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Priya Life Science Clinical trial register
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Clinical trial register · Japan

Clinical Trials in Onna, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Japan and is open, about to open, active-but-closed, or enrolling by invitation. Filter it, cite it, and take it away as a file.

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Source: ClinicalTrials.gov, U.S. National Library of Medicine. Complete coverage — all 2516 matching records held by the registry are in this view. Synced 12 Nov 2026, 03:19 UTC
2516
Studies in scope
all four open statuses
1285
Recruiting now
open to new participants
352
Lead sponsors
across recruiting studies
Top sites
Fukuoka 557 Nagoya 513 Sapporo 400 Tokyo 375 Osaka 354
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Recruitment status
Phase
Target enrolment
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Trials with a site in Onna

1 of 2516 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Japan
Start
Recruiting
Okinawa Institute of Science and Technology Graduate University
Not applicable
250
Onna
2025-10-04
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1
Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Japanese investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 12 November 2026. https://priyalifescience.com/clinical-trials-japan/city/onna

Query this register directly
GET /api/trials?country=in&status=recruiting&format=json Try it now →

About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every study on the registry that lists at least one investigative site in Japan and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 2,516 studies in total at the last sync on 12 Nov 2026, 03:19 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 1 of those studies with a site in Onna.

How many clinical trials are recruiting in Onna?

1 of the 1 studies on this page are recruiting new participants as of the 12 Nov 2026, 03:19 UTC sync. A further 0 have not yet opened recruitment, 0 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Onna), 1 studies
PhaseStudiesRecruitingShare
Not applicable11100%

Most active sponsors

Lead sponsors with the most studies (Onna)
Lead sponsorStudiesRecruiting
Okinawa Institute of Science and Technology Graduate University11
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Other trial registries in Japan

This register lists Japan studies from ClinicalTrials.gov. Many studies in Japan are registered only in a national registry. We do not copy those records; search them directly:

  • jRCT (Japan Registry of Clinical Trials) — run by the Ministry of Health, Labour and Welfare; trials under Japan's Clinical Trials Act and other clinical research
  • UMIN-CTR — run by the University of Tokyo Hospital's UMIN Center; many academic and investigator-led studies
Listing here is informational and not medical advice; eligibility is determined by each study team. See also the Ireland, UK, EU, USA and China registers.