Please assess the completion status of the following clinical trial:

Trial Title: A Study of the Efficacy and Safety of Topiramate in the Prevention of Migraine

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

Eligibility Criteria:
Inclusion Criteria:~* Medical history consistent with migraine with or without aura according to the International Headache Society (IHS) for at least 6 months prior to the study~* Between 3 to 12 migraine periods and no greater than 15 headache days (migraine and non-migraine) per month during the Baseline Phase~* No clinically significant abnormalities on neurological exams, electrocardiogram (ECG) or clinical laboratory test results at baseline~* Female patients must be postmenopausal for at least 1 year, surgically incapable of childbearing, practicing abstinence, or practicing an acceptable method of contraception (requires negative pregnancy test)~Exclusion Criteria:~* Patients with headaches other than migraine~* Patients with episodic tension or sinus headaches~* Onset of migraine after age of 50 years~* Patients who have failed more than two adequate regimens for migraine prophylaxis~* Patients who overuse pain medications or certain other medications

- Gender: ALL
- Minimum Age: 12 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

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