NCT06588283CompletedPhase 3
Ixekizumab Concomitantly Administered With Tirzepatide in Adults With Moderate-to-Severe Plaque Psoriasis and Obesity or Overweight
Efficacy and Safety of Ixekizumab or Ixekizumab Concomitantly Administered With Tirzepatide in Adult Participants With Moderate-to-Severe Plaque Psoriasis and Obesity or Overweight: A Phase 3b, Randomized, Multicenter, Open-Label Study (TOGETHER-PsO)
Source: ClinicalTrials.gov · Last updated 17 Jun 2026
Brief summary (registry, in English)
The main purpose of this study is to demonstrate that when participants with moderate to severe plaque psoriasis and obesity or overweight in the presence of at least 1 weight-related comorbid condition receive ixekizumab and tirzepatide concomitantly administered, participants see improvement in their psoriasis and achieve weight reduction compared to when receiving ixekizumab. Participation in this study includes up to 12 visits and could last up to 61 weeks including screening, open label treatment period, and post-treatment follow-up period.
- Status (registry)
- Completed
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 281 (actual)
- First submitted
- 4 Sept 2024
- Start date
- 30 Sept 2024
- Primary completion date
- 8 Jan 2026
- Lead sponsor
- Eli Lilly and Company
- NCT number
- NCT06588283
What you commit to
- Study type: Interventional · Phase 3
- Participants enrolled: 281
- From 30 Sept 2024 to the primary completion date, 8 Jan 2026
- 72 sites in 2 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Have a prior or planned surgical treatment for obesity.
- Have any prior use of ixekizumab or tirzepatide.
- Have a previous failure or intolerance to an interleukin 17 inhibitor (IL-17i) or glucagon-like peptide 1 (GLP-1) receptor agonists.
Other illness
- Medical Conditions
- Have Type 1 Diabetes Mellitus (T1DM).
- Have insulin-treated Type 2 Diabetes Mellitus (T2DM).
- Have a family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia (MEN) syndrome type 2.
- Have active, or a history of inflammatory bowel disease (Crohn's or ulcerative colitis).
- Have a diagnosis or history of malignant disease within the 5 years prior to randomization, with the following exceptions:
- basal cell or squamous epithelial carcinomas of the skin that have been resected, with no evidence of metastatic disease for 3 years.
- cervical carcinoma in situ, with no evidence of recurrence within the 5 years prior to randomization.
- Have serious disorder or illness other than PsO.
- Have a history of chronic or acute pancreatitis.
Who the study is looking for
- Have a diagnosis of moderate-to-severe plaque psoriasis (PsO) for at least 6 months.
- Have both a Static Physician's Global Assessment (sPGA) score of ≥3 and a Psoriasis Area and Severity Index (PASI) ≥12.
- Have ≥10% body surface area (BSA) involvement.
- Have obesity, body mass index of ≥30 kilograms per meter squared (BMI ≥30 kg/m²) or overweight (BMI ≥27 to \<30 kg/m²) in the presence of at least 1 of these weight-related comorbid conditions (hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease, or T2DM).
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (72)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| SCB Research Center Coordinator of this site? Confirm its status | Bayamón | Puerto Rico | Unknown status |
| Office of Dr. Alma M. Cruz Coordinator of this site? Confirm its status | Carolina | Puerto Rico | Unknown status |
| GCM Medical Group, PSC - Hato Rey Site Coordinator of this site? Confirm its status | San Juan | Puerto Rico | Unknown status |
| Mindful Medical Research Coordinator of this site? Confirm its status | San Juan | Puerto Rico | Unknown status |
| Care Access - Arlington Coordinator of this site? Confirm its status | Arlington | United States | Unknown status |
| Tekton Research - Westlake Drive Coordinator of this site? Confirm its status | Austin | United States | Unknown status |
| DelRicht Research Coordinator of this site? Confirm its status | Baton Rouge | United States | Unknown status |
| Great Lakes Research Group, Inc. Coordinator of this site? Confirm its status | Bay City | United States | Unknown status |
| Bellaire Dermatology Associates Coordinator of this site? Confirm its status | Bellaire | United States | Unknown status |
| Bellevue Dermatology Clinic Coordinator of this site? Confirm its status | Bellevue | United States | Unknown status |
| Total Skin & Beauty Dermatology Center, PC DBA Total Dermatology Coordinator of this site? Confirm its status | Birmingham | United States | Unknown status |
| Optima Research Boardman Coordinator of this site? Confirm its status | Boardman | United States | Unknown status |
| Equity Medical Bowling Green Coordinator of this site? Confirm its status | Bowling Green | United States | Unknown status |
| Dermatology of Seattle Coordinator of this site? Confirm its status | Burien | United States | Unknown status |
| The Derm Institute of West Michigan Coordinator of this site? Confirm its status | Caledonia | United States | Unknown status |
| DeNova Research Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Columbia Dermatology & Aesthetics Coordinator of this site? Confirm its status | Columbia | United States | Unknown status |
| Life Clinical Trials Coordinator of this site? Confirm its status | Coral Springs | United States | Unknown status |
| Modern Research Associates Pllc Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Care Access - Danville Coordinator of this site? Confirm its status | Danville | United States | Unknown status |
| Psoriasis Treatment Center of Central New Jersey Coordinator of this site? Confirm its status | East Windsor | United States | Unknown status |
| California Dermatology & Clinical Research Institute Coordinator of this site? Confirm its status | Encinitas | United States | Unknown status |
| Red River Research Partners Coordinator of this site? Confirm its status | Fargo | United States | Unknown status |
| Alliance for Multispecialty Research, LLC Coordinator of this site? Confirm its status | Fort Myers | United States | Unknown status |
