Please assess the completion status of the following clinical trial:

Trial Title: Image Guided Reirradiation of High-grade Glioma

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1/PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* recurrent high-grade glioma~* previous focal radiotherapy for high-grade glioma~* no standard treatment options available/indicated~* ECOG (Eastern Cooperative Oncology Group) performance status 0 or 1 or 2~* life expectancy \> 3 months~* hemoglobin value \> 6 mmol/l (transfusion permitted)~* able to understand oral and written Danish~Exclusion Criteria:~* disseminated recurrent disease~* infection or wound dehiscence or other pathological condition in meninges/skull/scalp~* symptoms of elevated intracranial pressure~* very early recurrence following primary radiotherapy (\< or equal to 3 months)~* contraindications to magnetic resonance imaging (MRI) or positron emission tomography (PET)~* other previous radiotherapy to the brain than primary course of irradiation

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

Study Arms:
- External beam radiotherapy (Type: EXPERIMENTAL): Hypofractionated external beam radiation delivered in 4 different sequential dose/fractionation groups.

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