- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05688410
Enhancing Exercise and Psychotherapy to Treat Pain and Addiction in Adults With an Opioid Use Disorder (EXPO; R33 Phase) (EXPO-R33)
March 20, 2026 updated by: Nora Nock, Case Western Reserve University
Enhancing Exercise and Psychotherapy to Treat Pain and Addiction in Adults With an Opioid Use Disorder (EXPO): A Randomized Trial (R33 Phase)
This work will involve conducting a randomized trial that will evaluate preliminary efficacy of "assisted" rate cycling, voluntary rate cycling and psychotherapy for pain individually and in combination as adjunctive treatments on cravings (primary outcome) in adults with an opioid use disorder.
The investigators will also evaluate the effects of "assisted" rate cycling, voluntary rate cycling and I-STOP on secondary outcomes including depression, anxiety and sleep.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
198
Phase
- Not Applicable
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
-
-
Colorado
-
Denver, Colorado, United States, 80217
- University of Colorado at Denver
-
-
Ohio
-
Cleveland, Ohio, United States, 44106
- Case Western Reserve University
-
-
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
Description
Inclusion Criteria:
- 18 to 65 years old
- Must be enrolled in a residential/inpatient drug treatment program at a collaborating drug treatment center
- Must be diagnosed with an Opioid Use Disorder (OUD; ICD-10 F11.20) or a Poly-substance Drug Use that includes an opioid component (ICD-10,F19.xx)
- Must have self-reported pain or a pain condition describing a non-cancer related chronic pain disorder
- Must be approved to exercise in the study by the drug treatment center (Medical Director, physician or other relevant clinical staff or primary care physician (PCP))
Exclusion Criteria:
- Any substantive contraindications to exercise
- Psychiatrically unstable
- Pregnant women
- Non-English speaking adults
- Adults unable to provide informed written consent
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: Randomized
- Interventional Model: Factorial Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: Assisted Exercise and I-STOP
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted" exercise bike).
Participants who are randomized to receive I-STOP will receive the "Self-regulation Treatment for Opioid addiction and Pain" (STOP) program modified for inpatients/residential drug treatment (I-STOP).
|
Participants who are randomized to exercise will be perform exercise on stationary bikes.
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted (exercise) bike").
Participants who are randomized to receive I-STOP will receive the "Self-regulation Treatment for Opioid addiction and Pain" (STOP) program modified for inpatients/residential drug treatment (I-STOP).
I-STOP uses empirically validated pain psychotherapy approaches targeted to patients with an OUD using psycho-physiological self-regulation components and biofeedback with "Bio-dots".
|
|
Experimental: Voluntary Exercise and I-STOP
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants who are randomized to receive I-STOP will receive the "Self-regulation Treatment for Opioid addiction and Pain" (STOP) program modified for inpatients/residential drug treatment (I-STOP).
|
Participants who are randomized to exercise will be perform exercise on stationary bikes.
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted (exercise) bike").
Participants who are randomized to receive I-STOP will receive the "Self-regulation Treatment for Opioid addiction and Pain" (STOP) program modified for inpatients/residential drug treatment (I-STOP).
I-STOP uses empirically validated pain psychotherapy approaches targeted to patients with an OUD using psycho-physiological self-regulation components and biofeedback with "Bio-dots".
|
|
Experimental: Assisted Exercise and No I-STOP
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted" exercise bike).
Participants randomized to "No I-STOP" will not receive the psychotherapy for pain and addiction but will receive their standard behavioral treatment as usual (TAU).
|
Participants who are randomized to exercise will be perform exercise on stationary bikes.
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted (exercise) bike").
|
|
Experimental: Voluntary Exercise and No I-STOP
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants randomized to "No I-STOP" will not receive the psychotherapy for pain and addiction but will receive their standard behavioral treatment as usual (TAU).
|
Participants who are randomized to exercise will be perform exercise on stationary bikes.
Participants randomized to "Voluntary Exercise" will exercise on a standard stationary bike where they will pedal at their voluntary rates.
