Clinical trial Recruiting at 38 sites Phase 4 Interventional Ages 18 and up

Investigating the effectiveness of tirzepatide added to ixekizumab for psoriasis and obesity

Official title: A Phase 4, Prospective, Open-Label, Single Arm Study to Assess the Effectiveness of Tirzepatide After Initiation of Ixekizumab in Adult Participants With Moderate-to-Severe Plaque Psoriasis and Obesity or Overweight in Clinical Practice

Run by Eli Lilly and Company · NCT06857942 · Data updated 2026-11-12

This study is testing if adding a weight-loss medication called tirzepatide to an existing psoriasis treatment can help people with moderate-to-severe plaque psoriasis who are also overweight or obese.

More Psoriasis trials

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment200 (estimated)
SponsorEli Lilly and Company
Industry-sponsored
Drugs / interventionsixekizumab
Locations38 sites (Phoenix, Arizona and 37 other locations)
StatusRecruiting
StartedMarch 19, 2025
Main results expectedMay 2028
Study endsMay 2028
Registry record updatedNovember 4, 2026
Trial IDNCT06857942 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals diagnosed with moderate-to-severe plaque psoriasis and a BMI of 27 or greater, who have been on ixekizumab for approximately three months.

Probably not a fit

Patients who have been on ixekizumab for more than four months or have previously used tirzepatide or similar medications may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to evaluate how effective the addition of tirzepatide is when used alongside ixekizumab in patients with moderate-to-severe plaque psoriasis who are also overweight or obese. Participants must have been on ixekizumab for about three months before starting tirzepatide. The study will last for up to 12 months and will take place in standard clinical practice settings. The focus is on patients who have at least one weight-related comorbidity.

Why it matters

Potential benefit: If successful, this approach could improve treatment outcomes for patients with psoriasis and obesity, potentially leading to better management of both conditions.

How similar studies have gone: While this specific combination has not been extensively tested, similar approaches using other GLP-1 receptor agonists have shown promise in managing obesity-related conditions.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have a diagnosis of moderate-to-severe plaque PsO, as defined by a dermatologist or other experienced clinician treated PsO (for example, allergologist, nurse practitioner or physician assistant)
* Have 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 mellitus, obstructive sleep apnea, or cardiovascular diseases).
* Must have initiated treatment 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/screening).

Exclusion Criteria:

* Have currently received ixekizumab for more than 4 months or less than 2 months.
* Have had any exposure to tirzepatide or other glucagon-like peptide-1 receptor agonist (GLP-1 RAs), for example, dulaglutide, liraglutide, or semaglutide.
* Are currently enrolled in any other clinical study.

Other exclusions

* Have a known hypersensitivity to tirzepatide or to any of its component.
* Have a personal or family history of medullary thyroid cancer.
* Have multiple endocrine neoplasia type 2.
* Have type I diabetes mellitus.
* Have a history of chronic or acute pancreatitis at any time before screening (Visit 1).
* 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 and hypoglycemia unawareness within the 6 months before screening.
* Have a history of severe gastrointestinal complications, including gastroparesis, gastroesophageal reflux disease, dyspepsia, chronic nausea/constipation/vomiting.

Where it's running

  • Medical Dermatology Specialists
    Phoenix, Arizona, United States
    Recruiting
  • First OC Dermatology Research Inc
    Fountain Valley, California, United States
    Recruiting
  • Center For Dermatology Clinical Research, Inc.
    Fremont, California, United States
    Recruiting
  • Metropolis Dermatology
    Los Angeles, California, United States
    Recruiting
  • Northridge Clinical Trials
    Northridge, California, United States
    Recruiting
  • NeoClinical Research
    Hialeah, Florida, United States
    Recruiting
Show 32 more locations
  • Skin Care Research
    Hollywood, Florida, United States
    Recruiting
  • Encore Medical Research
    Hollywood, Florida, United States
    Recruiting
  • MOORE Clinical Research, Inc. d/b/a TrueBlue Clinical Research
    Tampa, Florida, United States
    Recruiting
  • TruDerm & TruSpa
    Wellington, Florida, United States
    Recruiting
  • Southeast Research Specialists
    Douglasville, Georgia, United States
    Recruiting
  • Dawes Fretzin Clinical Research Group, LLC
    Indianapolis, Indiana, United States
    Recruiting
  • The Indiana Clinical Trials Center, PC
    Plainfield, Indiana, United States
    Recruiting
  • Equity Medical - Bowling Green
    Bowling Green, Kentucky, United States
    Recruiting
  • Dermatology and Skin Cancer Specialists, LLC
    Rockville, Maryland, United States
    Recruiting
  • Metro Boston Clinical Partners
    Brighton, Massachusetts, United States
    Recruiting
  • David Fivenson, MD, PLC
    Ann Arbor, Michigan, United States
    Recruiting
  • The Derm Institute of West Michigan
    Caledonia, Michigan, United States
    Recruiting
  • Skin Cancer and Dermatology Institute - Reno
    Reno, Nevada, United States
    Recruiting
  • Stracskin
    Portsmouth, New Hampshire, United States
    Recruiting
  • Psoriasis Treatment Center of Central New Jersey
    East Windsor, New Jersey, United States
    Recruiting
  • Care Access - Hoboken
    Hoboken, New Jersey, United States
    Recruiting
  • Equity Medical
    New York, New York, United States
    Recruiting
  • Revival Research Institute, LLC
    Cary, North Carolina, United States
    Recruiting
  • Onsite Clinical Solutions - Huntersville
    Huntersville, North Carolina, United States
    Recruiting
  • Optima Research - Boardman
    Boardman, Ohio, United States
    Recruiting
  • Oregon Dermatology and Research Center
    Portland, Oregon, United States
    Recruiting
  • Dermatology Associates of Plymouth Meeting
    Plymouth Meeting, Pennsylvania, United States
    Recruiting
  • Columbia Dermatology & Aesthetics
    Columbia, South Carolina, United States
    Recruiting
  • DelRicht Research - Thompson's Station
    Smyrna, Tennessee, United States
    Recruiting
  • Bellaire Dermatology Associates
    Bellaire, Texas, United States
    Recruiting
  • Modern Research Associates, PLLC
    Dallas, Texas, United States
    Recruiting
  • Center for Clinical Studies
    Houston, Texas, United States
    Recruiting
  • Austin Institute for Clinical Research
    Pflugerville, Texas, United States
    Recruiting
  • Texas Dermatology and Laser Specialists
    San Antonio, Texas, United States
    Recruiting
  • Center for Clinical Studies
    Webster, Texas, United States
    Recruiting
  • Tanner Clinic
    Layton, Utah, United States
    Recruiting
  • Bellevue Dermatology Clinic
    Bellevue, Washington, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.