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
Sites (39)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Akita University Hospital Coordinator of this site? Confirm its status | Akita | Japan | Unknown status |
| Juntendo University Hospital Coordinator of this site? Confirm its status | Bunkyō City | Japan | Unknown status |
| Kyushu University Hospital Coordinator of this site? Confirm its status | Fukuoka | Japan | Unknown status |
| Fukushima Medical University Hospital Coordinator of this site? Confirm its status | Fukushima | Japan | Unknown status |
| Hamamatsu University Hospital Coordinator of this site? Confirm its status | Hamamatsu | Japan | Unknown status |
| Kansai Medical University Hospital Coordinator of this site? Confirm its status | Hirakata | Japan | Unknown status |
| Seiwakai Hiroshima Clinic Coordinator of this site? Confirm its status | Hiroshima | Japan | Unknown status |
| Hiroshima City Asa Citizens Hospital Coordinator of this site? Confirm its status | Hiroshima | Japan | Unknown status |
| JR Sapporo Hospital Coordinator of this site? Confirm its status | Hokkaido | Japan | Unknown status |
| Kita-harima Medical Center Coordinator of this site? Confirm its status | Hyōgo | Japan | Unknown status |
| Okayama Saiseikai General Hospital Coordinator of this site? Confirm its status | Kita-ku | Japan | Unknown status |
| Kochi Medical School Hospital Coordinator of this site? Confirm its status | Kochi | Japan | Unknown status |
| Chikamori Hospital Coordinator of this site? Confirm its status | Kochi | Japan | Unknown status |
| Yamanashi Prefectural Central Hospital Coordinator of this site? Confirm its status | Kofu | Japan | Unknown status |
| Kurashiki Medical Center Coordinator of this site? Confirm its status | Kurashiki-shi | Japan | Unknown status |
| Kurume University Hospital Coordinator of this site? Confirm its status | Kurume | Japan | Unknown status |
| Kuwana City Medical Center Coordinator of this site? Confirm its status | Kuwana | Japan | Unknown status |
| National Hospital Organization Kyoto Medical Center Coordinator of this site? Confirm its status | Kyoto | Japan | Unknown status |
| Kyoto University Hospital Coordinator of this site? Confirm its status | Kyoto | Japan | Unknown status |
| Shinshu University Hospital Coordinator of this site? Confirm its status | Matsumoto | Japan | Unknown status |
| Toho University Medical Center, Ohashi Hospital Coordinator of this site? Confirm its status | Meguro-ku | Japan | Unknown status |
| Nagoya City University Hospital Coordinator of this site? Confirm its status | Nagoya | Japan | Unknown status |
| The Hospital of Hyogo College of Medicine Coordinator of this site? Confirm its status | Nishinomiya | Japan | Unknown status |
| Oita University Hospital Coordinator of this site? Confirm its status | Ōita | Japan | Unknown status |
| Okayama University Hospital Coordinator of this site? Confirm its status | Okayama | Japan | Unknown status |
| Kindai University Hospital Coordinator of this site? Confirm its status | Ōsaka-sayama | Japan | Unknown status |
| Shiga University of Medical Science Hospital Coordinator of this site? Confirm its status | Ōtsu | Japan | Unknown status |
| Hokkaido University Hospital Coordinator of this site? Confirm its status | Sapporo | Japan | Unknown status |
| Sasebo Chuo Hospital Coordinator of this site? Confirm its status | Sasebo | Japan | Unknown status |
| Tohoku University Hospital Coordinator of this site? Confirm its status | Sendai | Japan | Unknown status |
| Keio University Hospital Coordinator of this site? Confirm its status | Shinjuku-ku | Japan | Unknown status |
| Teikyo University Hospital Coordinator of this site? Confirm its status | tabashi City | Japan | Unknown status |
| Takamatsu Red Cross Hospital Coordinator of this site? Confirm its status | Takamatsu | Japan | Unknown status |
| Tokyo Medical University Hachioji Medical Center Coordinator of this site? Confirm its status | Tokyo | Japan | Unknown status |
| St. Luke's International Hospital Coordinator of this site? Confirm its status | Tokyo | Japan | Unknown status |
| Tokyo Medical University Hospital Coordinator of this site? Confirm its status | Tokyo | Japan | Unknown status |
| Ehime University Hospital Coordinator of this site? Confirm its status | Tōon | Japan | Unknown status |
| Fujita Health University Hospital Coordinator of this site? Confirm its status | Toyoake | Japan | Unknown status |
| Yokosuka Kyosai Hospital Coordinator of this site? Confirm its status | Yokosuka | Japan | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.