Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Hyperbaric Oxygen Therapy in the Treatment of Osteoradionecrosis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Informed consent~* Age ≥ 18 jr~* WHO performance status 0-2~* Last radiation treatment ≥ 6 month ago radiotherapy with curative intention and \> 55 Gy. The affected part of the jaw must be in the target volume area of the radiotherapy field.~* Local recurrence must be ruled out~* Necrosis of the jaw with at least one of the following symptoms for over 3 month present:~  * Bone exposition which measures at least 1 cm~ * Evident bone lesions at radiologic evaluation (panorex) that fits the diagnosis ORN.~ * Non-healing extraction socket~Exclusion Criteria:~* Former HBO treatment~* Contra indication for HBO treatment (pneumothorax)~* Bisphosphonate treatment in the medical history~* reirradiation in the medical history~* Osteosynthesis material in the affected area~* Distant metastasis~* Primary or recurrent tumor in the affected area~* Malignancies elsewhere

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Surgery (Type: NO_INTERVENTION): This is the standard arm. Surgery without hyperbaric oxygen treatment
- Hyperbaric oxygen therapy with surgery (Type: EXPERIMENTAL): Intervention arm. Hyperbaric oxygen therapy with surgery.

Based on this trial design, predict the completion outcome and termination type (if applicable).