A Phase 4, Prospective, Open-Label, Single-Arm Study to Assess the Effectiveness of Tirzepatide After Initiation of Ixekizumab in Adult Participants With Active Psoriatic Arthritis and Overweight or Obesity in Clinical Practice.

Inclusion Criteria: * Have a diagnosis of active psoriatic arthritis (PsA) as defined by a rheumatologist or other healthcare professional (HCP) experienced in treating PsA. * Body Mass Index (BMI) of 30 kilograms per meter squared (kg/m²) or greater (obesity) or 27 kg/m2 to \<30 kg/m² (overweight) in the presence of at least 1 weight-related comorbid condition (hypertension, dyslipidemia, type 2 diabetes, obstructive sleep apnea, or cardiovascular disease). * Who have been treated with ixekizumab for approximately 3 months (±1 month) prior to decision to add tirzepatide. * Must be able to in…