Please assess the completion status of the following clinical trial:

Trial Title: Safety and Efficacy of High Dose Bowel Preparation Solutions for Patients With Difficult To Clean Colons For Colonoscopy

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_ONLY
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients at least 18 years old planning to undergo an elective colonoscopy will be eligible for inclusion in our study if they had a previous colonoscopy with an inadequate preparation.~Exclusion Criteria:~* Patients who are pregnant.~* Patients with ileus, gastrointestinal obstruction, gastric retention, bowel perforation, toxic colitis or toxic megacolon would not be considered elective colonoscopies and are excluded.

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

Study Arms:
- Step 1 (Type: None): Patients who had inadequate preparations for colonoscopy with a standard dose of bowel cleansing agent.
- Step 2 (Type: None): Patients who had inadequate preparations for colonoscopy with a step 1 dose of bowel cleansing agent.
- Step 3 (Type: None): Patients who had inadequate preparations for colonoscopy with a step 2 dose of bowel cleansing agent.
- Step 4 (Type: None): Patients who had inadequate preparations for colonoscopy with a step 3 dose of bowel cleansing agent.
- Step 5 (Type: None): Patients who had inadequate preparations for colonoscopy with a step 4 dose of bowel cleansing agent.

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