Please select the eligibility criteria that correspond to the clinical trial below.
Title: Feasibility, Safety, and Efficacy of Transendoscopic Enteral Tubing in Fecal Microbiota Transplantation
Brief Summary: No technique by placing a tube through anus into cecum for whole colon administration. This study aimed to evaluate the feasibility, safety, and efficacy of transendoscopic enteral tubing (TET) in fecal microbiota transplantation (FMT) through whole colon.


Options:
A: Inclusion Criteria:

* Age ≥ 18
* Ability to give informed consent
* Established ulcerative colitis with known involvement of the left colon according to the Lennard-Jones criteria
* SCCAI of 4 \> \< 11
* Endoscopic Mayo score of \> 1
* Stable dose of thiopurines in preceding 8 weeks
* Stable dose of corticosteroids and 5-ASA in preceding 2 weeks

Exclusion Criteria:

* Condition leading to profound immunosuppression
* Anti-TNF treatment in preceding 2 months
* Cyclosporine treatment in preceding 4 weeks
* Use of Methotrexate in preceding 2 months
* Prednisolone dose \> 10 mg
* Life expectancy \< 12 months
* Use of systemic antibiotics in preceding 6 weeks
* Use of probiotic treatment in preceding 6 weeks
* Positive stool cultures for common enteric pathogens (Salmonella, Shigella, Yersinia, Campylobacter, enteropathogenic e coli)
* Positive faecal PCR-test (positive PCR means: \> 1 of the following viruses is present) for: Rotavirus, Norovirus, Enterovirus, Parechovirus Sapovirus, Adenovirus 40/41/52. Astrovirus.
* Pregnancy or women who give breastfeeding
* Vasopressive medication, icu stay
B: Inclusion Criteria:

Clinical diagnosis of Crohn's disease, with the diagnosis remaining unchanged after at least three months of follow-up.

Willingness to undergo FMT (Fecal Microbiota Transplantation).

Exclusion Criteria:

Presence of serious conditions that made them unsuitable for inclusion (e.g., malignant neoplasms, cardiopulmonary failure, serious liver or kidney disease).
C: Inclusion Criteria:

* Mild to moderate ulcerative colitis (Montreal classification)

Exclusion Criteria:

* Diagnosed as ulcerative colitis first time.
* No history of using Biologic, immunomodulatory therapy or corticosteroid therapy.
* With contraindication of endoscopy.
D: Main Inclusion Criteria:

1. Signed informed consent prior to initiation of any study-specific procedure or treatment. The subject or their legally authorized representative must be able to provide written informed consent and understand the potential risks and benefits from study enrollment and treatment.
2. Male or female subject ≥ 18 years of age.
3. A qualifying episode of CDI as defined by:

   1. ≥ 3 unformed stools per day for 2 consecutive days
   2. A positive C. difficile stool toxin assay.
   3. The requirement of CDI SOC antibiotic therapy (defined as 10 to 21 days of treatment with vancomycin \[125 mg QID\] and/or fidaxomicin \[200 mg BID\]).
   4. An adequate clinical response following SOC antibiotic therapy, defined as (\<3 unformed stools in 24 hours) for 2 or more consecutive days before randomization.

Main Exclusion Criteria:

1. Female subjects who are pregnant, breastfeeding, lactating, or planning to become pregnant during the study.
2. Known or suspected toxic megacolon and/or known small bowel ileus.
3. Admitted to or expected to be admitted to an intensive care unit for medical reasons (not just boarding). Note: nursing homes, rehabilitation, assisted living centers and acute care hospitals are acceptable.
4. Absolute neutrophil count of \<500 cells/ml\^3
5. Major gastrointestinal surgery (e.g. significant bowel resection or diversion) within 3 months before enrollment (this does not include appendectomy or cholecystectomy), or any history of total colectomy or bariatric surgery (bariatric surgery which does not disrupt the gastrointestinal lumen, i.e., restrictive procedures such as banding, are permitted).
6. History of active inflammatory bowel disease (ulcerative colitis, Crohn's disease, microscopic colitis) with diarrhea believed to be caused by active inflammatory bowel disease in the past 3 months.
7. Concurrent intensive induction chemotherapy, radiotherapy, or biologic treatment for active malignancy (subjects on maintenance chemotherapy may only be enrolled after consultation with the study medical monitor).
8. Any history of fecal microbiota transplantation (FMT) within the previous 3 months.

Answer: C