New pill aims to stop the itch of prurigo nodularis
NCT ID NCT06516965
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This phase 3 trial tests an oral drug called povorcitinib in 346 adults with prurigo nodularis, a condition causing intense itching and bumpy skin lesions. Participants receive either the drug or a placebo for 24 weeks. The study measures whether the drug reduces itch severity and clears skin lesions better than placebo.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Povorcitinib (an oral tablet that targets inflammation)
- What this could lead to
- If it works, this could provide a new treatment option to control severe itching and skin bumps in prurigo nodularis.
- What could go wrong
- This is a phase 3 trial, but results are not yet available. The drug may not work better than placebo, and side effects are possible.
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 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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346 people
The number who actually took part.
- Started
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Oct 2024
- Expected to finish
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May 2027
An estimate. End dates often move.
- 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 75 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: * Male and female participants 18 to 75 years of age. * Clinical diagnosis of PN for at least 3 months prior to Screening visit. * Pruritus, defined as an average Itch NRS score ≥ 7 during the 7 days prior to Day 1/Baseline. * Total of ≥ 20 pruriginous lesions on ≥ 2 different body regions (both legs, and/or both arms, and/or trunk) at Screening and Day 1/Baseline. * Documented history of treatment failure, demonstrated intolerance, or contraindication to a previous PN treatment. * Willingness to avoid pregnancy or fathering children. Exclusion Criteria: * Chronic pruritus due to a condition other than PN or neuropathic and psychogenic pruritus. * Diagnosis of PN secondary to medications. * Active AD lesions (signs and symptoms other than dry skin) within 3 months prior to Screening visit. * Women who are pregnant (or are considering pregnancy) or breastfeeding. * Medical history including thrombocytopenia, coagulopathy or platelet dysfunction; venous and arterial thrombosis, deep vein thrombosis, pulmonary embolism, stroke, moderate to severe heart failure, cerebrovascular accident, myocardial infarction, or other significant cardiovascular diseases; Q-wave interval abnormalities; disseminated herpes zoster or dermatomal herpes zoster; disseminated herpes simplex; chronic/recurrent infections; malignancies. * Evidence of infection with TB, HBV, HCV or HIV. * History of failure to any topical or systemic JAK or TYK2 inhibitor as treatment of PN or any inflammatory disease. * Laboratory values outside of the protocol-defined ranges. Other protocol-defined Inclusion/Exclusion Criteria apply.
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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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Aesthetic General Dermatology of Seattle
Burien, Washington, 98168, United States
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Akk Medical Sp. Z O.O. - Centrum Medyczne Tu Sie Leczy
Gdansk, 80-280, Poland
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Allcutis Research, Llc
Portsmouth, New Hampshire, 03801, United States
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Alpha Research-Lucere Dermatology and Laser Clinic
Edmonton, Alberta, T6X 0N9, Canada
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Aoi Dermatology Clinic
Kumamoto, 861-2236, Japan
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Area Sanitaria de Santiago de Compostela Y Barbanza - Complejo Hospitalario Universitario de Santiag
Santiago de Compostela, 15706, Spain
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Az Sint-Jan Brugge Av
Bruges, 08000, Belgium
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Broadgreen Hospital - Liverpool University Hospitals Nhs Foundation Trust
Liverpool, L14 3LB, United Kingdom
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Care Clinic Sp. Z O.O.
Katowice, 40-568, Poland
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Center For Clinical and Cosmetic Research
Aventura, Florida, 33180, United States
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Central Japan International Medical Center
Minokamo, 505-8510, Japan
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Central Sooner Research
Oklahoma City, Oklahoma, 73118, United States
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Centre Hospitalier Universitaire (Chu) de Liege - Domaine Universitaire Du Sart Tilman
Liège, 04000, Belgium
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Centre de Recherche Saint-Louis
Québec, Quebec, G1W 4R4, Canada
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Centro Internacional de Estudios Clinicos
Santiago, 8420383, Chile
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Centro Medico Skinmed Limitada
Santiago, 7580206, Chile
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Cityclinic Przychodnia Lekarsko-Psychologiczna Matusiak Spolka Partnerska
Wroclaw, 50566, Poland
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Clinical Research Center Spolka Z Ograniczona Odpowiedzialnoscia Medic-R Spolka Komandytowa
Poznan, 61-731, Poland
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Clinical Research Chile Spa.
