Overview

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.

Eligibility

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