Please assess the completion status of the following clinical trial:

Trial Title: Treatment of Abdominal Distension by Biofeedback - a Randomized Controlled Trial

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:
Inclusion Criteria: episodes of visible abdominal distension triggered by meal ingestion~Exclusion Criteria: organic cause detected by clinical work-up

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

Study Arms:
- Biofeedback (Type: ACTIVE_COMPARATOR): Patients will be taught to control abdominal and diaphragmatic muscles by bio-feedback using EMG recordings.
- Placebo medication (Type: PLACEBO_COMPARATOR): Electromyography will be recorded but not shown to the patients. Patients will take a pill of placebo.

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