Please assess the completion status of the following clinical trial:

Trial Title: Intestinal Mesenchymal Stem Stells and Inflammatory Bowel Diseases

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion criteria:~* For IBD patients :~  * Age between 18 and 75 year old~ * Diagnosis of Crohn's disease or ulcertaive colitis according to internationla guidelines~ * Endoscopically active disease~ * Indication for colonoscopy or intestinal resection according to standard of care~ * Written inform consent~* For control patients :~  * Age between 18 and 75 year old~ * Indication for screening colonoscopy for irritable bowel syndrome, diverticulum or colorectal cancer surveillance according to standard of care~ * Indication for intestinal resection for diverticulum or colorectal cancer according to standard of care~ * Written inform consent~Exclusion criteria:~* For IBD patients :~  * Active intestinal infection~ * Confirmed intestinal parasitosis~ * Intestinal stoma~* For control patients :~  * Active intestinal infection~ * Confirmed intestinal parasitosis~ * Intestinal inflammation at colonoscopy~ * Chronic intestinal inflammation on biopsies~ * Absence of healthy tissue on surgical specimen

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

Study Arms:
- Crohn's disease patient group (Type: OTHER): Intestinal biopsies during colonoscopy or biopsies taken on surgical specimen after intestinal resection
- Ulcerative colitis patient group (Type: OTHER): Intestinal biopsies during colonoscopy or biopsies taken on surgical specimen after intestinal resection
- Control group (Type: OTHER): Intestinal biopsies during colonoscopy or biopsies taken on surgical specimen after intestinal resection

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