Please assess the completion status of the following clinical trial:

Trial Title: Bilateral Pallidal Stimulation in Patients With Advanced Parkinson's Disease-LATESTIM

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

Eligibility Criteria:
Inclusion Criteria:~* Parkinson's disease according to the UKBB criteria, with the exception that familial forms of otherwise typical parkinsonian syndromes may also be included~* motor complications of dopaminergic medication (dyskinesia or motor fluctuations or both) that are at least moderately bothersome to the patient \[on a scale of 5 possible levels: not at all / mildly / moderately / severely / extremely bothersome\]~* Presence of at least one of the following absolute exclusion criteria for STN stimulation:~  * Mattis dementia rating scale \<130 points~ * postural instability of \>1 in the item of MDS-UPDRS III \[item #12\] on medication~ * less than 30% improvement of axial score in the acute levodopa challenge test \[axial score =sum of items 3.1, 3.9, 3.10, 3.12, 3.13 of the MDS UPDRS III\]~* or presence of at least two of the following relative exclusion criteria for STN stimulation:~  * age \> 70 years~ * Mattis dementia rating scale \<134 points~ * gait freezing on medication~ * dysarthria of \> 2 in the item of the MDS-UPDRS III \[item #3.1\]~ * less than 50% improvement of axial score in the acute levodopa challenge test \[axial score = sum of items 3.1, 3.9, 3.10, 3.12, 3.13 of the MDS UPDRS III\]~ * Starkstein apathy score of ≥14~* Complete baseline PDQ-39-SI and patient diary available~* written informed consent~Exclusion Criteria:~* Age \> 85 years~* surgical or medical contraindications~* abnormalities on brain MRI that preclude the implantation of electrodes into the GPi~* contraindication for 3T MRI (baseline imaging)~* severe medical illness that is likely to hamper the benefit of DBS~* severe personality disorder that may interfere with optimization of DBS~* dementia according to DSM-V and MMSE \< 20~* ongoing psychosis (except pseudohallucinations)~* ongoing major depression (BDI-II \> 23) or depression of any severity with suicidal ideation

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- GPi DBS and best medical treatment (Type: EXPERIMENTAL): None
- Best medical treatment (Type: ACTIVE_COMPARATOR): None

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