Please assess the completion status of the following clinical trial:

Trial Title: Thalamic Deep Brain Stimulation for Spasmodic Dysphonia- DEBUSSY Trial

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

Eligibility Criteria:
Inclusion Criteria:~* Clinically diagnosed isolated laryngeal dystonia (adductor spasmodic dysphonia)~* Able to give informed consent~* Patients who fall into the age range of 18-75 years old~* Patients with inadequate medical and BTX management of spasmodic dysphonia~Exclusion Criteria:~* Dystonia present in other body parts (i.e- eyes, neck, limbs) in addition to larynx~* History of laryngeal denervation surgery for spasmodic dysphonia~* History of intracranial pathology (such as multiple sclerosis, tumors, or aneurysms) that may account for dystonia or essential tremor.~* History or evidence of ongoing psychiatric or neurodegenerative disorders (such as Parkinson's disease, Alzheimer's disease).~* Incompetent adults or those unable to communicate.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- DBS-on (Type: EXPERIMENTAL): Ventral intermediate Nucleus (VIM) Thalamic DBS on~DBS system includes:~* Implantable Pulse Generator (IPG)~* DBS Lead~* DBS Lead Extension Kit
- DBS-off (sham-stimulation) (Type: SHAM_COMPARATOR): Ventral intermediate Nucleus (VIM) Thalamic DBS off~DBS system includes:~* Implantable Pulse Generator (IPG)~* DBS Lead~* DBS Lead Extension Kit

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