Please assess the completion status of the following clinical trial:

Trial Title: Double-balloon Colonoscopy to Increase Colonoscopy Completion Rate

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

Eligibility Criteria:
Inclusion Criteria:~* Failed cecal intubation during conventional colonoscopy due to technical difficulties~Exclusion Criteria:~* Failed cecal intubation due to insufficient bowel preparation~* Stenotic colonic lesions~* Patients decline~* Pregnancy~* Persons younger than 18 years~* Persons unable to comprehend the information given

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: t

Study Arms:
- DBC (Type: EXPERIMENTAL): Double balloon colonoscopy will be attempted in cases where conventional colonoscopy failed due to technical difficulties such as looping or redundant colonic segments.

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