Valdivia, 5090000, Chile
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Clinical Science Institute Clinical Research Specialists Inc
Santa Monica, California, 90404, United States
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Clintrial S.R.O.
Prague, 100 00, Czechia
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Dermatologische Gemeinschaftspraxis Dres. Quist
Mainz, 55128, Germany
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Dermatology Associates Pc
Rockville, Maryland, 20850, United States
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Dermatology Specialists Research
Louisville, Kentucky, 40241, United States
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Dermeffects
London, Ontario, N6H 5L5, Canada
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Dermoklinika Centrum Medyczne S.C., M. Kierstan, J. Narbutt, A. Lesiak
Lodz, 90-436, Poland
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Direct Helpers Research Center
Hialeah, Florida, 33012, United States
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Dokkyo Medical University Saitama Medical Center
Minamikoshigaya, 343-8555, Japan
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Drk Krankenhaus Chemnitz-Rabenstein
Chemnitz, 09117, Germany
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Elbe Kliniken Buxtehude
Buxtehude, 21614, Germany
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First Oc Dermatology Research Inc
Fountain Valley, California, 92708-3701, United States
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Fivenson Dermatology
Ann Arbor, Michigan, 48103, United States
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Fremantle Dermatology
Fremantle, 06160, Australia
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Grand Hopital de Charleroi - Site Imtr
Gilly, 06060, Belgium
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Guy'S Hospital - Guy'S & St Thomas' Nhs Foundation Trust
London, SE1 9RT, United Kingdom
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Hautarztpraxis Dr. Hoffmann
Witten, 58453, Germany
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Henry Ford Health System
Detroit, Michigan, 48202, United States
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High-Med. Przychodnia Specjalistyczna
Warsaw, 01-817, Poland
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Hospital Clinico Universitario San Cecilio
Granada, 18016, Spain
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Hospital General Universitario Dr Balmis
Alicante, 03010, Spain
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Hospital Universitari Germans Trias I Pujol (Hugtp)
Badalona, 08916, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario La Paz
Madrid, 28046, Spain
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Hospital Universitario Puerta de Hierro de Majadahonda
Majadahonda, 28222, Spain
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Hospital Universitario Ramon Y Cajal
Madrid, 28034, Spain
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Hospital Universitario Reina Sofia
Córdoba, 14004, Spain
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Hospital Universitario Virgen Del Rocio
Seville, 41013, Spain
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Hospital de La Santa Creu I Sant Pau
Barcelona, 08041, Spain
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Hospital de Manises
Manises, 46940, Spain
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Investigate Md
Scottsdale, Arizona, 85255, United States
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Ipswich Hospital, East Suffolk and North Essex Nhs Foundation Trust
Ipswich, IP4 5PD, United Kingdom
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Klinikum Darmstadt
Darmstadt, 64283, Germany
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Klinikum Der Johann Wolfgang Goethe-Universitaet
Frankfurt am Main, 60590, Germany
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Klinikum Oldenburg Aor
Oldenburg, 26133, Germany
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Kume Derma Clinic
Sakai, 593-8324, Japan
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Luxderm Specjalistyczny Gabinet Dermatologiczny Prof. Dr. Hab. N. Med. Dorota Krasowska
Lublin, 20-573, Poland
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Magdeburger Company For Medical Studies and Services Gmbh
Magdeburg, 39104, Germany
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Medical Corporation Jun Dermatology Clinic
Osaka, 558-0003, Japan
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Medical Dermatology Specialists Phoenix
Phoenix, Arizona, 85006, United States
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Metro Boston Clinical Partners
Brighton, Massachusetts, 02135-3511, United States
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Michigan Dermatology Institute
Waterford, Michigan, 48328, United States
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Mics Centrum Medyczne Torun
Torun, 87-100, Poland
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Modern Research Associates Pllc
Dallas, Texas, 75231, United States
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National Defense Medical College Hospital
Tokorozawa, 359-0042, Japan
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Niigata University Medical & Dental Hospital
Niigata, 951-8520, Japan
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Nippon Medical School Musashikosugi Hospital
Kawasaki-shi, 211-8533, Japan
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Nodal Medical Center, Llc
Tampa, Florida, 33607, United States
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Noguchi Dermatology Clinic
Kamimashiki-gun, 861-3101, Japan
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Nomura Dermatology Clinic
Yokohama, 221-0825, Japan
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North York Research Inc.
