Desvenlafaxine in Opioid-Dependent Patients

An Open-Label Pilot Study of Desvenlafaxine for Opioid-Dependent Patients With Comorbid Depression

Background: Although substitution therapy has been shown to be highly effective to retain opioid-dependent patients in treatment and reduce drug use, this population is afflicted by numerous conditions including depression. Unfortunately, studies published thus far have reported inconsistent or no difference in response between placebo therapy and antidepressants such as selective serotonin reuptake inhibitors. Objective: To assess the feasibility of Desvenlafaxine (DESV) administration among opioid-dependent subjects and explore its effect on depressive symptoms. Methods: Open-label pilot trial of 8 weeks of DESV 50-100 mg/day in 20 methadone-maintained individuals with comorbid depressive symptoms at the Centre hospitalier de l'Université de Montréal. Significance: This pilot study will lay down the foundation on which a larger multisite clinical trial could be conducted to examine DESV as new treatment for opioid-dependent population with comorbid depression.

Study Overview

Status

Completed

Intervention / Treatment

Detailed Description

To assess the feasibility, tolerability and acceptability of 8 weeks of Desvenlafaxine (DESV) administration among opioid-dependent subjects in a methadone-maintenance program, we will collect detailed information on compliance to DESV treatment, side effects, methadone plasma levels, methadone dose changes and QTc measures.

To explore the effects of DESV on depressive symptoms among opioid-dependent subjects on methadone-maintenance treatment. The severity and symptoms of depression will be evaluated by using the MADRS, the HRDS, and the CGI scale.

To explore the effects of DESV on substance use, anxiety, craving, quality of life and suicidal risk.

Study Type

Interventional

Enrollment (Actual)

18

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Quebec
      • Montréal, Quebec, Canada, H2X0A9
        • Centre de Recherche du Centre Hospitalier de l'Universite de Montreal

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • DSM-IV-TR criteria for opioid dependence;
  • Subject is on methadone treatment in the substitution program for at least 4 weeks;
  • Subject is aged between 18 and 65 years old;
  • subject meets the DSM-V TR criteria for major depressive episode, according to the study psychiatrist and confirmed by the Mini International Neuropsychiatric Interview (MINI);
  • Subject reports a score of 20 or higher on the MADRS;
  • Subject is eligible for and consents to the study;
  • subject is able to give valid, informed consent;
  • subject is able to speak and read French or English (grade-nine level of language required)

Exclusion Criteria:

  • Unstable medical illness, defined as any medical illness which has not been well-controlled with standard-of-care medications;
  • Severe psychiatric condition (e.g., current acute psychosis, past or current hypomania/mania) based on the MINI;
  • Pregnancy or breastfeeding;
  • Inability to use a medically acceptable form of contraception throughout the study duration. A medically acceptable form of contraception is either: (1) contraceptive pill or intrauterine device or depot hormonal preparation (ring, injection, implant); and/or (2) a barrier method of contraception such as diaphragm, sponge with spermicide or condom;
  • Subject currently takes another antidepressant;
  • Treatment with Desvenlafaxine at any time in the past;
  • Known hypersensitivity to venlafaxine;
  • Subject is undergoing psychotherapies for current depression (support therapy or counseling are allowed);
  • Subject failed to respond to two or more Health-Canada-approved antidepressants during current episode;
  • Unstable Axis-II personality disorder or other Axis-II disorder which has been the primary focus of treatment in the past 3 months, as ascertained by a study psychiatrists;
  • Medical diagnosis of kidney and/or liver failure

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Desvenlafaxine
  • Open-label pilot study
  • Desvenlafaxine will be administered during 56 consecutive days
  • Desvenlafaxine will be administered in the morning at a 50 mg dose during weeks 1 and 2, and at 50-100 mg doses (based on the study psychiatrist's judgment) during the 6 following weeks.
All subjects will receive 50 mg of the medication during week 1 and 2, then 50-100 mg (based on the psychiatrist judgment) for the following 6 weeks. Subjects who experience significant adverse reactions with the 100mg dose during weeks 2 to 4 could return to the lower dose of 50 mg if judged clinically appropriate by the study psychiatrist.
Other Names:
  • PRISTIQ

