Opioids, Low Nicotine Cigarettes, and Chronic Pain

Inclusion Criteria: * Aged 21+ years who smoke cigarettes daily * Chronic non-cancer musculoskeletal pain secondary to structural changes (e.g., low back pain, osteoarthritis) * Have received stable office-based buprenorphine treatment for opioid use disorder for at least 30 days * Self-report smoking at least 10 cigarettes/day * Expired breath carbon monoxide (CO) level \>8 ppm * Have a smartphone capable of running software for ecological momentary assessment * Open to exploring the possibility of quitting smoking Exclusion Criteria: * Pain specifically due to cancer * Other significant health problems * Major surgery within the past 6 months or planned surgery within the timeframe of the study * Current disability litigation * Use of electronic cigarettes or other non-cigarette tobacco products \> 9 of the past 30 days * Current use of nicotine replacement therapy or other cessation treatment * Current daily or near-daily cannabis use * History of psychotic disorder * Acute suicidality or current unstable psychiatric disorder * Positive pregnancy test * Actively seeking smoking cessation treatment