Immunologic alterations associated with oral delivery of anti-CD3 (OKT3) monoclonal antibodies in patients with moderate-to-severe ulcerative colitis

Elisa K. Boden, James B. Canavan, Christopher J. Moran, Katelyn McCann, William A. Dunn, Francis A. Farraye, Ashwin N. Ananthakrishnan, Vijay Yajnik, Roopali Gandhi, Deanna D. Nguyen, Atul K. Bhan, Howard L. Weiner, Joshua R. Korzenik, Scott B. Snapper

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Aim: The aim of this study was to determine the immunologic effects and safety of oral anti-CD3 in patients with ulcerative colitis (UC). Methods: An open-label pilot study of orally delivered anti-CD3 was performed in patients with moderate-to-severe UC. The primary end points were changes in immunologic parameters and evaluation for safety. Results: Six subjects received oral OKT3. Biologic effects of oral anti-CD3 included significantly increased proliferation in response to anti-CD3 and anti-inflammatory gene expression profile in peripheral blood mononuclear cells. No serious treatment-related adverse events occurred. Conclusion: Orally delivered anti-CD3 resulted in immunologic changes in patients with UC.

Original languageEnglish (US)
JournalCrohn's and Colitis 360
Volume1
Issue number2
DOIs
StatePublished - Jul 1 2019
Externally publishedYes

Keywords

  • Muromonab-CD3
  • Regulatory T cells
  • Ulcerative colitis

ASJC Scopus subject areas

  • Gastroenterology

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