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CompletedNCT02309021PHASTUpdated Dec 11, 2015

PHAST: Physical Activity in Substitution Therapy

An interventional study of Sport and Non-sport activities in Substance-related Disorders, sponsored by University Hospital, Basel, Switzerland. Completed at 1 site in Switzerland. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2015-12-11.

Sponsored by University Hospital, Basel, Switzerland · Not applicable, Interventional, and Prevention

Phase
Not applicable
Study type
Interventional
Enrollment
28
Allocation
Randomized
Ages
18 Years to 70 Years
Sex
All
01

Study summary

The aim is to examine the effect of exercise (EX) training on individuals currently receiving ST - either opiate replacement therapy (ORT) or heroin-assisted treatment (HAT) - for their opiate dependence. Main outcome variables will be: cardiovascular fitness; consumption of substances (e.g. "street heroin", cocaine, cannabis, alcohol, cigarettes) other than prescribed ST or other prescribed medications; substance craving; blood pressure; lung function; resting pulse; social interaction; self-control capacity; objective and subjective sleep; cortisol levels; quality adjusted life years (QALYs); depression; mood. Covariates are current substitution dose and psychiatric diagnoses.

Read the detailed description

The investigators aim is to carry out a randomized controlled trial comparing exercise training group and a control group of patients receiving substitution therapy (ST). The specific goals of the study are:

  1. To understand the exercise preferences, barriers to participation, motivation, experiences and attitudes regarding exercise training in patients under ST.
  2. To examine whether a 12-week exercise programme affects the mental health, subjective and objective sleep, quality of life, self-control capacity, substance craving, hair cortisol levels, secondary consumption, cardiovascular fitness, blood pressure, lung function, resting pulse, and social interaction in patients receiving ST.
  3. To compare the effects of the EX and control conditions on the above-mentioned outcome variables.
  4. To examine to what degree the covariates of heroin substitution dose and psychiatric comorbidities affect outcome variables.
  5. To explore to what extent objective variables (cardiovascular fitness, pulse, blood pressure, lung function, cortisol, objective sleep-EEG-parameters) and subjective-psychological dimensions (subjective sleep, social interaction, symptoms of depression and anxiety, self-control, substance craving) are interrelated.
02

Conditions studied

  • Substance-related Disorders

Keywords

  • craving
03

In context

Substance-Related Disorders

2,124 studies on the registry are indexed under Substance-Related Disorders; 393 are open to participants now.

This study's enrollment of 28 is below the median of 108 across 1,727 interventional studies indexed under Substance-Related Disorders.

Browse Substance-Related Disorders studies →

Lead sponsor

University Hospital, Basel, Switzerland is the lead sponsor of 968 studies on the registry; 191 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

Patient at the Ambulanter Dienst Sucht or Janus clinics in Basel Town (BS); currently under substitution therapy

Exclusion criteria

Exclusion Criteria:

Declared unfit to participate by clinic personnel due to physical disability or severe psychological disturbance or cognitive impairment

05

Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
28 participants (actual)

Study arms

  • Other
    Sport Group

    Participants randomised to the exercise condition will receive 12 weeks of physical exercise training. Once they have been assigned to this group, they will be informed about the training programme and its content. Training will be carried out in groups (two groups of ten or four groups of five, depending on scheduling, sport preferences, available materials) to ensure that individual attention can be paid to each participant.

    Other: Sport

  • Other
    Control Group

    The control group will not receive any exercise training. In order to control, as far as possible, for the potentially therapeutic effects of extra contact time with investigators, and the potentially motivational elements of participation in an intervention, the C group will have equal contact time with an investigator and participate in a leisure program without physical activity component. This time will be filled with group mealtimes, games, films, painting, handcrafts, stretching or relaxation exercises.

    Other: Non-sport activities

Interventions

  • OtherSport
  • OtherNon-sport activities
06

What researchers measure

Primary outcomes

  1. Craving measured by the Brief Substance Craving Scale (translated)

    Craving will be measured by the Brief Substance Craving Scale (translated)

    Time frame: 6 months

  2. Secondary substance consumption assessed using the Time Line Follow Back method

    This will be assessed using the Time Line Follow Back method

    Time frame: 6 months

Secondary outcomes

  1. Depression assessed using the Allgemeine Depressionskala ( Depression Scale)

    Depression will be assessed using the Allgemeine Depressionskala ( Depression Scale)

    Time frame: 6 months

  2. Self control measured using the Short Self Control Scale (translated)

    This will be measured using the Short Self Control Scale (translated)

    Time frame: 6 months

  3. Subjective sleep measured using the Insomnia Severity Index (translated)

    This will be measured using the Insomnia Severity Index (translated)

    Time frame: 6 months

  4. Physical activity level measured using the International Physical Activity Questionnaire

    This will be measured using the International Physical Activity Questionnaire

    Time frame: 6 months

  5. Perceived Stress measured using the Perceived Stress Scale (translated)

    Will be measured using the Perceived Stress Scale (translated)

    Time frame: 6 months

  6. Quality adjusted life years assessed using the Short Form (SF)36 questionnaire

    This will be assessed using the Short Form (SF)36 questionnaire

    Time frame: 6 months

  7. Blood pressure measured using a digital sphygmomanometer

    This will be measured using a digital sphygmomanometer

    Time frame: 6 months

  8. Lung function measured with a Spirobank Spirometer

    Lung function will be measured with a Spirobank Spirometer

    Time frame: 6 months

  9. Hand grip strength assessed using a Hydraulic Hand Dynamometer.

    This will be assessed using a Hydraulic Hand Dynamometer.

    Time frame: 6 months

07

Study locations

1 site
  • Department for Sport, Exercise and Health
    Basel, 4052, Switzerland
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 11, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02309021
Lead sponsor
University Hospital, Basel, Switzerland
Collaborators
Psychiatric Hospital of the University of Basel
Responsible party
Sponsor
First posted
Dec 5, 2014
Start date
Nov 2014
Primary completion
Nov 2015
Completion
Nov 2015
Last update
Dec 11, 2015

Study contacts

Flora Colledge, PhD
principal investigator · Department for Sport, Exercise and Health

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Dec 2015. You cannot join it, but the record below documents what was studied.

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