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Completed Phase 4 Interventional Results available

A Study of Ixekizumab (LY2439821) Compared to Guselkumab in Participants With Moderate-to-Severe Plaque Psoriasis

ClinicalTrials.gov ID: NCT03573323

Public ClinicalTrials.gov record NCT03573323. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:53 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 24-Week Multicenter, Randomized, Blinded, Parallel-Group Study Comparing the Efficacy and Safety of Ixekizumab to Guselkumab in Patients With Moderate-to-Severe Plaque Psoriasis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to compare the efficacy and safety of ixekizumab to guselkumab in participants with moderate-to-severe plaque psoriasis.

Study identification

NCT ID
NCT03573323
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Eli Lilly and Company
Industry
Enrollment
1,027 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 9, 2018 (Actual)
Primary completion
Jul 15, 2019 (Actual)
Completion
Jan 8, 2020 (Actual)
Last update posted
Jul 28, 2020

2018 – 2020

United States locations

U.S. sites
98
U.S. states
33
U.S. cities
85
Facility City State ZIP Site status
Total Skin and Beauty Dermatology Center PC Birmingham Alabama 35205 —
University of Alabama at Birmingham Birmingham Alabama 35233 —
Alliance Dermatology and Mohs Center Phoenix Arizona 85032 —
Perseverance Research Center Scottsdale Arizona 85254 —
Johnson Dermatology Fort Smith Arkansas 72916 —
Bakersfield Dermatology and Skin Cancer Medical Group Bakersfield California 93309 —
Wallace Medical Group, Inc. Beverly Hills California 90211 —
California Dermatology and Clinical Research Institute Encinitas California 92024 —
Tien Q. Nguyen, MD inc. DBA First OC Dermatology Fountain Valley California 92708 —
Center for Dermatology Clinical Research, Inc. Fremont California 94538 —
Advanced Research Center Los Alamitos California 90720 —
Axis Clinical Trials Los Angeles California 90036 —
Dermatology Clinical Trials Newport Beach California 92660 —
Quest Dermatology Research Northridge California 91324 —
Northern California Research Corporation Sacramento California 95821 —
Advanced Research Center San Diego California 92103 —
Medical Center for Clinical Research San Diego California 92108 —
University Clinical Trials, Inc. San Diego California 92123 —
Synergy Dermatology San Francisco California 94132 —
Southern California Dermatology Santa Ana California 92701 —
Mosaic Dermatology Santa Monica California 90403 —
Clinical Science Institute Santa Monica California 90404 —
Unison Clinical Trials Sherman Oaks California 91403 —
Care Access Research-Walnut Creek Walnut Creek California 94598 —
Dermatology Physicians of Connecticut Shelton Connecticut 06484 —
Florida Academic Dermatology Centers Coral Gables Florida 33134 —
Olympian Clinical Research Largo Florida 33770 —
Suncoast Research Group, LLC Miami Florida 33135 —
Miami Dermatology & Laser Research Miami Florida 33173 —
Suncoast Clinical Research New Port Richey Florida 34652 —
Renstar Medical Research Ocala Florida 34470 —
Sensible Healthcare Ocoee Florida 34761 —
Park Avenue Dermatology Orange Park Florida 32073 —
International Clinical Research Sanford Florida 32771 —
MOORE Clinical Research Tampa Florida 33609 —
ForCare Clinical Research Tampa Florida 33613 —
Olympian Clinical Research Tampa Florida 33614 —
Atlanta Dermatology, Vein Research Center, PC Alpharetta Georgia 30022 —
Skin Care Physicians of Georgia Macon Georgia 31217 —
Arlington Dermatology Rolling Meadows Illinois 60008 —
Dermatology Institute of Dupage Medical Group Wheaton Illinois 60189 —