Toronto, Ontario, M2N 3A6, Canada
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Novatrials
Charlestown, New South Wales, 02290, Australia
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OPTISKIN
New York, New York, 10128, United States
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Paddington Testing Co Inc
Philadelphia, Pennsylvania, 19103, United States
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Panstwowy Instytut Medyczny Mswia
Warsaw, 02-507, Poland
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Poole Hospital - University Hospitals Dorset Nhs Foundation Trust
Poole, BH15 2JB, United Kingdom
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Premier Specialists Pty Ltd
Kogarah, New South Wales, 02217, Australia
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Queen'S Square Medical Facilities
Yokohama, 220-6208, Japan
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Rosenpark Research Gmbh
Darmstadt, 64283, Germany
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Royalderm Agnieszka Nawrocka
Warsaw, 02-692, Poland
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Sanatorium Profesora Arenbergera
Prague, 110 00, Czechia
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Sanixtra Prague
Prague, 158 00, Czechia
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Santa Familia Ptg Lodz
Lodz, 90-302, Poland
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Sapporo Skin Clinic
Sapporo, 600063, Japan
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Schweiger Dermatology
Boca Raton, Florida, 33428, United States
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Schweiger Dermatology
Hackensack, New Jersey, 07601, United States
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Shimizu Dermatology Clinic
Kobe, 657-0846, Japan
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Simcoderm Medical and Surgical Dermatology Centre
Barrie, Ontario, L4M 7G1, Canada
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Skin & Cancer Foundation Australia
Sydney, New South Wales, 02010, Australia
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Skin Care Research, Llc
Hollywood, Florida, 33201, United States
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Skin Physicians
Edmonton, Alberta, T6W 4V4, Canada
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Skinsense Medical Research
Saskatoon, Saskatchewan, S7K 2C1, Canada
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Surrey and Sussex Healthcare Nhs Trust - East Surrey Hospital
Redhill, United Kingdom
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Tanpopo Dermatology Clinic
Ōta-ku, 143-0023, Japan
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Technischen Universitaet Muenchen
München, 80802, Germany
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The Alfred Hospital
Melbourne, Victoria, 03004, Australia
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The Dudley Group Nhs Foundation Trust
Dudley, DY1 2HQ, United Kingdom
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The Royal London Hospital - Barts Health Nhs Trust
London, E1 1FR, United Kingdom
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Tohoku University Hospital
Sendai, 980-8574, Japan
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Tokyo Medical University Hospital
Shinjuku-ku, 160-0023, Japan
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Tokyo Medical University Ibaraki Medical Center - Kasumigaura Campus (Tokyo Medical University Kasum
Inashiki-gun, Japan
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Tokyo Medical and Dental University Hospital, Faculty of Medicine
Bunkyō City, 113-8519, Japan
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Toronto Research Centre
Toronto, Ontario, M3H 5Y8, Canada
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Trueblue Clinical Research Moore Clinical Research, Inc McR Tampa Clinic Location
Tampa, Florida, 33609, United States
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Universitaetsmedizin Goettingen
Göttingen, 37075, Germany
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Universitair Ziekenhuis Gent (Uz Gent)
Ghent, 09000, Belgium
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Universitat de Valencia - Hospital Universitari I Politecnic La Fe de Valencia (Hospital La Fe Bulev
Valencia, 46026, Spain
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Universite Catholique de Louvain (Ucl) - Cliniques Universitaires Saint-Luc
Woluwe-Saint-Lambert, 01200, Belgium
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University Hospital Carl Gustav Carus
Dresden, 01307, Germany
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University Hospital Muenster
Münster, 48149, Germany
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University Hospital Rwth Aachen
Aachen, 52074, Germany
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University of Cincinnati Cancer Institute
Cincinnati, Ohio, 45267, United States
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University of Maryland School of Medicine
Baltimore, Maryland, 21201, United States
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University of Occupational and Environmental Health, Japan
Kitakyushu, 807-8555, Japan
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University of Utah Midvalley Dermatology
Murray, Utah, 84107, United States
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Uniwersytecki Szpital Kliniczny Im. Fryderyka Chopina W Rzeszowie
Rzeszów, 35-055, Poland
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Veracity Clinical Research Pty Ltd
Woolloongabba, Queensland, 04102, Australia
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Westmead Hospital
Westmead, New South Wales, 02145, Australia
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Yardley Dermatology Associates
Yardley, Pennsylvania, 19067, United States
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Ziaderm Research, Llc
Miami, Florida, 33162, United States
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Other studies related to the condition(s) this trial covers.
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