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NCT04459507Completed

A Registry Study of Palmoplantar Pustulosis (PPP) Treatment Patterns, Disease Burden and Treatment Outcomes in Japan

Registry of Palmoplantar Pustulosis (PPP) Treatment Patterns, Disease Burden and Treatment Outcomes in Japan

Source: ClinicalTrials.gov · Last updated 10 Feb 2026

Brief summary (registry, in English)

The purpose of this study is to describe the treatment patterns of participants receiving systemic treatment for of palmoplantar pustulosis (PPP) in Japan.

Status (registry)
Completed
Study type
Observational
Enrollment
276 (actual)
First submitted
2 Jul 2020
Start date
22 Mar 2021
Primary completion date
27 Dec 2025
Lead sponsor
Janssen Pharmaceutical K.K.
NCT number
NCT04459507

What you commit to

  • Study type: Observational
  • Participants enrolled: 276
  • From 22 Mar 2021 to the primary completion date, 27 Dec 2025
  • 39 sites in 1 country
  • 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

  • Are receiving, or have received within the past 3 months, anti-inflammatory or analgesic systemic therapy such as oral corticosteroid, disease modifying antirheumatic drug (DMARDs), non-steroidal anti-inflammatory drugs, opioids, phosphodiesterase 4 (PDE4) inhibitor, or biologics for any other indication (for example, psoriasis, rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, and asthma)
  • Received an investigational drug (including investigational vaccines) or used an invasive investigational medical device within 3 months before the start of the study or the first data collection time point
  • If the only treatment they have received for PPP has been antibiotics

Other

  • Participation in an investigational study
  • Participation in another observational study for guselkumab (including a post marketing surveillance study)

Who the study is looking for

  • Must have a confirmed diagnosis of palmoplantar pustulosis (PPP) and/or pustulotic arthro-osteitis (PAO) in accordance with local clinical practice
  • Has previously been prescribed treatment for PPP/PAO
  • A decision has been made by the treating physician and the participant to commence treatment with a systemic PPP/PAO therapy, having been deemed to have an inadequate response to previous therapy (New users are defined as those participants to commence treatment on baseline visit date. Existing users are defined as those who commenced treatment prior to the baseline visit since 01 November 2019.)
  • Must sign a participation agreement/informed consent form allowing data collection and source data verification in accordance with local requirements

Age in the registry: 18 years to - · Sex: All

Full criteria on ClinicalTrials.gov

Sites (39)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Akita University Hospital
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AkitaJapanUnknown status
Juntendo University Hospital
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Bunkyō CityJapanUnknown status
Kyushu University Hospital
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FukuokaJapanUnknown status
Fukushima Medical University Hospital
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FukushimaJapanUnknown status
Hamamatsu University Hospital
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HamamatsuJapanUnknown status
Kansai Medical University Hospital
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HirakataJapanUnknown status
Seiwakai Hiroshima Clinic
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HiroshimaJapanUnknown status
Hiroshima City Asa Citizens Hospital
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HiroshimaJapanUnknown status
JR Sapporo Hospital
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HokkaidoJapanUnknown status
Kita-harima Medical Center
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HyōgoJapanUnknown status
Okayama Saiseikai General Hospital
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Kita-kuJapanUnknown status
Kochi Medical School Hospital
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KochiJapanUnknown status
Chikamori Hospital
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KochiJapanUnknown status
Yamanashi Prefectural Central Hospital
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KofuJapanUnknown status
Kurashiki Medical Center
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Kurashiki-shiJapanUnknown status
Kurume University Hospital
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KurumeJapanUnknown status
Kuwana City Medical Center
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KuwanaJapanUnknown status
National Hospital Organization Kyoto Medical Center
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KyotoJapanUnknown status
Kyoto University Hospital
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KyotoJapanUnknown status
Shinshu University Hospital
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MatsumotoJapanUnknown status
Toho University Medical Center, Ohashi Hospital
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Meguro-kuJapanUnknown status
Nagoya City University Hospital
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NagoyaJapanUnknown status
The Hospital of Hyogo College of Medicine
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NishinomiyaJapanUnknown status
Oita University Hospital
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ŌitaJapanUnknown status
Okayama University Hospital
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OkayamaJapanUnknown status
Kindai University Hospital
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Ōsaka-sayamaJapanUnknown status
Shiga University of Medical Science Hospital
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ŌtsuJapanUnknown status
Hokkaido University Hospital
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SapporoJapanUnknown status
Sasebo Chuo Hospital
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SaseboJapanUnknown status
Tohoku University Hospital
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SendaiJapanUnknown status
Keio University Hospital
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Shinjuku-kuJapanUnknown status
Teikyo University Hospital
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tabashi CityJapanUnknown status
Takamatsu Red Cross Hospital
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TakamatsuJapanUnknown status
Tokyo Medical University Hachioji Medical Center
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TokyoJapanUnknown status
St. Luke's International Hospital
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TokyoJapanUnknown status
Tokyo Medical University Hospital
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TokyoJapanUnknown status
Ehime University Hospital
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TōonJapanUnknown status
Fujita Health University Hospital
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ToyoakeJapanUnknown status
Yokosuka Kyosai Hospital
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YokosukaJapanUnknown status

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