sarcoma, hyperbaric oxygen, preoperative radiotherapy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Patients ¡Ý 18 years old - Tumor size of > 5 cm. - Primary tumour site: extremity, trunk, groin, (excluding intra-abdominal and retroperitoneal sarcomas) - WHO performance status ¡Ü 2 - Written informed consent - Absence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial. - Every patient has been discussed in the local tumor board. - A MRI scan of the tumor not older than 6 weeks. -CT thorax not older than 6 weeks. - a resectable tumor according to the surgeon
Exclusion criteria
Exclusion criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study: - Other malignancy with a life expectancy of less than 2 years. - Prior radiotherapy to the local site - Presence of metastases - Chemotherapy needed for this sarcoma - Patients with contraindications for hyperbaric oxygen therapy: Pneumothorax, TBC, COPD Gold IV, bullae, myocardial infarction, EF 30%, serious cardiac valve problems, acute ischaemic CVA, unstable epilepsy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary objective will be the number, size and features of postoperative wound complications during the first 4 months after surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| - the acute toxicity during radiotherapy with HBOT according to the to the Common Terminology Crtiteria for Adverse Events 4 (CTC-AE4). - the tumor response will also be evaluated with a MRI 2 weeks before the surgery according to the RECIST criteria. - the percentage of necrosis in the pathology specimen. | — |