Please assess the completion status of the following clinical trial:

Trial Title: Volatiles in Exhaled Breath and Blood in Crohn's Disease: Validation Cohort

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

Eligibility Criteria:
Inclusion Criteria:~* Age: 18-65~* BMI: 19-30~* scheduled colonoscopy~Exclusion Criteria:~* disease compromising immune system (such as HIV positive status or patients after organ transplantation~* liver disease~* active and untreated tuberculosis~* chemotherapy agents

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Entire Cohort (Type: None): This is an observational/validation study and there is no intervention involved. Exhaled air samples, blood samples, and fecal samples will be obtained.

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