Please assess the completion status of the following clinical trial:

Trial Title: Effect of Dalfampridine in Patients With Hereditary Spastic Paraplegia

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of Hereditary Spastic Paraplegia at least 1 year ago~Exclusion Criteria:~* Having another neurological disorder~* An orthopedic deformity in the lower extremity~* Having a serious cognitive impairment

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

Study Arms:
- Medication (Type: EXPERIMENTAL): Dalfampridine plus physiotherapy
- No Medication (Type: PLACEBO_COMPARATOR): Placebo plus physiotherapy

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