Qualmedica Research LLC Evansville Indiana 47715 —
Dawes Fretzin Clinical Research Indianapolis Indiana 46250 —
Dermatology Specialists Research Indiana New Albany Indiana 47150 —
The Indiana Clinical Trials Center, PC Plainfield Indiana 46168 —
The South Bend Clinic South Bend Indiana 46617 —
Integrated Clinical Trial Services, Inc. West Des Moines Iowa 50265 —
Kansas City Dermatology, PA Overland Park Kansas 66215 —
Dermatology Specialist Louisville Kentucky 40241 —
Owensboro Dermatology Associates Owensboro Kentucky 42303 —
Lawrence J Green, M.D, LLC Rockville Maryland 20850 —
ActivMed Practices & Research, Inc Beverly Massachusetts 01915 —
Fivenson Dermatology Ann Arbor Michigan 48103 —
Great Lakes Research Group, Inc. Bay City Michigan 48706 —
Clarkston Skin Research Clarkston Michigan 48346 —
Henry Ford Medical Center- New Center One Detroit Michigan 48202 —
St Joseph Dermatology and Vein Clinic Saint Joseph Michigan 49085 —
Central Dermatology PC St Louis Missouri 63117 —
Impact Clinical Trials Las Vegas Nevada 89106 —
ActivMed Practices & Research, Inc Portsmouth New Hampshire 03801 —
Psoriasis Treatment Center of Central New Jersey East Windsor New Jersey 08520 —
Forest Hills Dermatology Group Forest Hills New York 11375 —
Sadick Research Group New York New York 10075 —
Piedmont Plastic Surgery and Dermatology Charlotte North Carolina 28277 —
Dermatology Consulting Services High Point North Carolina 27262 —
PMG Research of Rocky Mount, LLC Rocky Mount North Carolina 27804 —
PMG Research of Wilmington, LLC Wilmington North Carolina 28411 —
Bexley Dermatology Research Bexley Ohio 43209 —
University Hospitals Cleveland Medical Center Cleveland Ohio 44106 —
Wright State Univ School of Medicine Fairborn Ohio 45324 —
Ohio State Univ College Of Medicine Gahanna Ohio 43230 —
Dermatologists of Southwest Ohio, Inc. Mason Ohio 45040 —
Oregon Medical Research Center Portland Oregon 97223 —
Dermatology and Skin Surgery Center Exton Pennsylvania 19341 —
Thomas Jefferson University Philadelphia Pennsylvania 19107 —
University of Pittsburgh Medical Center Pittsburgh Pennsylvania 15213 —
Yardley Dermatology Yardley Pennsylvania 19067 —
Clinical Partners LLC Johnston Rhode Island 02919 —
Clinical Research Center of the Carolinas Charleston South Carolina 29407 —
International Clinical Research Murfreesboro Tennessee 37130 —
Arlington Research Center, Inc Arlington Texas 76011 —
Austin Institute for Clinical Research, Inc. Austin Texas 78705 —
Bellaire Dermatology Bellaire Texas 77401 —
Dermatology Treatment and Research Center Dallas Texas 75230 —
Modern Research Associates PLLC Dallas Texas 75231 —
Center for Clinical Studies Houston Texas 77004 —
Suzanne Bruce and Associates, PA Houston Texas 77056 —
Progressive Clinical Research San Antonio Texas 78213 —
Dermatology Clinical Research Center of San Antonio San Antonio Texas 78229 —
Stephen L Miller, MD, PA San Antonio Texas 78249 —
University of Utah MidValley Dematology Murray Utah 84107 —
Virginia Clinical Research Norfolk Virginia 23502 —
Virginia Dermatology & Skin Cancer Center Norfolk Virginia 23502 —
Eastern Virginia Medical School Norfolk Virginia 23507 —
National Clinical Research - Richmond Richmond Virginia 23294 —
Dermatology Associates Seattle Washington 98101 —
West Virginia Research Institute Morgantown West Virginia 26505 —
Medical College of Wisconsin Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 26 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03573323, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 28, 2020 · Synced Oct 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03573323 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →