Clinical Trials in Chūōku, 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 2472 matching records held by the registry are in this view. Synced 26 Sep 2026, 19:48 UTC

2472

Studies in scope

all four open statuses

1255

Recruiting now

open to new participants

347

Lead sponsors

across recruiting studies

Top sites

Fukuoka 550 Nagoya 510 Sapporo 402 Tokyo 363 Osaka 345

Trials with a site in Chūōku

Status

Study

Lead sponsor

Phase

Enrol

Sites in Japan

Start

Active, closed

Olaparib Maintenance Monotherapy in Patients With BRCA Mutated Ovarian Cancer Following First Line Platinum Based Chemotherapy.

NCT01844986Newly Diagnosed, Advanced Ovarian Cancer, FIGO Stage III-IV, BRCA Mutation

DrugOlaparib

AstraZeneca

Phase 3

450

Akashi-shi, Chūōku, Fukuoka, Hidaka-shi, Matsuyama, Niigata, Sapporo, Sunto-gun

2013-08-26

Active, closed

Study to Compare the Efficacy and Safety of Olaparib When Given in Combination With Carboplatin and Paclitaxel, Compared With Carboplatin and Paclitaxel in Patients With Advanced Ovarian Cancer

NCT01081951Ovarian Cancer

DrugsTaxol·Olaparib·Paclitaxel·Carboplatin

AstraZeneca

Phase 2

162

Chūōku, Fukuoka, Matsuyama, Morioka, Shinjuku-ku, Yamagata, Yonago-shi

2010-02-04

Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Japanese investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 28 September 2026. https://priyalifescience.com/clinical-trials-japan/city/ch-ku?page=3

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: 2,472 studies in total at the last sync on 26 Sep 2026, 19:48 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 202 of those studies with a site in Chūōku.

How many clinical trials are recruiting in Chūōku?

94 of the 202 studies on this page are recruiting new participants as of the 26 Sep 2026, 19:48 UTC sync. A further 0 have not yet opened recruitment, 108 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

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.