Impact of Perioperative Allogenic Bloodtransfusions on Recurrence and Metastasis Rates in Patients with surgically treated Oral Squamous Cell Carcinoma.

• Conditions: C00-C14; C31; Malignant neoplasms of lip, oral cavity and pharynx; Malignant neoplasm of accessory sinuses

• Registration Number: DRKS00008576
• Lead Sponsor: niklinik Freiburg Klinik für MKG Chirurgie

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2015-05-26
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 472

Inclusion Criteria

primary surgical treatment from January 1st 2000 to June 30th 2014 in patients with primary OSCC

Exclusion Criteria

malignancies other than OSCC, extraoral location of tumor, primary non-surgical therapy (radio-chemotherapy), secondary OSCC or CUP syndrome

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Time to recurrence or distant metastasis.

Secondary Outcome Measures

Name	Time	Method
Rate of allogenic blood transfusions in recurrence and mortality.