NCT02652585

Brief Summary

Using theTEMA (test system for development of medications for alcoholism) it can be shown, that naltrexone administration reduces the willingness to perform work for alcohol infusion in a laboratory experiment.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
46

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Feb 2016

Geographic Reach
1 country

1 active site

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

First Submitted

Initial submission to the registry

January 6, 2016

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 12, 2016

Completed
20 days until next milestone

Study Start

First participant enrolled

February 1, 2016

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 25, 2017

Completed
10 days until next milestone

Study Completion

Last participant's last visit for all outcomes

September 4, 2017

Completed
Last Updated

September 27, 2017

Status Verified

September 1, 2017

Enrollment Period

1.6 years

First QC Date

January 6, 2016

Last Update Submit

September 26, 2017

Conditions

Keywords

Alcoholismalcohol self-administration

Outcome Measures

Primary Outcomes (1)

  • Difference CAT Trials alcohol

    Difference of cumulative number of work sets for alcohol in the "constant attention task" between first measurement (without medication) and second measurement (with medication)

    one year

Secondary Outcomes (18)

  • Difference CAT Trials sodium chloride solution

    one year

  • break Point alcohol

    one year

  • max. BAC

    one year

  • Drinking habits

    one year

  • CDT - level

    one year

  • +13 more secondary outcomes

Study Arms (2)

Naltrexone

ACTIVE COMPARATOR

1 capsule naltrexone 25 mg per day, oral use, day 1 to day 3; 1 capsule naltrexone 50 mg per day, oral use, day 4 to day 28

Drug: Naltrexone

Placebo

PLACEBO COMPARATOR

1 capsule placebo, oral use, day 1 to day 28

Drug: Placebo

Interventions

Also known as: Adepend
Naltrexone

capsule filled with micro crystalline cellulose, manufactured to mimic naltrexone capsule

Placebo

Eligibility Criteria

Age25 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • male and female volunteers aged 25 to 55 years
  • at least weekly alcohol consumption at a medium risk level according to WHO in the Timeline Follow-back Interview over the last 45 day with an average amount of alcohol of 41 g/day (men) or 31 g/day (women)
  • at least 6 days with an alcohol consumption of \>100 g/day (men) or 75 g/day (women) and at least 4 non consecutive alcohol abstinent days in the last 45 days
  • at least 1 drinking day in each full week between screening and visit 1 and not more than 6 abstinent days in the week before visit 1
  • no demand of treatment of the risky alcohol consumption
  • written consent after Information

You may not qualify if:

  • a history of hypersensitivity against alcohol or one of the used medicinal products, of their ingredients or medicinal products with similar chemical structures
  • addiction or other disorders, which will not allow the subject to assess the character and importance or possible consequences of the clinical trial
  • pregnant or breastfeeding women
  • women capable of bearing children, except women who fulfil following criteria:- post-menopausal (12 months natural amenorrhoea or 6 month amenorrhoea and Serum FSH \>40 ml U/ml) - post operative (6 weeks after ovariectomy on both sides with or without hysterectomy) - regular and correct use of a contraceptive method with an error Quote of \< 1 % per year (for example implants, depot injections, oral contraceptive, IUP). It has to be recognized that a combined oral contraception - in contrast to pure progesterone compounds - have a failure rate of \< 1 %. Hormone IUDs with a Pearl Index of 1 % are safer than copper IUDs. - sexual abstinence - vasectomy of the Partner
  • evidence that the participant is not expected to comply with the protocol (for example lacking compliance)
  • current or previous alcohol or substance dependence according to DSM-IV (exception: tobacco dependence)
  • current or previous treatment because of alcohol, for example in an addiction advisory cen-tre, self-help group, detoxification treatment
  • current or previous diseases, where an alcohol infusion can cause a clinically relevant hazard (e. g. pancreatitis, liver cirrhosis)
  • current or planned intake of opiate analgesics
  • current psychiatric treatment or intake of psychiatric drug or suffering from of a psychiatric disease requiring treatment
  • a history of suicide attempt
  • CIWA-Score \>5 at Screening (alcohol withdrawal scale)
  • a history of symptoms of alcohol withdrawal, epileptic seizures or delirium
  • routine laboratory Parameters, indicating relevant liver-, pancreas- or kidney injury, an acute infection, anaemia or lack of vitamins (ASAT, ALAT \> twofold of the standard at screening, gamma-GT, lipase \>threefold of the standard, CRP \< 15 mg/l, creatin indicating a moderate renal insufficiency ( eGFR \<60 ml/min), leucocytes \> 12000/µl, haemoglobin \< 7,5 mmol/l (men) or 6,5 mmol/l (women), MCV \> 100 fl)
  • Body weight \> 130 kg
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Klinik und Poliklinik für Psychiatrie und Psychotherapie

Dresden, 01307, Germany

Location

MeSH Terms

Conditions

Alcoholism

Interventions

Naltrexone

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

Study Officials

  • Ulrich S Zimmermann, MD

    Klinik und Poliklinik für Psychiatrie und Psychotherapie Unversitätsklinikum Carl Gustav Carus Dresden

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 6, 2016

First Posted

January 12, 2016

Study Start

February 1, 2016

Primary Completion

August 25, 2017

Study Completion

September 4, 2017

Last Updated

September 27, 2017

Record last verified: 2017-09

Locations