A Retrospective Observational Study on Overall Survival Rates by Chemotherapy Regimen in Patients with Distant Metastases Following Oral Cancer Treatment

A Retrospective Observational Study on Overall Survival Rates by Chemotherapy Regimen in Patients with Distant Metastases Following Oral Cancer Treatment - A Retrospective Observational Study on Overall Survival in Patients with Distant Metastasis

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000059755

Enrollment

Registered

2025-11-13

Start date

2025-11-13

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

Oral cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases treated for oral cancer at Nagasaki University Hospital's Department of Oral and Maxillofacial Surgery between June 1, 2008, and April 30, 2024, in which distant metastasis was identified, treatment for distant metastasis was administered, and the outcome is known.

Exclusion criteria

Exclusion criteria: Cases where medical records contain insufficient documentation, preventing adequate information gathering

Design outcomes

Primary

Measure	Time frame
Difference in survival rates between first-line drugs for distant metastasis (number of days from treatment initiation to last observation, with death as the event).	—

Countries

Japan

Contacts

Public ContactHiromasa Fukushima

Nagasaki University Hospital Oral surgery

hirofuku922@nagasaki-u.ac.jp095-819-7698

Outcome results