A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain

Inclusion Criteria: * have a visual analog scale (VAS) pain value \>40 and \<95 at screening and prerandomization screening. * have a history of daily pain for at least 12 weeks based on participant report or medical history * have a value of ≤30 on the pain catastrophizing scale * have a body mass index \<40 kilogram/square meter (kg/m²) (inclusive) * are willing to maintain a consistent regimen of any ongoing nonpharmacologic pain-relieving therapies (for example, physical therapy) and will not start any new nonpharmacologic pain-relieving therapies during study participation. * are willing to discontinue all medications taken for chronic pain conditions, except rescue medication for the duration of the study Exclusion Criteria: * have second- or third-degree atrioventricular (AV) heart block or AV dissociation or history of ventricular tachycardia * have had a procedure within the past 6 months intended to produce permanent sensory loss in the target area of interest (for example, ablation techniques) * have surgery planned during the study for any reason, related or not to the disease state under evaluation. * have, in the judgment of the investigator, an acute, serious, or unstable medical condition or a history or presence of any other medical illness that would preclude study participation. * have had cancer within 2 years of baseline, except for cutaneous basal cell or squamous cell carcinoma resolved by excision. * have fibromyalgia * have substance use disorder a…