Please assess the completion status of the following clinical trial:

Trial Title: An Evaluation of the Medtronic Gatekeeper System in the Treatment of SUBJECTS With Gastroesophageal Reflux Disease (GERD)

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

Eligibility Criteria:
Diagnosis and main criteria for inclusion:~* Subjects diagnosed with GERD with symptomatic improvement on PPIs.~* Subjects who have demonstrated a baseline 24 Hour pH ≥ 4% time with pH ≤ 4.0.~* Subjects with a baseline GERD-HRQL heartburn score of ≤11 on PPI and ≥ 20 off PPI.~Diagnosis and main criteria for exclusion:~* Extensive Barrett's Esophagus (\> 2 cm).~* Esophagitis (LA Classification Grades C or D).~* Previous history of gastroesophageal surgery, anti-reflux procedures, or gastroesophageal or gastric cancer.~* Large hiatal hernia (\> 3 cm).~* Current complaints of clinical dysphagia evidenced by greater than one occurrence per month.~* Esophageal strictures~* Esophageal or gastric varices

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

Study Arms:
- Sham (Type: SHAM_COMPARATOR): This arm of the study has the procedure but does not get the Gatekeeper prostheses. The Sham arm has the option to cross-over to the Treatment arm at the 6-month visit.
- Treatment (Type: ACTIVE_COMPARATOR): The treatment arm has the Gatekeeper devices implanted.

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