NCT06864026 A Study to Investigate Effectiveness of Tirzepatide Following Initiation of Ixekizumab in Participants With Active Psoriatic Arthritis and Overweight or Obesity in Clinical Practice (TOGETHER AMPLIFY-PsA)
| NCT ID | NCT06864026 |
| Status | Recruiting |
| Phase | Phase 4 |
| Sponsor | Eli Lilly and Company |
| Condition | Psoriatic Arthritis |
| Study Type | INTERVENTIONAL |
| Enrollment | 200 participants |
| Start Date | 2025-03-06 |
| Primary Completion | 2027-11 |
Eligibility & Interventions
Eligibility Fast-Check
Enter your details for a quick preliminary check. This does not replace medical advice.
What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
Phase 4 studies follow an already-approved treatment in real-world conditions to monitor long-term safety and effectiveness.
This trial targets 200 participants in total. It began in 2025-03-06 with a primary completion date of 2027-11.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
The main purpose of this study is to assess the effectiveness of adding tirzepatide to ixekizumab therapy in standard clinical practice in participants with moderate-to-severe PsA and obesity or overweight with at least 1 weight-related comorbidity. The study will last up to 12 months.
Eligibility Criteria
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 initiate tirzepatide (Day 0) within 30 days of treatment decision (baseline or screening). Exclusion Criteria: * Have currently received ixekizumab for more than 4 months or less than 2 months. * Had any exposure to tirzepatide or other glucagon-like peptide-1 (GLP-1) receptor agonist (for example, dulaglutide, liraglutide, or semaglutide). * Are currently enrolled in any other clinical study. * Have a known hypersensitivity to any component of tirzepatide. * Have a personal or family history of medullary thyroid cancer. * Have multiple endocrine neoplasia type 2. * Have type 1 diabetes mellitus. * Have a history of chronic or acute pancreatitis at any time before screening. * Have a history of proliferative diabetic retinopathy, diabetic maculopathy, or nonproliferative diabetic retinopathy that requires acute treatment. * Have a history of ketoacidosis or hyperosmolar state/coma. * Have a history of severe hypoglycemia unawareness within the 6 months before screening. * Have a history of severe gastrointestinal complications, including gastroparesis, gastroesophageal reflux disease, dyspepsia, chronic nausea/vomiting.
Contact & Investigator
Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
✉ LillyTrials@Lilly.com📞 1-317-615-4559
Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 8 AM - 8 PM Eastern time (UTC/GMT - 5 hours, EST)
STUDY DIRECTOR
Eli Lilly and Company
Frequently Asked Questions
Who can join the NCT06864026 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, studying Psoriatic Arthritis. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
What phase is the NCT06864026 trial and what does that mean for participants?
Phase 4 studies are conducted after a treatment has been approved. They monitor long-term safety and real-world effectiveness in a broader patient population.
Is NCT06864026 currently recruiting?
Yes, NCT06864026 is actively recruiting participants. Contact the research team at LillyTrials@Lilly.com for enrollment information.
Where is the NCT06864026 trial being conducted?
This trial is being conducted at Avondale, United States, Chandler, United States, Flagstaff, United States, Gilbert, United States and 11 additional locations.
Who is sponsoring the NCT06864026 clinical trial?
NCT06864026 is sponsored by Eli Lilly and Company. The principal investigator is Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 8 AM - 8 PM Eastern time (UTC/GMT - 5 hours, EST) at Eli Lilly and Company. The trial plans to enroll 200 participants.