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A nationwide retrospective study to clarify the adequate treatment strategy for pancreatic cancer with positive peritoneal cytology

A nationwide retrospective study to clarify the adequate treatment strategy for pancreatic cancer with positive peritoneal cytology - A nationwide retrospective study to clarify the adequate treatment strategy for pancreatic cancer with positive peritoneal cytology

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000048808
Enrollment
766
Registered
2023-01-01
Start date
2023-01-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pancreatic cancer

Interventions

None listed

Sponsors

Tohoku University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Disease name: Pancreatic adenocarcinoma (Cases diagnosed histologically or cytologically as pancreatic adenocarcinoma. Class IV is included in cytological diagnosis) (2) Stage: Patients diagnosed with resectable pancreatic cancer or borderline resectable pancreatic cancer by imaging diagnosis at the time of initial diagnosis and indicated for resection or anticancer drug treatment. (3) Patients with positive cytological diagnosis by abdominal cavity washing: Patients who were diagnosed as Class IV or V equivalent by Papanicolaou classification. (4) Patients must be at least 20 years of age (at the time of CY1 diagnosis).

Exclusion criteria

Exclusion criteria: (1) Patients who have not been diagnosed as pancreatic adenocarcinoma histologically or cytologically (2) Patients diagnosed with distant metastasis by various imaging tests (3) Patients with active multiple cancers (synchronous multiple cancers and heterochronic multiple cancers with a disease-free period of 5 years or less) at the time of CY1 diagnosis (4) Patients diagnosed with Papanicolaou classification Class III or lower by laparoscopic cytology. (5) Other cases that the investigator(s) deems inappropriate for this study.

Design outcomes

Primary

MeasureTime frame
Prognostic comparison between surgical resection and non-surgical treatment for CY1 pancreatic cancer

Countries

Japan

Contacts

Public ContactKyohei Ariake

Sendai Open Hospital Department of Surgery

ariake@surg.med.tohoku.ac.jp022-252-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026