Please assess the completion status of the following clinical trial:

Trial Title: The Best Dosage and Timing of Polyethylene Glycol for Bowel Preparation Before Capsule Endoscopy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE4
- Number of Arms: 5.0

Eligibility Criteria:
Inclusion Criteria:~* Patients aged between 18 and 75 years and referred to capsule endoscopy because of suspected small-bowel disease are prospectively eligible for entry into the study.~Exclusion Criteria:~* Age \< 18 or \> 75 years~* Known or suspected GI stricture or fistula~* A history of GI tract resection~* Swallowing disorders~* Intensive therapy with fasting and parenteral nutrition;with a disease that may reduce movement of the GI tract, such as diabetes mellitus~* Medications that could affect gastrointestinal movement within one week~* Implanted with a medical electronic device~* Active inflammatory bowel disease, toxic megacolon, toxic colitis~* Severe pulmonary, cardiac, renal, or hepatic disease~* Uncontrolled hypertension (systolic blood pressure\>170 mm Hg, diastolic blood pressure\>100 mm Hg);~* Disturbance of electrolytes~* Pregnancy or lactation~* Patients inability to provide written voluntary informed consent~* Participation in another clinical study

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

Study Arms:
- Group A (Type: ACTIVE_COMPARATOR): Fast for 12h before the examination and take 8ml of Simethicone Emulsion (Berlin-Chemie, Germany, containing 40 mg simethicone in 1mL emulsion) with 250ml water 30min before capsule ingestion.CE are performed with the Pillcam SB2 capsule endoscopy system (Given Imaging Co. Ltd., Yoqnem, Israel).
- Group B (Type: ACTIVE_COMPARATOR): the same as protocol A plus 1L Polyethylene glycol 11-12h before VCE. CE are performed with the Pillcam SB2 capsule endoscopy system.
- Group C (Type: ACTIVE_COMPARATOR): the same as protocol A plus 2L Polyethylene glycol 10-12h before VCE. CE are performed with the Pillcam SB2 capsule endoscopy system.
- Group D (Type: ACTIVE_COMPARATOR): Group D: the same as protocol A plus 1L Polyethylene glycol 3-4h before VCE. CE are performed with the Pillcam SB2 capsule endoscopy system.
- Group E (Type: ACTIVE_COMPARATOR): Group E: the same as protocol A plus 2L Polyethylene glycol 2-4h before VCE. CE are performed with the Pillcam SB2 capsule endoscopy system.

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