Status:

WITHDRAWN

Evaluating the Combined Effect of Vedolizumab and Semi-Vegetarian Diet on Ulcerative Colitis.

Lead Sponsor:

Mayo Clinic

Conditions:

Ulcerative Colitis

Dietary Modification

Eligibility:

All Genders

18+ years

Phase:

EARLY_PHASE1

Brief Summary

Research of fecal microflora and dysbiosis status in ulcerative colitis (UC) has shown its influential role on the disease pathogenesis. Vedolizumab, a humanized monoclonal antibody blocking the migra...

Detailed Description

Specific Aims: Hypothesis to be investigated: the integrated treatment effect of controlling inflammatory process through vedolizumab in active UC patients can be synergistically enhanced with a stru...

Eligibility Criteria

Inclusion

  • 18 years or older
  • diagnosed with active UC (with a Mayo score ≥4, with an endoscopic Mayo Clinic score ≥1, and disease that extended 15 cm or more from the anal verge)
  • failed with prior mesalamine therapy
  • Patients who were previously exposed to mesalamine or steroids will have a 30-day washout period before being enrolled
  • Patients who were previously exposed to tumor necrosis factor (TNF) antagonists will have a 60-day washout period before being enrolled
  • For patients who were previously exposed to glucocorticoids, immunosuppressive medications (i.e., azathioprine, 6-mercaptopurine, or methotrexate), or TNF antagonists, a documentation of unsuccessful previous treatment (i.e., lack of response or unacceptable adverse events) is required
  • A diagnosis of UC confirmed by biopsy obtained at the index colonoscopy or flexible sigmoidoscopy.

Exclusion

  • Patients who have been on semi-vegetarian diet before the trial will be excluded
  • pregnancy or lactation
  • an unstable or uncontrolled medical disorder
  • an anticipated requirement for major surgery
  • history of subtotal colectomy with ileorectostomy or colectomy with ileoanal pouch, Koch pouch, or ileostomy for UC, or planned bowel surgery
  • unable to give informed consent
  • current diagnosis of fulminant colitis or toxic megacolon, abdominal abscess, symptomatic colonic stricture, stoma
  • disease limited to the rectum (ulcerative proctitis)
  • current total parenteral nutrition
  • positive Clostridium difficile stool assay
  • history of an infection requiring intravenous antimicrobial therapy within 1 month or oral antimicrobial therapy within 2 weeks
  • history of listeria, histoplasmosis, chronic or active hepatitis B or C infection, human immunodeficiency virus, immunodeficiency syndrome, untreated tuberculosis
  • history of central nervous system demyelinating disease
  • history of malignancy other than a successfully treated nonmetastatic cutaneous squamous cell or basal cell carcinoma or localized carcinoma in situ of the cervix, or evidence of dysplasia or malignancy on the screening colonoscopy/flexible sigmoidoscopy with biopsy
  • Any of the following laboratory abnormalities during the screening period:
  • Hemoglobin level \<8 g/dL
  • WBC count \<3 × 109/L
  • Lymphocyte count \<0.5 × 109/L
  • Platelet count \<100k/L or \>1200k/L
  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>3 × the upper limit of normal (ULN)
  • Alkaline phosphatase \>3 × ULN, g) Serum creatinine \>2 × ULN
  • Antibiotic use within past 14 days; Probiotics use within past 7 days

Key Trial Info

Start Date :

December 25 2017

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2018

Estimated Enrollment :

Patients enrolled

Trial Details

Trial ID

NCT03309865

Start Date

December 25 2017

End Date

December 31 2018

Last Update

September 26 2018

Active Locations (1)

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1

Mayo Clinic Florida

Jacksonville, Florida, United States, 32224