Please assess the completion status of the following clinical trial:

Trial Title: Chronic Evaluation of Respicardia Therapy

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Candidate is at least 18 years old~* Candidates with known recent history of Periodic Breathing, as evidenced by an overnight polysomnogram (PSG) within 60 days of the implant procedure demonstrating:~  * Apnea-Hypopnea Index (AHI) greater than or equal to 20 events/hr~ * Predominantly central origin (central apnea events comprise 50% or more of all apnea events)~ * Limited obstructive events (obstructive apneas comprise less than 20% of the AHI)~Exclusion Criteria:~* Candidates who are pregnant~* Candidates with baseline oxygen saturation less than or equal to 90% on a stable FiO2~* Candidates with severe COPD~* Candidates with a history of cerebrovascular accident (CVA), myocardial infarction, coronary artery bypass grafting (CABG) surgery, or percutaneous coronary intervention (PCI) within the 3 months prior to the study~* Candidates with unstable angina~* Candidates with history of primary pulmonary hypertension

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Treatment (Type: EXPERIMENTAL): All enrolled subjects will undergo attempted system implantation and therapeutic assessment. Subjects' baseline assessment values will serve as control parameters for the therapy evaluation.

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