New pill shows promise for psoriasis in early trial
NCT ID NCT06602219
First seen Jun 26, 2026 · Last updated Aug 19, 2026 · Updated 2 times
Summary
This study tested an experimental oral drug called LY4100511 (DC-853) in 222 adults with moderate-to-severe plaque psoriasis. Participants were randomly assigned to receive different doses of the drug or a placebo. The main goal was to see how well the drug clears skin and whether it is safe. The trial has been completed, and results are being analyzed.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- LY4100511 (DC-853)
- What this could lead to
- If successful, this could lead to a new oral treatment option for moderate-to-severe plaque psoriasis, helping clear skin and reduce symptoms.
- What could go wrong
- This is a Phase 2 trial with only 222 participants, so results may not apply to everyone. The drug may not work better than placebo or could have side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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222 people
The number who actually took part.
- Started
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Oct 2024
- Finished
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Sep 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Clinical diagnosis of plaque psoriasis for 6 months before the baseline day 1 randomization * Must have a body mass index (BMI) of 18 to 40 kilogram/square meter (kg/m2) (inclusive). * Must be willing to discontinue topical and/or systemic therapies for psoriasis before the first dose of study intervention. * Must agree to avoid prolonged exposure to the sun and to refrain from the use of tanning booths, sun lamps, and other sources of ultraviolet light during the study Exclusion Criteria: * Have had a clinically significant flare of psoriasis during the 12 weeks before the baseline, as assessed by the investigator. * Have a history of erythrodermic psoriasis, generalized or localized pustular psoriasis, predominantly guttate psoriasis, or medication-induced or medication-exacerbated psoriasis. * Have any known or suspected diagnosis of inflammatory conditions other than psoriasis and psoriatic arthritis, including but not limited to rheumatoid arthritis, sarcoidosis, IBD (Crohn's disease or ulcerative colitis), or systemic lupus erythematosus. * Have a diagnosis of psoriatic arthritis requiring, or are currently receiving, systemic immunosuppressant medical treatment (including corticosteroids, immunosuppressants, and biologics). * Have a current or recent acute, active infection. Participant must have no symptoms or signs of confirmed or suspected infection and must have completed any appropriate anti-infective treatment for at least 30 days before screening and up to randomization/baseline.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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AES - DRS - Synexus Polska Sp. z o.o. Oddzial w Gdansku
Gdansk, Pomeranian Voivodeship, 80-382, Poland
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AES - DRS - Synexus Polska Sp. z o.o. Oddzial w Gdyni
Gdynia, Pomeranian Voivodeship, 81-537, Poland
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AES - DRS - Synexus Polska Sp. z o.o. Oddzial we Wroclawiu
Wroclaw, Lower Silesian Voivodeship, 50-381, Poland
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Allergo-Derm Bakos Kft
Szolnok, Jász-Nagykun-Szolnok, 5000, Hungary
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Cahaba Dermatology Skin Health Center
Birmingham, Alabama, 35244, United States
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Center for Clinical Studies, LTD.LLP
Webster, Texas, 77598, United States
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Center for Dermatology Clinical Research
Fremont, California, 94538-1614, United States
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Centrum Medyczne Angelius Provita
Katowice, 40-611, Poland
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Centrum Medyczne Reuma Park NZOZ
Warsaw, 02-665, Poland
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Cityclinic Przychodnia Lekarsko Psychologiczna Matusiak Spółka Partnerska
Wroclaw, Lower Silesian Voivodeship, 50-566, Poland
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Clinical Best Solutions
Warsaw, Masovian Voivodeship, 00-710, Poland
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Clinical Science Institute
Santa Monica, California, 90404, United States
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Clintrial s.r.o.
Prague, Praha 10, 10100, Czechia
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Debreceni Egyetem Klinikai Kozpont
Debrecen, Hajdú-Bihar, 4032, Hungary
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DermEdge Research
Mississauga, Ontario, L4Y 4C5, Canada
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DermEffects - Probity - PPDS
London, Ontario, N6H 5L5, Canada
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Dermatology Research Associates
Los Angeles, California, 90045, United States
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Dermatology Trial Associates
Bryant, Arkansas, 72022, United States
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Dermatrials Research Inc.
