A retrospective study on the prognostic impact of previous dental surgery prior to initial treatment on gingival squamous cell carcinoma.

A retrospective observational study on the prognostic impact of previous dental surgery prior to initial treatment on gingival squamous cell carcinoma. - A retrospective observational study on the prognostic impact of previous dental surgery prior to initial treatment on gingival squamous cell carcinoma.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050809

Enrollment

134

Registered

2023-04-10

Start date

2023-04-10

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: Patients who received initial treatment for gingival squamous cell carcinoma according to NCCN guidelines in the Department of Oral Surgery, Nagasaki University Hospital between 1 April 2008 and 31 March 2021.

Exclusion criteria

Exclusion criteria: Cases where medical information records are poorly documented and insufficient information is available.

Design outcomes

Primary

Measure	Time frame
Difference in survival with and without previous dental surgery (days from treatment start date to death with death as the event).	—

Countries

Japan

Contacts

Public ContactTomofumi Naruse

Nagasaki university Department of Clinical Oral Oncology

naruse12@nagasaki-u.ac.jp+81958197698

Outcome results