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Abuse Potential of Buprenorphine/Naloxone

National Institutes of Health (NIH) logo

National Institutes of Health (NIH)

Status and phase

Terminated
Phase 2

Conditions

Opioid-Related Disorders

Treatments

Drug: Buprenorphine/naloxone

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00149539
R01-08045-7
NIDA-08045-7
DPMC

Details and patient eligibility

About

Buprenorphine is a treatment for opioid dependence. Naloxone is given in addition to buprenorphine in order to limit the abuse potential that is commonly associated with buprenorphine. The purpose of this study is to determine the abuse potential of high doses of buprenorphine/naloxone in opioid dependent individuals.

Full description

Buprenorphine, a mixed agonist-antagonist opioid (or partial agonist), is a safe and effective treatment for opioid dependence. However, there is concern that buprenorphine may be abused due to its high abuse potential. A sublingual buprenorphine/naloxone combination tablet may reduce the risk of abuse associated with buprenorphine alone. The purpose of this study is to determine the abuse potential of acute doses of buprenorphine/naloxone in individuals who are maintained on different daily doses of sublingual buprenorphine/naloxone.

Participants will be maintained on both low and high doses of buprenorphine/naloxone. They will be challenged with low- and high-dose injected buprenorphine/naloxone, as well as active and placebo controls at each maintenance dose. During study visits, physiologic, subjective, and psychomotor responses to challenge sessions will be monitored and compared to known pharmacologic effects of opioid drugs.

Enrollment

12 patients

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Actively abusing illegal opioids
  • Qualifies for opioid substitution treatment (e.g., methadone or buprenorphine), but not in active treatment at the time of study entry
  • Meets DSM-IV criteria for opioid dependence

Exclusion criteria

  • Significant medical problems (e.g., insulin dependent diabetes mellitus)
  • Non-substance use psychiatric disorders (e.g., schizophrenia)
  • Seeking substance abuse treatment

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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