Follow-up in oral squamous cell carcinoma – establishment of risk-adapted intervals

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00034500

Enrollment

800

Registered

2024-07-15

Start date

2024-11-01

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

C04.0

Interventions

Group 1: Occurrence of a recurrence/metastasis or a second carcinoma during tumor follow-up depending on various risk factors 1. Determination of disease free survival (DFS) into local recurrence, nod

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: -Histologically confirmed PEC of the oral cavity (including tongue and anterior palatine arch), (ICD C00.0 – C06.9) -Period 01.03.2018 – 31.03.2023 -Initial diagnosis of PEC

Exclusion criteria

Exclusion criteria: - Other tumor entities (e.g. salivary gland carcinomas, sarcomas, odontogenic tumors) - Recurrent carcinoma - Neoadjuvant pretreatment - M1 situation or inoperable situation - Tumor location outside the oral cavity - R1 – resected patients

Design outcomes

Primary

Measure	Time frame
Disease free survival (IDFS) depending on the frequency of clinical tumor follow-up and depending on the pathohistological tumor stage and other specific risk factors	—

Secondary

Measure	Time frame
- Initial R0 resection, intraoperative resection or resection in the second procedure to achieve an R0 resection - Age of the patient at the occurrence of the primary tumor and the first recurrence or second carcinoma	—

Countries

Germany

Contacts

Public ContactLei Li

Klinikum Oldenburg

kieferchirurgie@klinikum-oldenburg.de+494414032621

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026