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Tolerability: Systematic Assessment for Treatment Emergent Events (SAFTEE)
Time Frame: 8 weeks
Safety and adverse effects with the Systematic Assessment for Treatment Emergent Events (SAFTEE)
8 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
effect of Desvenlafaxine on depressive symptoms
Time Frame: 8 weeks
Responders will be determined by a 50% reduction in (Hamilton Depression Rating Scale) HAM-D scores, and remitters will be determined based on scores of ≤7.
8 weeks
effect of Desvenlafaxine on depressive symptoms
Time Frame: 8 weeks
Responders will be determined by a 50% reduction in the Montgomery-Asberg Depression Scale (MADRS) scores, and remitters will be determined based on scores of 10.
8 weeks
Response to treatment
Time Frame: 8 weeks
A favorable response will be defined as a score of 1 or 2 (very much or much improved) on the Clinical Global Impression CGI-I subscale
8 weeks
Feasibility: Proportion of persons screened who are eligible and enrolled
Time Frame: Baseline
Proportion of persons screened who are eligible and enrolled
Baseline
Treatment adherence
Time Frame: 8 weeks
Compliance will be evaluated at each in-person follow-up visit. Treatment adherence will be calculated as the total number of tablets dispensed minus the number returned, divided by the total number of tablets dispensed
8 weeks
Effect of Desvenlafaxine administration on QT/QTc interval prolongation
Time Frame: 4 weeks
It will be assessed by electrocardiograms (upper limit for safety should be 500ms).
4 weeks
Feasibility: Proportion of scheduled study visits completed and biological samples collected
Time Frame: 8 weeks
Proportion of scheduled study visits completed and biological samples collected
8 weeks
Potential for drug interactions between methadone and antidepressants - Effect of Desvenlafaxine on methadone serum level (pharmacokinetic variability)
Time Frame: 4 weeks
Change from baseline in methadone serum level. We will assessed the methadone serum level at baseline and after a month of treatment.
4 weeks
Methadone dose adjustments
Time Frame: 2 - 4 weeks
Change from baseline in methadone dose. Each dose adjustment occurring during the trial will be noted at each follow-up visit
2 - 4 weeks

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Substance use
Time Frame: 8 weeks
number of days of substance use as assessed with The Time Line Follow-Back (TFLB), urine-drug testing and alcohol-breathalyzer testing.
8 weeks
Effect of Desvenlafaxine on anxiety
Time Frame: 8 weeks
Change from Baseline in anxiety and mood. It will be assessed with the Hamilton Anxiety Rating Scale (HAM-A)
8 weeks
Effect of Desvenlafaxine on blood pressure and heart rate
Time Frame: 8 weeks
Change from Baseline in Systolic Blood Pressure and heart rate
8 weeks
Effect of Desvenlafaxine on opioid craving
Time Frame: 8 weeks
Assessed with the abbreviated Heroin Craving Questionnaire (HCQ) - Change from Baseline in Craving.
8 weeks
Effect of Desvenlafaxine on quality of life
Time Frame: 8 weeks
Change from baseline in Quality of life. It will be assessed with the World Health Organization Quality of Life questionnaire (WHOQOL-BREF)
8 weeks
Effect of Desvenlafaxine on disability
Time Frame: 8 weeks
Change from baseline in disability. It will be assessed with the Sheehan Disability Scale (SDS)
8 weeks
Effect of Desvenlafaxine on suicidal behaviour
Time Frame: 8 weeks
Change from Baseline in suicidal behaviour. It will be assessed with the Columbia-Suicide Severity Rating Scale (CSSRS)
8 weeks
Effect of Desvenlafaxine on testosterone level
Time Frame: 4 weeks
Change from Baseline in testosterone.
4 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Principal Investigator: Didier Jutras-Aswad, M.D., M.Sc., Centre hospitalier de l'Université de Montréal (CHUM)
  • Study Chair: Suzanne Brissette, M.D., M.Sc., Centre hospitalier de l'Université de Montréal (CHUM)
  • Study Chair: Julie Bruneau, M.D., M.Sc., Centre hospitalier de l'Université de Montréal (CHUM)
  • Study Chair: Paul Lespérance, M.D., M.Sc., Centre hospitalier de l'Université de Montréal (CHUM)
  • Study Chair: Clairélaine Ouellet-Plamondon, M.D., Centre hospitalier de l'Université de Montréal (CHUM)

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

July 1, 2014

Primary Completion (Actual)

January 1, 2017

Study Completion (Actual)

January 1, 2017

Study Registration Dates

First Submitted

July 22, 2014

First Submitted That Met QC Criteria

July 23, 2014

First Posted (Estimate)

July 25, 2014

Study Record Updates

Last Update Posted (Actual)

October 23, 2020

Last Update Submitted That Met QC Criteria

October 21, 2020

Last Verified

August 1, 2017

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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