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Full-Text Articles in Medicine and Health Sciences

Immune-Mediated Colitis From Dual Checkpoint Inhibitors., Nishanth Thalambedu, Yasir Khan, Qian Zhang, Shristi Khanal, Ammar Ashfaq Nov 2019

Immune-Mediated Colitis From Dual Checkpoint Inhibitors., Nishanth Thalambedu, Yasir Khan, Qian Zhang, Shristi Khanal, Ammar Ashfaq

Abington Jefferson Health Papers

Melanoma is a deadly disease with immunotherapy treatment options that emerged in the last few years and have changed the disease outcome. However, it is associated with immune-related toxic effects despite improving survival. We present the case of a 53-year-old woman who had two weeks of diarrhea after she was treated with dual immunotherapy agents for her advanced melanoma. The final workup revealed pancolitis, possibly due to immunotherapy adverse effects. Initial conservative treatment, unfortunately, did not lead to a clinical improvement until a steroid was introduced. We are reporting this case to alert our fellow physicians about the immune-mediated toxicities …


Checkpoint Inhibitors: What Gastroenterologists Need To Know., Monjur Ahmed Dec 2018

Checkpoint Inhibitors: What Gastroenterologists Need To Know., Monjur Ahmed

Division of Gastroenterology and Hepatology Faculty Papers

Checkpoint inhibitors are increasingly being used in clinical practice. They can cause various gastrointestinal, hepatic and pancreatic side effects. As these side effects can be serious, appropriate management is essential. The different checkpoint inhibitors with their mechanisms of action and indications, as well as evaluation and management of gastrointestinal, hepatic and pancreatic side effects, are discussed in this article.


Intestinal Barrier Tightening By A Cell-Penetrating Antibody To Bin1, A Candidate Target For Immunotherapy Of Ulcerative Colitis., Sunil Thomas, Kevther Hoxha, Walker Alexander, John Gilligan, Rima Dilbarova, Kelly Whittaker, Andrew Kossenkov, George C. Prendergast, James M. Mullin Sep 2018

Intestinal Barrier Tightening By A Cell-Penetrating Antibody To Bin1, A Candidate Target For Immunotherapy Of Ulcerative Colitis., Sunil Thomas, Kevther Hoxha, Walker Alexander, John Gilligan, Rima Dilbarova, Kelly Whittaker, Andrew Kossenkov, George C. Prendergast, James M. Mullin

Kimmel Cancer Center Papers, Presentations, and Grand Rounds

Patients afflicted with ulcerative colitis (UC) are at increased risk of colorectal cancer. While its causes are not fully understood, UC is associated with defects in colonic epithelial barriers that sustain inflammation of the colon mucosa caused by recruitment of lymphocytes and neutrophils into the lamina propria. Based on genetic evidence that attenuation of the bridging integrator 1 (Bin1) gene can limit UC pathogenicity in animals, we have explored Bin1 targeting as a therapeutic option. Early feasibility studies in the dextran sodium sulfate mouse model of experimental colitis showed that administration of a cell-penetrating Bin1 monoclonal antibody (Bin1 mAb 99D) …