Randomized Controlled Trial of a Minimal Versus Extended Internet-based

Status Completed

Clinical Trial Summary

Alcohol is one of the leading contributors to premature mortality and disability. Most people with alcohol problems will never seek treatment. There is a need to develop alternate ways to help problem drinkers outside of formal treatment settings.

One promising strategy is Internet-based interventions for problem drinkers. The first randomized controlled trial found that the investigators could reduce alcohol consumption by about six drinks per week at a six-month follow-up using a minimal, personalized feedback Internet-based intervention. The investigators second randomized trial demonstrated that an extended Internet-based intervention that contained a range of cognitive-behavioural and relapse prevention tools could produce greater reductions in problem drinking compared to that provided by the same minimal intervention at a six-month follow-up. Building upon this research, the current project will assess whether this extended Internet-based intervention can have a sustained impact on problem drinking. Specifically, the major objective of this project is to conduct a randomized controlled trial comparing the impact of an extended Internet-based self-help intervention for problem drinkers to a minimal Internet-based intervention in the general population of problem drinkers over a two year period.

Problem drinking participants will be recruited through media advertisements across Canada and will be randomly assigned to the minimal or extended Internet-based interventions. Six-month, twelve-month and two-year drinking outcomes will be compared between experimental conditions. It is predicted that participants receiving the extended Internet intervention will display sustained improved drinking outcomes compared to participants in the minimal Internet intervention condition. This programmatic line of research will advance the science of Internet-mediated intervention.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01874509
Study type	Interventional
Source	Centre for Addiction and Mental Health
Contact
Status	Completed
Phase	N/A
Start date	June 2013
Completion date	February 2016

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Randomized Controlled Trial of a Minimal Versus Extended Internet-based Intervention for Problem Drinkers

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms