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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

Full criteria on ClinicalTrials.gov

Sites (72)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
SCB Research Center
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BayamónPuerto RicoUnknown status
Office of Dr. Alma M. Cruz
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CarolinaPuerto RicoUnknown status
GCM Medical Group, PSC - Hato Rey Site
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San JuanPuerto RicoUnknown status
Mindful Medical Research
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San JuanPuerto RicoUnknown status
Care Access - Arlington
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ArlingtonUnited StatesUnknown status
Tekton Research - Westlake Drive
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AustinUnited StatesUnknown status
DelRicht Research
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Baton RougeUnited StatesUnknown status
Great Lakes Research Group, Inc.
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Bay CityUnited StatesUnknown status
Bellaire Dermatology Associates
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BellaireUnited StatesUnknown status
Bellevue Dermatology Clinic
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BellevueUnited StatesUnknown status
Total Skin & Beauty Dermatology Center, PC DBA Total Dermatology
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BirminghamUnited StatesUnknown status
Optima Research Boardman
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BoardmanUnited StatesUnknown status
Equity Medical Bowling Green
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Bowling GreenUnited StatesUnknown status
Dermatology of Seattle
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BurienUnited StatesUnknown status
The Derm Institute of West Michigan
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CaledoniaUnited StatesUnknown status
DeNova Research
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ChicagoUnited StatesUnknown status
Columbia Dermatology & Aesthetics
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ColumbiaUnited StatesUnknown status
Life Clinical Trials
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Coral SpringsUnited StatesUnknown status
Modern Research Associates Pllc
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DallasUnited StatesUnknown status
Care Access - Danville
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DanvilleUnited StatesUnknown status
Psoriasis Treatment Center of Central New Jersey
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East WindsorUnited StatesUnknown status
California Dermatology & Clinical Research Institute
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EncinitasUnited StatesUnknown status
Red River Research Partners
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FargoUnited StatesUnknown status
Alliance for Multispecialty Research, LLC
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Fort MyersUnited StatesUnknown status
Johnson Dermatology
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Fort SmithUnited StatesUnknown status
First Oc Dermatology Research Inc
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Fountain ValleyUnited StatesUnknown status
NeoClinical Research
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HialeahUnited StatesUnknown status
Care Access - Hoboken
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HobokenUnited StatesUnknown status
Encore Medical Research
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HollywoodUnited StatesUnknown status
Skin Care Research
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HollywoodUnited StatesUnknown status
Onsite Clinical Solutions - Huntersville
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HuntersvilleUnited StatesUnknown status
Dawes Fretzin Clinical Research Group, LLC
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IndianapolisUnited StatesUnknown status
Solutions Through Advanced Research
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JacksonvilleUnited StatesUnknown status
Avance Clinical Trials
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Laguna NiguelUnited StatesUnknown status
Care Access - Lake Charles (Bayou Pines)
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Lake CharlesUnited StatesUnknown status
Las Vegas Dermatology
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Las VegasUnited StatesUnknown status
Tanner Clinic
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LaytonUnited StatesUnknown status
Metropolis Dermatology
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Los AngelesUnited StatesUnknown status
Dermatology Research Associates
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Los AngelesUnited StatesUnknown status
Dermatologists of Southwest Ohio
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MasonUnited StatesUnknown status
Deluxe Health Center
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Miami LakesUnited StatesUnknown status
International Clinical Research - Tennessee LLC
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MurfreesboroUnited StatesUnknown status
Oak Dermatology
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NapervilleUnited StatesUnknown status
Mount Sinai Doctors - East 85th Street
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New YorkUnited StatesUnknown status
Equity Medical
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New YorkUnited StatesUnknown status
Virginia Clinical Research, Inc.
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NorfolkUnited StatesUnknown status
Northridge Clinical Trials
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NorthridgeUnited StatesUnknown status
MI Skin Innovations
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NorthvilleUnited StatesUnknown status
Renstar Medical Research
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OcalaUnited StatesUnknown status
Cura Clinical Research - Oxnard
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OxnardUnited StatesUnknown status
Austin Institute for Clinical Research
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PflugervilleUnited StatesUnknown status
Medical Dermatology Specialists
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PhoenixUnited StatesUnknown status
The Indiana Clinical Trials Center, PC
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PlainfieldUnited StatesUnknown status
Leading Edge Dermatology
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PlantationUnited StatesUnknown status
Dermatology Associates of Plymouth Meeting
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Plymouth MeetingUnited StatesUnknown status
Oregon Medical Research Center
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PortlandUnited StatesUnknown status
Oregon Dermatology and Research Center
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PortlandUnited StatesUnknown status
ActivMed Practices & Research, LLC.
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PortsmouthUnited StatesUnknown status
Skin Cancer and Dermatology Institute - Reno
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RenoUnited StatesUnknown status
Dermatology and Skin Cancer Specialists, LLC
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RockvilleUnited StatesUnknown status
Lawrence J. Green, MD, LLC
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RockvilleUnited StatesUnknown status
Integrative Skin Science and Research - Location 2
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SacramentoUnited StatesUnknown status
Texas Dermatology and Laser Specialists
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San AntonioUnited StatesUnknown status
Progressive Clinical Research
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San AntonioUnited StatesUnknown status
Dermatology Clinical Research Center of San Antonio
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San AntonioUnited StatesUnknown status
Therapeutics Clinical Research
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San DiegoUnited StatesUnknown status
International Clinical Research - Sanford
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SanfordUnited StatesUnknown status
Scottsdale Clinical Trials
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ScottsdaleUnited StatesUnknown status
DelRicht Research - Thompson's Station
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SmyrnaUnited StatesUnknown status
Palm Harbor Dermatology PA d/b/a TrueBlue Clinical Research
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TampaUnited StatesUnknown status
Nodal Medical Center
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TampaUnited StatesUnknown status
Yuma Clinical Trials
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YumaUnited StatesUnknown status

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This page is information, not medical advice. Discuss any trial with your doctor.