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Alcohol DependenceNCT04107051

Post-Marketing Surveillance Study of Nalmefene Hydrochloride Hydrate in Patients with Alcohol Dependence

An observational study of Alcohol Dependence, run by Otsuka Pharmaceutical Co., Ltd. at 1 site in Japan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to investigate the safety and the prognosis after achieving reduced alcohol intake in patients with alcohol dependence who received treatment for the reduction of alcohol intake in the routine clinical setting in Japan. Read more about this study

Who is it for?
Any age
Conditions the study is for
Alcohol Dependence
What is being tested?
Nalmefene Hydrochloride Hydrate
Type of treatment
Pill or oral medicine
How many people
533 participants
Where
1 siteJapan
Study dates
1 Oct 2019to 6 Feb 2024
Phase
Observational
Are there results?
None posted in the registry

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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Patients with alcohol dependence who are planned to be newly started on nalmefene hydrochloride hydrate for the treatment of reduction of alcohol consumption.

Who may be able to join

  • Clinical diagnosis of Alcohol Dependence
  • Must agree to follow-up during the first year of prescription and publication of survey results
  • Patients whose goal of treatment for Alcohol Dependence is to reduce alcohol consumption
  • Patients receiving psychosocial treatment aiming to promote treatment adherence and reduction of alcohol consumption
  • Patients who have chronic heavy drinking
  • Patients who have confirmed that they are willing to receive treatment to reduce their alcohol consumption

Who cannot join

  • Patients who has ever been treated with nalmefene hydrochloride hydrate
  • Patients who are contraindicated

Trial locations and contacts

1 site in 1 country.

Japan1 site
  • Otsuka Pharmaceutical Co., Ltd.

    Osaka

Other trials in Japan

About this study

Official title: Nalmefene Hydrochloride Hydrate Tablets 10mg Specified Drug-use Results Survey (the Safety and the Prognosis After Achieving Reduced Alcohol Intake)

The purpose of this study is to investigate the safety and the prognosis after achieving reduced alcohol intake in patients with alcohol dependence who received treatment for the reduction of alcohol intake in the routine clinical setting in Japan.

Being tested
Nalmefene Hydrochloride Hydrate
Medical subject headings
Alcoholism

What participants receive

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

  • Nalmefene Hydrochloride HydrateDrug

    Oral administration of nalmefene hydrochloride hydrate

What is being measured

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

  1. Alcohol Use Disorders Identification Test-Consumption(AUDIT-C)

    Measured: 1 year

Timeline

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

  1. First posted27 Sep 2019
  2. Study start1 Oct 2019
  3. Primary completion7 Feb 2023
  4. Study completion6 Feb 2024

Resources

More details

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

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
533 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04107051
Sponsor's protocol ID
339-101-00015
Status last verified
Feb 2025
First submitted
24 Sep 2019
Last updated
21 Mar 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Alcohol Dependence, run by Otsuka Pharmaceutical Co., Ltd. at 1 site in Japan.

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

Who may be eligible to take part?

The sponsor lists 6 inclusion and 2 exclusion criteria. 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: finished, as of the sponsor's last update on 21 Mar 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Japan. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Alcohol Use Disorders Identification Test-Consumption(AUDIT-C) (time frame: 1 year). 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 21 Mar 2025.

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