Please assess the completion status of the following clinical trial:

Trial Title: A Study of the Efficacy and Safety of Topiramate as Add on Treatment in Epilepsy Patients With Primary Generalized Tonic-clonic Seizures

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:~* Body weight \>25 kilograms (55 pounds)~* diagnosis of primary generalized epilepsy~* must have primary generalized tonic-clonic (PGTC) seizures treated with 1 or 2 antiepileptic drugs~* must have three primary generalized tonic-clonic (PGTC) seizures during baseline period, with at least 1 during each 28-day period of baseline~* females must not have had their first menstrual period or be postmenopausal, or are physically incapable of child bearing, or if of child bearing potential, sexually abstinent, or using adequate birth control measures, and have a negative pregnancy test before study entry.~Exclusion Criteria:~* Patients who do not have epilepsy, such as those with a treatable cause of seizure (for example active infection or cancer)~* patients with progressive disorders (for example, active infection, cancer or metabolic disturbance)~* patients diagnosed with Lennox-Gastaut syndrome~* history of seizures occurring in only cluster patterns (numerous seizures occurring over a short period of time \[\<30 minutes\])~* documented history (previous 3 months) of generalized tonic-clonic status epilepticus (status epilepticus is a prolonged seizure or seizures repeated frequently over 20 to 30 minutes so that recovery between episodes does not occur) while receiving appropriate antiepileptic medication

- Gender: ALL
- Minimum Age: 4 Years
- Maximum Age: None
- Healthy Volunteers: f

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