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NCT06588296CompletedPhase 3

Ixekizumab Concomitantly Administered With Tirzepatide in Adults With Psoriatic Arthritis and Obesity or Overweight

Efficacy and Safety of Ixekizumab or Ixekizumab Concomitantly Administered With Tirzepatide in Adult Participants With Active Psoriatic Arthritis and Obesity or Overweight: A Phase 3b, Randomized, Multicenter, Open-Label Study (TOGETHER-PsA)

Source: ClinicalTrials.gov · Last updated 13 May 2026

Brief summary (registry, in English)

The main purpose of this study is to demonstrate that when participants with psoriatic arthritis 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 psoriatic arthritis 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
279 (actual)
First submitted
4 Sept 2024
Start date
24 Sept 2024
Primary completion date
18 Nov 2025
Lead sponsor
Eli Lilly and Company
NCT number
NCT06588296

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 279
  • From 24 Sept 2024 to the primary completion date, 18 Nov 2025
  • 86 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 a serious disorder or illness other than PsA.
  • Have a history of chronic or acute pancreatitis.

Other

  • Diagnosis of other inflammatory arthritis, such as Rheumatoid Arthritis (RA), ankylosing spondylitis, reactive arthritis, gout, or enteropathic arthritis.

Who the study is looking for

  • Have signs and/or symptoms or documented diagnosis of Psoriatic Arthritis (PsA) for at least 6 months and currently fulfilling the classification of Psoriatic Arthritis (CASPAR) criteria.
  • Have active PsA, defined as the presence of at least 3 of 68 tender joints and at least 3 of 66 swollen joints.
  • 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 80 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (86)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
Centro Reumatologico Caguas
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CaguasPuerto RicoUnknown status
Reuviva Research Center
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GuaynaboPuerto 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
Caribbean Medical Research Center
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San JuanPuerto RicoUnknown status
Albuquerque Center for Rheumatology
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AlbuquerqueUnited StatesUnknown status
Medvin Clinical Research - Apple Valley
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Apple ValleyUnited StatesUnknown status
Tekton Research, LLC.
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AustinUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Avondale
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AvondaleUnited StatesUnknown status
Accurate Clinical Management, LLC
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BaytownUnited StatesUnknown status
Rheumatology & Pulmonary Clinic
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BeckleyUnited StatesUnknown status
Overlake Arthritis and Osteoporosis Center
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BellevueUnited StatesUnknown status
St. Luke's Clinic
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BoiseUnited StatesUnknown status
St. Lawrence Health System
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CantonUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Chandler
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ChandlerUnited StatesUnknown status
Great Lakes Clinical Trials - Ravenswood
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ChicagoUnited StatesUnknown status
Clinical Research of West Florida, Inc. (Clearwater)
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ClearwaterUnited StatesUnknown status
Precision Comprehensive Clinical Research Solutions - Colleyville
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ColleyvilleUnited StatesUnknown status
Arthritis Care of Texas
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Corpus ChristiUnited StatesUnknown status
Medvin Clinical Research - Covina
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CovinaUnited StatesUnknown status
Klein & Associates, M.D., P.A.
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CumberlandUnited StatesUnknown status
Denver Arthritis Clinic
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DenverUnited StatesUnknown status
Altoona Center For Clinical Research
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DuncansvilleUnited StatesUnknown status
Saint Paul Rheumatology
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EaganUnited StatesUnknown status
Qualmedica Research, LLC
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EvansvilleUnited StatesUnknown status
NECCR PrimaCare Research
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Fall RiverUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Flagstaff
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FlagstaffUnited StatesUnknown status
AARA Clinical Research - Lone Star Arthritis and Rheumatology Associates - Fort Worth
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Fort WorthUnited StatesUnknown status
Southeastern Rheumatology Alliance dba Arthritis Center of North Georgia
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GainesvilleUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Gilbert
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GilbertUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Glendale
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GlendaleUnited StatesUnknown status
Klein & Associates, M.D., P.A.
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HagerstownUnited StatesUnknown status
NeoClinical Research
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HialeahUnited StatesUnknown status
South Florida Rheumatology
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HollywoodUnited StatesUnknown status
Accurate Clinical Research, Inc
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HoustonUnited StatesUnknown status
Research Physicians Network, LLC
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HoustonUnited StatesUnknown status
Newport Huntington Medical Group
