UMIN-ICDS Clinical Trial
| Unique ID issued by UMIN | UMIN000063403 |
|---|---|
| Receipt number | R000072568 |
| Scientific Title | A multi-institutional retrospective study on the clinicopathological characteristics and prognosis of uterine mesonephric-like adenocarcinoma in Japan |
| Date of disclosure of the study information | 2026/10/25 |
| Last modified on | 2026/10/24 22:12:15 |
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Basic information
Public title
A multi-institutional retrospective study on the clinicopathological characteristics and prognosis of uterine mesonephric-like adenocarcinoma in Japan
Acronym
JGOG2058s
Scientific Title
A multi-institutional retrospective study on the clinicopathological characteristics and prognosis of uterine mesonephric-like adenocarcinoma in Japan
Scientific Title:Acronym
JGOG2058s
Region
| Japan |
Condition
Condition
Endometrial cancer
Classification by specialty
| Obstetrics and Gynecology |
Classification by malignancy
Malignancy
Genomic information
NO
Objectives
Narrative objectives1
Elucidation of the clinicopathological characteristics and oncological prognosis of uterine mesonephric-like adenocarcinoma in Japan.
Basic objectives2
Others
Basic objectives -Others
Elucidation of clinicopathological characteristics, real-world outcomes, and prognostic factors in rare cancers (Retrospective observational study).
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Progression-free survival
Key secondary outcomes
Overall survival; objective response rate and disease control rate in chemotherapy-treated patients; distribution of disease stages; details of adjuvant therapy after surgery; concordance rate between pathological diagnoses at each research institution and central pathological diagnoses, etc.
Base
Study type
Observational
Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| Not applicable |
Age-upper limit
| Not applicable |
Gender
Female
Key inclusion criteria
(1) Patients whose initial treatment began between January 1, 1990, and September 30, 2026.
(2) Patients pathologically diagnosed with uterine mesonephric-like adenocarcinoma at each facility (regardless of whether a hysterectomy was performed).
Key exclusion criteria
Patients meeting any of the following criteria will be excluded.
(1) Patients for whom the slides or formalin-fixed paraffin-embedded blocks used for pathological diagnosis are not preserved, making central pathological diagnosis difficult.
(2) Patients whom the principal investigator or co-investigator deems ineligible for registration in this study.
Target sample size
120
Research contact person
Name of lead principal investigator
| 1st name | Yoshikazu |
| Middle name | |
| Last name | Nagase |
Organization
The University of Osaka Graduate School of Medicine
Division name
Department of Obstetrics and Gynecology
Zip code
565-0871
Address
2-2 Yamadaoka, Suita, Osaka
TEL
06-6879-3351
ynagase@gyne.med.osaka-u.ac.jp
Public contact
Name of contact person
| 1st name | Yoshikazu |
| Middle name | |
| Last name | Nagase |
Organization
The University of Osaka Graduate School of Medicine
Division name
Department of Obstetrics and Gynecology
Zip code
565-0871
Address
2-2 Yamadaoka, Suita, Osaka
TEL
06-6879-3351
Homepage URL
https://jgog.gr.jp/
ynagase@gyne.med.osaka-u.ac.jp
Sponsor or person
Institute
Japanese Gynecologic Oncology Group
Institute
Department
Personal name
Funding Source
Organization
Japan Society for the Promotion of Science
Organization
Division
Category of Funding Organization
Japanese Governmental office
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Japanese Gynecologic Oncology Group
Address
4F, Komatsu Building, 6-22, Kagurazaka, Shinjuku-ku, Tokyo, JAPAN
Tel
03-5206-1982
info@jgog.gr.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 10 | Month | 25 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Preinitiation
Date of protocol fixation
| 2026 | Year | 10 | Month | 20 | Day |
Date of IRB
Anticipated trial start date
| 2027 | Year | 01 | Month | 04 | Day |
Last follow-up date
| 2030 | Year | 12 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Clinicopathological characteristics and oncological prognosis of uterine mesonephric-like adenocarcinoma
Management information
Registered date
| 2026 | Year | 10 | Month | 24 | Day |
Last modified on
| 2026 | Year | 10 | Month | 24 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072568
