioid administration (snorted opioid drugs on at least 3 occassions within the last year before Visit 1 (Screening Visit). Exclusion Criteria: * Diagnosis of substance and/or alcohol dependence * Subject has participated in, is currently participating in, or seeking treatment for substance and/or alcohol related disorder.

Canadian sites (1)

FacilityCityProvince
INC Research Toronto Inc.TorontoOntario

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT01775189