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Huntington BeachUnited StatesUnknown status
AARA Clinical Research - Lone Star Arthritis and Rheumatology Associates - Irving
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IrvingUnited StatesUnknown status
West Tennessee Research Institute
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JacksonUnited StatesUnknown status
Jacksonville Center for Clinical Research
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JacksonvilleUnited StatesUnknown status
Logan Health Research
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KalispellUnited StatesUnknown status
AARA Clinical Research - Kansas City Physician Partners - North
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Kansas CityUnited StatesUnknown status
Biopharma Informatic, LLC
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KatyUnited StatesUnknown status
Vida Clinical Research
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KissimmeeUnited StatesUnknown status
Accurate Clinical Research, Inc
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Lake CharlesUnited StatesUnknown status
Purushotham & Akther Kotha MD, Inc
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La MesaUnited StatesUnknown status
Physician Research Collaboration, LLC
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LincolnUnited StatesUnknown status
West Texas Clinical Research
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LubbockUnited StatesUnknown status
Life Clinical Trials
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MargateUnited StatesUnknown status
Atlanta Research Center for Rheumatology
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MariettaUnited StatesUnknown status
Valley Arthritis Center
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McAllenUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Mesa
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MesaUnited StatesUnknown status
SouthWest Rheumatology Research, LLC
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MesquiteUnited StatesUnknown status
Paramount Medical Research & Consulting, LLC
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Middleburg HeightsUnited StatesUnknown status
AARA Clinical Research - Murfreesboro Medical Clinic
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MurfreesboroUnited StatesUnknown status
Suncoast Clinical Research, Inc.
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New Port RicheyUnited StatesUnknown status
Advanced Rheumatology, PC
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OkemosUnited StatesUnknown status
RAO Research LLC
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Oklahoma CityUnited StatesUnknown status
Vitalia Medical Research
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Palm Beach GardensUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Phoenix PV
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PhoenixUnited StatesUnknown status
Summit Headlands
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PortlandUnited StatesUnknown status
Medvin Clinical Research - Riverside
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RiversideUnited StatesUnknown status
Onsite Clinical Solutions, LLC - Brenner Ave
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SalisburyUnited StatesUnknown status
Rheumatology Center of San Diego
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San DiegoUnited StatesUnknown status
Inspire Santa Fe Medical Group
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Santa FeUnited StatesUnknown status
Sarasota Arthritis Center
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SarasotaUnited StatesUnknown status
Greater Chicago Specialty Physicians
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SchaumburgUnited StatesUnknown status
Arnold Arthritis & Rheumatology
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SkokieUnited StatesUnknown status
Arthritis Northwest, PLLC
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SpokaneUnited StatesUnknown status
Clinvest Headlands LLC
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SpringfieldUnited StatesUnknown status
Arthritis Consultants, Inc.
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St LouisUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Sun City
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Sun CityUnited StatesUnknown status
Clinical Research of West Florida
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TampaUnited StatesUnknown status
International Center for Research
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TampaUnited StatesUnknown status
Medvin Clinical Research - Temecula
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TemeculaUnited StatesUnknown status
Advanced Rheumatology of Houston - Woodlands
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The WoodlandsUnited StatesUnknown status
Cohen Medical Centers
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Thousand OaksUnited StatesUnknown status
DM Clinical Research - TRA
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TomballUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Tucson
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TucsonUnited StatesUnknown status
AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Tucson Southeast
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TucsonUnited StatesUnknown status
Medvin Clinical Research - Tujunga
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TujungaUnited StatesUnknown status
Essential Medical Research
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TulsaUnited StatesUnknown status
Medvin Clinical Research - Whittier
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WhittierUnited StatesUnknown status
Alliance for Multispecialty Research LLC
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WichitaUnited StatesUnknown status
Willow Rheumatology and Wellness PLLC
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WillowbrookUnited StatesUnknown status
Conquest Research
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Winter ParkUnited StatesUnknown status

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