Hamilton, Ontario, L8N 1Y2, Canada
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Dermoklinika Centrum Medyczne s.c. M. Kierstan J. Narbutt A. Lesiak
Lodz, Łódź Voivodeship, 90-436, Poland
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Direct Helpers Research Center
Hialeah, Florida, 33012, United States
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Driven Research
Coral Gables, Florida, 33134, United States
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Endeavor Clinical Trials Center - Dermatology - Skokie
Skokie, Illinois, 60077-1049, United States
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Fakultni nemocnice Kralovske Vinohrady
Prague, 100 34, Czechia
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First OC Dermatology Research Inc
Fountain Valley, California, 92708, United States
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ForCare Clinical Research
Tampa, Florida, 33613, United States
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GCP Global Clinical Professionals, LLC
St. Petersburg, Florida, 33713-8012, United States
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Gyongyosi Bugat Pal Korhaz
Gyöngyös, 3200, Hungary
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Igarashi Dermatological Clinic
Tokyo, Japan
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Interior Dermatology Centre - Probity - PPDS
Kelowna, British Columbia, V1W 4V5, Canada
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Katahira Dermatology Urology Clinic
Kagoshima, Kagoshima-ken, 890-0063, Japan
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Kozni ambulance Fialova, s.r.o. - CRC - PPDS
Prague, 160 00, Czechia
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Kume Clinic
Sakai-shi, Osaka, 593-8324, Japan
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Laser Clinic Dermatologia Laserowa Medycyna Estetyczna
Szczecin, West Pomeranian Voivodeship, 70-332, Poland
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Lawrence J Green, M.D, LLC
Rockville, Maryland, 20850, United States
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Lovegrove Dermatology - Probity - PPDS
London, Ontario, N6A 5R9, Canada
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Lynderm Research Inc.
Markham, Ontario, L3P 1X2, Canada
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MedMare Bt
Veszprém, 8200, Hungary
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Medical Corporation Kojinkai Sapporo Skin Clinic
Sapporo, Hakkaido, 060-0063, Japan
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MensingDerma Research GmbH
Hamburg, 22391, Germany
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Nagoya City University Hospital
Nagoya, Aichi-ken, 450-0003, Japan
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Ohyama Dermatology Clinic
Kumamoto, Kumamoto, 861-4101, Japan
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Pratia Pardubice a.s. - PRATIA - PPDS
Pardubice, 530 02, Czechia
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Pratia Prague s.r.o. - PRATIA - PPDS
Prague, 13000, Czechia
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Praxis Dr. med. Virgil-Oreste Mihaescu Facharzt fr Dermatologie und STD
Augsburg, Bavaria, 86150, Germany
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Renstar Medical Research
Ocala, Florida, 34470, United States
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Shirasaki dermatology clinic
Takaoka, Toyama, 933-0871, Japan
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Simcoderm Medical & Surgical Dermatology Centre
Barrie, Ontario, L4M 7G1, Canada
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Skin Care West
Nanaimo, British Columbia, V9T1W1, Canada
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Synexus Polska Sp. z o.o. Oddzial w Czestochowie
Częstochowa, Silesian Voivodeship, 42-202, Poland
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Tachikawa Dermatology Clinic
Tachikawa, Tokyo, 190-0023, Japan
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Tokyo Medical University Hospital
Shinjuku-ku, Tokyo, 160-0023, Japan
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Universitätsklinikum Carl Gustav Carus an der TU
Dresden, 1307, Germany
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Universitätsklinikum Frankfurt
Frankfurt am Main, Hesse, 60590, Germany
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Universitätsklinikum Münster
Münster, North Rhine-Westphalia, 48149, Germany
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Universitätsklinikum Tübingen
Tübingen, Baden-Wurttemberg, 72076, Germany
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Uniwersytecki Szpital Kliniczny im. Fryderyka Chopina w Rzeszowie
Rzeszów, Podkarpackie Voivodeship, 35-055, Poland
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Zenith Research, Inc.
Beverly Hills, California, 90212, United States
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