Participants randomized to "Assisted Exercise" will exercise on a special bike that assists them to pedal faster than they do voluntarily on their own ("assisted (exercise) bike").
|
|
Experimental: No Exercise and I-STOP
Participants randomized to receive "No Exercise" will not receive structured "assisted" or voluntary rate cycling exercise.
Participants randomized to "No I-STOP" will not receive the psychotherapy for pain and addiction but will receive their standard behavioral treatment as usual (TAU).
|
Participants who are randomized to receive I-STOP will receive the "Self-regulation Treatment for Opioid addiction and Pain" (STOP) program modified for inpatients/residential drug treatment (I-STOP).
I-STOP uses empirically validated pain psychotherapy approaches targeted to patients with an OUD using psycho-physiological self-regulation components and biofeedback with "Bio-dots".
|
|
No Intervention: No Exercise and No I-STOP
Participants randomized to receive "No Exercise" will not receive structured "assisted" or voluntary rate cycling exercise.
Participants randomized to "No I-STOP" will not receive the psychotherapy for pain and addiction but will receive their standard behavioral treatment as usual (TAU).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Drug cravings
Time Frame: Change from baseline to intervention program completion, an average of 8 weeks
|
Change in drug cravings: self-report, visual analog scale (VAS), higher scores indicate higher levels of cravings;
|
Change from baseline to intervention program completion, an average of 8 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Depression
Time Frame: Change from baseline to intervention program completion, an average of 8 weeks
|
Change in depression: self-report, standardized questionnaire (Depression sub-scale in Hospital Anxiety and Depression Scale, HADS); Total Score range: 0-21; higher scores indicate higher levels of depression
|
Change from baseline to intervention program completion, an average of 8 weeks
|
|
Anxiety
Time Frame: Change from baseline to intervention program completion, an average of 8 weeks
|
Change in anxiety: self-report, standardized questionnaire (Depression sub-scale in Hospital Anxiety and Depression Scale, HADS); Total Score range: 0-21; Higher scores indicate higher levels of anxiety
|
Change from baseline to intervention program completion, an average of 8 weeks
|
|
Sleep
Time Frame: Change from baseline to intervention program completion, an average of 8 weeks
|
Change in sleep: self-report, standardized questionnaire (Pittsburgh Sleep Quality Index, PSQI); Total Score range: 0-21; Higher scores indicate poorer sleep quality
|
Change from baseline to intervention program completion, an average of 8 weeks
|
|
Drug Cravings using Questionnaire
Time Frame: Change from baseline to intervention program completion, an average of 8 weeks
|
standardized questionnaire (Desires for Drug Questionnaire), higher scores indicate higher levels of cravings
|
Change from baseline to intervention program completion, an average of 8 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Nora L. Nock, PhD, Case Western Reserve University
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 (Actual)
February 10, 2023
Primary Completion (Estimated)
July 5, 2028
Study Completion (Estimated)
July 5, 2028
Study Registration Dates
First Submitted
December 23, 2022
First Submitted That Met QC Criteria
January 17, 2023
First Posted (Actual)
January 18, 2023
Study Record Updates
Last Update Posted (Actual)
March 24, 2026
Last Update Submitted That Met QC Criteria
March 20, 2026
Last Verified
March 1, 2026
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Narcotic-Related Disorders
- Neurologic Manifestations
- Mental Disorders
- Substance-Related Disorders
- Chemically-Induced Disorders
- Pathological Conditions, Signs and Symptoms
- Signs and Symptoms
- Pain
- Opioid-Related Disorders
- Motor Activity
- Movement
- Musculoskeletal Physiological Phenomena
- Musculoskeletal and Neural Physiological Phenomena
- Exercise
Other Study ID Numbers
- STUDY20201427 - R33 Phase
- 5R33AT010806-03 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
IPD Plan Description
Data will be shared as required by NIH HEAL and as deemed acceptable by governing IRB, HIPPA and other regulations.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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