NCT00156923

Brief Summary

This was a Phase 3, multi-center extension of Alkermes' Study ALK21-003EXT (NCT01218971) to further assess the long-term safety of repeat monthly doses of Medisorb® naltrexone (VIVITROL®).

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
108

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Oct 2003

Typical duration for phase_3

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2003

Completed
1.9 years until next milestone

First Submitted

Initial submission to the registry

September 7, 2005

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 12, 2005

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2007

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2007

Completed
3.9 years until next milestone

Results Posted

Study results publicly available

December 3, 2010

Completed
Last Updated

July 11, 2017

Status Verified

June 1, 2017

Enrollment Period

3.3 years

First QC Date

September 7, 2005

Results QC Date

October 8, 2010

Last Update Submit

June 8, 2017

Conditions

Keywords

Alcohol dependence

Outcome Measures

Primary Outcomes (1)

  • Number of Participants Reporting at Least 1 Treatment-emergent Adverse Event (TEAE)

    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 in this extension through the end of the follow-up period).

    Up to 3.5 years of monthly treatment

Study Arms (2)

Medisorb naltrexone 380 mg

EXPERIMENTAL
Drug: Medisorb naltrexone 380 mg

Medisorb naltrexone 190 mg

EXPERIMENTAL
Drug: Medisorb naltrexone 190 mg

Interventions

Administered via intramuscular (IM) injection once every 4 weeks for up to 3.5 years.

Also known as: VIVITROL® 380 mg, Naltrexone for extended-release injectable suspension
Medisorb naltrexone 380 mg

Administered via IM injection once every 4 weeks for up to 3.5 years.

Also known as: Naltrexone for extended-release injectable suspension
Medisorb naltrexone 190 mg

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Completed Study ALK21-003-EXT (NCT01218971), receiving all 13 injections
  • Willing and able to return for scheduled clinic visits and study assessments
  • Noncustodial, stable address and phone
  • Written, informed consent

You may not qualify if:

  • Pregnancy or lactation
  • Terminated early from study drug in Study ALK21-003-EXT (NCT01218971)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • O'Brien CP, Gastfriend DR, Forman RF, Schweizer E, Pettinati HM. Long-term opioid blockade and hedonic response: preliminary data from two open-label extension studies with extended-release naltrexone. Am J Addict. 2011 Mar-Apr;20(2):106-12. doi: 10.1111/j.1521-0391.2010.00107.x. Epub 2010 Dec 28.

Related Links

MeSH Terms

Conditions

Alcoholism

Interventions

vivitrolNaltrexone

Condition Hierarchy (Ancestors)

Alcohol-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

NaloxoneMorphinansOpiate AlkaloidsAlkaloidsHeterocyclic CompoundsHeterocyclic Compounds, Bridged-RingHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingPhenanthrenesPolycyclic Aromatic HydrocarbonsPolycyclic Compounds

Results Point of Contact

Title
Bernard L. Silverman / VP, Clinical Development
Organization
Alkermes, Inc.

Study Officials

  • Bernard L. Silverman, MD

    Alkermes, Inc.

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

September 7, 2005

First Posted

September 12, 2005

Study Start

October 1, 2003

Primary Completion

January 1, 2007

Study Completion

January 1, 2007

Last Updated

July 11, 2017

Results First Posted

December 3, 2010

Record last verified: 2017-06