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Phase 1 N=45 Randomized Double-blind Other

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

Healthy

Enrolled (actual)
45
Serious AEs
0.0%
Results posted
Jul 2017
Primary outcome: Primary: Drug Liking: Peak Effect (Emax) — 50.9; 60.5; 51.3; 92.8 mm — p=0.0001

Study Design & Population

Study type
Interventional
Phase
Phase 1
Interventions
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 (Drug)
Age
Adult · 18+ yrs
Sex
All
Sponsor
Pfizer
Primary completion
Jul 2013

Outcome Measures

OutcomeResultp-value
PRIMARY
Drug Liking: Peak Effect (Emax)
50.9; 60.5; 51.3; 92.8 0.0001 sig
PRIMARY
Drug Liking: Area Under Effect Curve (AUE) From 0-2 Hour
98.518; 105.286; 100.241; 159.580 0.2176
PRIMARY
High: Peak Effect (Emax)
2.2; 26.6; 6.0; 85.8 <0.0001 sig
PRIMARY
High: Area Under Effect Curve (AUE) From 0-2 Hour
0.871; 27.750; 4.768; 135.670 0.0015 sig
SECONDARY
Take Drug Again: Peak Effect (Emax)
48.0; 58.3; 46.6; 87.8
SECONDARY
Take Drug Again: Mean Effect (Emean)
44.71; 52.16; 43.95; 85.34
SECONDARY
Take Drug Again Effect at Hours 12 and 24
43.4; 51.5; 43.2; 87.4; 46.1; 52.8
SECONDARY
Overall Drug Liking: Peak Effect (Emax)
50.5; 59.9; 51.5; 85.1
SECONDARY
Overall Drug Liking: Mean Effect (Emean)
50.32; 56.77; 49.16; 81.25
SECONDARY
Overall Drug Liking Effect at Hours 12 and 24
50.3; 56.0; 50.5; 81.8; 50.4; 57.6
SECONDARY
Any Drug Effects: Peak Effect (Emax)
0.6; 35.5; 6.2; 88.6
SECONDARY
Any Drug Effects: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.295; 18.647; 1.692; 69.692; 0.429; 38.290
SECONDARY
Any Drug Effects: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.517; 0.250; 0.267
SECONDARY
Good Drug Effects: Peak Effect (Emax)
4.3; 25.6; 8.4; 87.9
SECONDARY
Good Drug Effects: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.804; 14.263; 2.393; 69.464; 0.902; 26.603
SECONDARY
Good Drug Effects: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.275; 0.250; 0.400
SECONDARY
Bad Drug Effects: Peak Effect (Emax)
1.4; 13.0; 5.6; 18.5
SECONDARY
Bad Drug Effects: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.045; 3.911; 0.246; 4.080; 0.116; 6.920
SECONDARY
Bad Drug Effects: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.267; 0.250; 0.642
SECONDARY
Feel Sick: Peak Effect (Emax)
2.1; 8.7; 3.9; 4.6
SECONDARY
Feel Sick: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.036; 1.549; 0.232; 0.442; 0.545; 3.424
SECONDARY
Feel Sick: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.267; 0.250; 0.267
SECONDARY
Nausea: Peak Effect (Emax)
1.9; 9.3; 5.3; 12.3
SECONDARY
Nausea: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.036; 2.455; 0.290; 2.339; 0.473; 5.179
SECONDARY
Nausea: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.267; 0.250; 0.267
SECONDARY
Sleepy: Peak Effect (Emax)
7.6; 35.0; 11.1; 62.9
SECONDARY
Sleepy: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.813; 8.848; 2.920; 20.464; 2.580; 34.571
SECONDARY
Sleepy: Time to Maximum (Peak) Effect (TEmax)
0.267; 1.517; 0.267; 2.517
SECONDARY
Dizzy: Peak Effect (Emax)
4.4; 7.4; 4.1; 23.5
SECONDARY
Dizzy: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
0.036; 1.161; 0.795; 9.192; 0.482; 5.134
SECONDARY
Dizzy: Time to Maximum (Peak) Effect (TEmax)
0.267; 0.267; 0.250; 0.267
SECONDARY
Percentage of Dose (Drug Powder) Insufflated
100.00; 99.85; 100.00; 99.37
SECONDARY
Pupillometry: Peak Effect (Emax)
-0.9; -1.7; -0.7; -2.9
SECONDARY
Pupillometry: Area Under Effect Curve (AUE) From 0-1 Hour, 0-2 Hour, 0-8 Hour and 0-24 Hour
5.333; 4.746; 5.132; 3.229; 10.538; 9.114
SECONDARY
Pupillometry: Time to Maximum (Peak) Effect (TEmax)
3.017; 3.017; 2.025; 0.800

Summary

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.

Eligibility Criteria

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.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01775189). 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.

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