ALK21-006EXT: Long-term Safety of Medisorb® Naltrexone (VIVITROL®) in Alcohol- or Opioid-dependent Adults (Extension of Study ALK21-006 [NCT01218997])

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Alkermes

Status and phase

Terminated
Phase 3

Conditions

Alcoholism
Opiate Dependence

Treatments

Drug: Oral naltrexone to Medisorb naltrexone 380 mg
Drug: Medisorb naltrexone 380 mg

Study type

Interventional

Funder types

Industry

Identifiers

NCT00156936
ALK21-006EXT

Details and patient eligibility

About

This was a multicenter extension of Alkermes' Study ALK21-006 (NCT01218997) designed to assess the long-term safety of repeat monthly doses of naltrexone long-acting injection. All subjects received open-label Medisorb® naltrexone 380 mg (VIVITROL®). Planned treatment duration was up to 3 years. Alkermes terminated the study for business purposes in December 2006. The median duration of treatment among all subjects in this extension study was 43 weeks.

Full description

From the date of successful completion of Study ALK21-006 (base study [NCT01218997])), all subjects, including those who received oral naltrexone during the base study, were given the option to enroll in this extension study. Study investigators ensured that subjects were opioid-free and did not demonstrate evidence of withdrawal prior to administration of VIVITROL therapy. If the investigator suspected recent clinically significant opioid use, a naloxone challenge test was performed. The naloxone challenge was not performed in a subject presenting clinical signs or symptoms of opioid withdrawal or in a subject whose urine contained opioids.

Enrollment

108 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Primary Inclusion Criteria:

  • Adults with a diagnosis of alcohol and/or opioid dependence as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) who had satisfactorily completed Alkermes' Study ALK21-006 or other qualifying Medisorb naltrexone study
  • Willing and able to return for scheduled clinic visits and study assessments
  • Had a stable address
  • Agreed to use a contraception for the duration of the study and for 1 month following the last dose if of childbearing potential
  • Written informed consent

Primary Exclusion Criteria:

  • Pregnancy or lactation
  • Terminated early from study drug in a previous Medisorb naltrexone clinical trial
  • Any finding that, in the view of the investigator, would compromise the ability to fulfill the protocol visit schedule and/or visit requirements

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

108 participants in 2 patient groups

Medisorb naltrexone 380 mg (VIVITROL)
Experimental group
Treatment:
Drug: Medisorb naltrexone 380 mg
Oral naltrexone to Medisorb naltrexone 380 mg (VIVITROL)
Experimental group
Treatment:
Drug: Oral naltrexone to Medisorb naltrexone 380 mg

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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