| Johnson Dermatology Coordinator of this site? Confirm its status | Fort Smith | United States | Unknown status |
| First Oc Dermatology Research Inc Coordinator of this site? Confirm its status | Fountain Valley | United States | Unknown status |
| NeoClinical Research Coordinator of this site? Confirm its status | Hialeah | United States | Unknown status |
| Care Access - Hoboken Coordinator of this site? Confirm its status | Hoboken | United States | Unknown status |
| Encore Medical Research Coordinator of this site? Confirm its status | Hollywood | United States | Unknown status |
| Skin Care Research Coordinator of this site? Confirm its status | Hollywood | United States | Unknown status |
| Onsite Clinical Solutions - Huntersville Coordinator of this site? Confirm its status | Huntersville | United States | Unknown status |
| Dawes Fretzin Clinical Research Group, LLC Coordinator of this site? Confirm its status | Indianapolis | United States | Unknown status |
| Solutions Through Advanced Research Coordinator of this site? Confirm its status | Jacksonville | United States | Unknown status |
| Avance Clinical Trials Coordinator of this site? Confirm its status | Laguna Niguel | United States | Unknown status |
| Care Access - Lake Charles (Bayou Pines) Coordinator of this site? Confirm its status | Lake Charles | United States | Unknown status |
| Las Vegas Dermatology Coordinator of this site? Confirm its status | Las Vegas | United States | Unknown status |
| Tanner Clinic Coordinator of this site? Confirm its status | Layton | United States | Unknown status |
| Metropolis Dermatology Coordinator of this site? Confirm its status | Los Angeles | United States | Unknown status |
| Dermatology Research Associates Coordinator of this site? Confirm its status | Los Angeles | United States | Unknown status |
| Dermatologists of Southwest Ohio Coordinator of this site? Confirm its status | Mason | United States | Unknown status |
| Deluxe Health Center Coordinator of this site? Confirm its status | Miami Lakes | United States | Unknown status |
| International Clinical Research - Tennessee LLC Coordinator of this site? Confirm its status | Murfreesboro | United States | Unknown status |
| Oak Dermatology Coordinator of this site? Confirm its status | Naperville | United States | Unknown status |
| Mount Sinai Doctors - East 85th Street Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| Equity Medical Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| Virginia Clinical Research, Inc. Coordinator of this site? Confirm its status | Norfolk | United States | Unknown status |
| Northridge Clinical Trials Coordinator of this site? Confirm its status | Northridge | United States | Unknown status |
| MI Skin Innovations Coordinator of this site? Confirm its status | Northville | United States | Unknown status |
| Renstar Medical Research Coordinator of this site? Confirm its status | Ocala | United States | Unknown status |
| Cura Clinical Research - Oxnard Coordinator of this site? Confirm its status | Oxnard | United States | Unknown status |
| Austin Institute for Clinical Research Coordinator of this site? Confirm its status | Pflugerville | United States | Unknown status |
| Medical Dermatology Specialists Coordinator of this site? Confirm its status | Phoenix | United States | Unknown status |
| The Indiana Clinical Trials Center, PC Coordinator of this site? Confirm its status | Plainfield | United States | Unknown status |
| Leading Edge Dermatology Coordinator of this site? Confirm its status | Plantation | United States | Unknown status |
| Dermatology Associates of Plymouth Meeting Coordinator of this site? Confirm its status | Plymouth Meeting | United States | Unknown status |
| Oregon Medical Research Center Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| Oregon Dermatology and Research Center Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| ActivMed Practices & Research, LLC. Coordinator of this site? Confirm its status | Portsmouth | United States | Unknown status |
| Skin Cancer and Dermatology Institute - Reno Coordinator of this site? Confirm its status | Reno | United States | Unknown status |
| Dermatology and Skin Cancer Specialists, LLC Coordinator of this site? Confirm its status | Rockville | United States | Unknown status |
| Lawrence J. Green, MD, LLC Coordinator of this site? Confirm its status | Rockville | United States | Unknown status |
| Integrative Skin Science and Research - Location 2 Coordinator of this site? Confirm its status | Sacramento | United States | Unknown status |
| Texas Dermatology and Laser Specialists Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Progressive Clinical Research Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Dermatology Clinical Research Center of San Antonio Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Therapeutics Clinical Research Coordinator of this site? Confirm its status | San Diego | United States | Unknown status |
| International Clinical Research - Sanford Coordinator of this site? Confirm its status | Sanford | United States | Unknown status |
| Scottsdale Clinical Trials Coordinator of this site? Confirm its status | Scottsdale | United States | Unknown status |
| DelRicht Research - Thompson's Station Coordinator of this site? Confirm its status | Smyrna | United States | Unknown status |
| Palm Harbor Dermatology PA d/b/a TrueBlue Clinical Research Coordinator of this site? Confirm its status | Tampa | United States | Unknown status |
| Nodal Medical Center Coordinator of this site? Confirm its status | Tampa | United States | Unknown status |
| Yuma Clinical Trials Coordinator of this site? Confirm its status | Yuma | United States | Unknown status |
Related publications
- Ixekizumab With or Without Tirzepatide in Adults With Psoriasis and Overweight or Obesity: A Phase 3b Randomized Clinical Trial.JAMA Dermatol · 2026 · PMID 42139049
This page is information, not medical advice. Discuss any trial with your doctor.