Please assess the completion status of the following clinical trial:

Trial Title: Anesthetic Blockades and Migraine

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

Eligibility Criteria:
Inclusion Criteria:~* Chronic migraine~Exclusion Criteria:~* Other primary headaches~* Other secondary headaches~* Co-morbid medical diseases

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Anesthetic blockades with bupivacaine (Type: EXPERIMENTAL): Patients will receive a bilateral greater occipital nerve blockade with bupivacaine 0,5%
- Isotonic saline injection (Type: PLACEBO_COMPARATOR): Patients will receive a bilateral occipital injection with isotonic saline

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