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AlcoholismPhase 3NCT00156936

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

A Phase 3 study testing Medisorb naltrexone 380 mg and Oral naltrexone to Medisorb naltrexone 380 mg in people with Alcoholism and Opiate Dependence, run by Alkermes, Inc..

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

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. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Alcoholism, Opiate Dependence
What is being tested?
Medisorb naltrexone 380 mg and Oral naltrexone to Medisorb naltrexone 380 mg
Could I receive a placebo?
No, everyone receives an active treatment
How many people
108 participants
Where
No sites listed yet
Study dates
Aug 2004to Jan 2007
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

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

About this study

Official title: An Open-Label, Multi-Center Study to Evaluate the Long-Term Safety of Medisorb® Naltrexone

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.

Read the detailed 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.

Being tested
Medisorb naltrexone 380 mg, Oral naltrexone to Medisorb naltrexone 380 mg
Medical subject headings
Alcoholism, Opioid-Related Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Medisorb naltrexone 380 mgDrug

    Also called VIVITROL 380 mg, Naltrexone for extended-release injectable suspension

    Administered via intramuscular (IM) injection once every 4 weeks. Subjects in this dosing group also received this treatment throughout the base study.

  • Oral naltrexone to Medisorb naltrexone 380 mgDrug

    Subjects in this dosing group received oral naltrexone 50 mg in the base study, but received only Medisorb naltrexone 380 mg in this extension study, administered via IM injection once every 4 weeks.

Study groups in NCT00156936
Study groupRoleWhat they receive
Medisorb naltrexone 380 mg (VIVITROL)ExperimentalNot described
Receives: Drug: Medisorb naltrexone 380 mg
Oral naltrexone to Medisorb naltrexone 380 mg (VIVITROL)ExperimentalNot described
Receives: Drug: Oral naltrexone to Medisorb naltrexone 380 mg

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Subjects Who Reported at Least 1 Treatment-emergent Adverse Event (TEAE) While on Study.

    A TEAE is any adverse event (AE), whether or not considered drug-related, that develops or worsens in severity after study drug administration begins (ie, from the first administration through the end of the follow-up period).

    Measured: Up to 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Sep 2005 (estimated)
  2. Study startAug 2004
  3. Primary completionJan 2007
  4. Study completionJan 2007

Why it stopped: Business decision

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
108 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00156936
Sponsor's protocol ID
ALK21-006EXT
Status last verified
Nov 2010
First submitted
7 Sep 2005
Last updated
17 Nov 2010
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Medisorb naltrexone 380 mg and Oral naltrexone to Medisorb naltrexone 380 mg in people with Alcoholism and Opiate Dependence, run by Alkermes, Inc..

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 17 Nov 2010. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 3 Nov 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Subjects Who Reported at Least 1 Treatment-emergent Adverse Event (TEAE) While on Study. (time frame: Up to 3 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Nov 2010.

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