Please assess the completion status of the following clinical trial:

Trial Title: Long-term Effect of Low Frequency Stimulation on Aspiration and Freezing of Gait in PD With STN DBS

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

Eligibility Criteria:
Inclusion Criteria:~* PD patients with bilateral STN DBS placement and FOG at 130Hz even at usual medication on state.~Exclusion Criteria:~* Known history of recent aspiration pneumonia

- Gender: ALL
- Minimum Age: 45 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- Deep Brain Stimulation (DBS) (Type: EXPERIMENTAL): All patients were treated and assessed under three conditions (60 Hz DBS, 130 Hz DBS and no DBS) at Visit 1 (V1), were then treated with 60 Hz DBS for at least 6 months (14.5 months on average), and were finally reassessed during a second visit (V2) under the same three conditions as V1. The order of treatment/assessment under the three conditions was randomized at each visit.

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