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Refractory Immune Checkpoint Inhibitor-Induced Colitis Improved by Tacrolimus: A Case Report
oleh: Yasuhito Kunogi, Keiichi Tominaga, Keiichiro Abe, Mimari Kanazawa, Takanao Tanaka, Shoko Watanabe, Masayuki Kondo, Akira Kanamori, Makoto Iijima, Kenichi Goda, Yumi Nozawa, Kazuyuki Ishida, Atsushi Irisawa
Format: | Article |
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Diterbitkan: | MDPI AG 2021-04-01 |
Deskripsi
Immune checkpoint inhibitors (ICIs) increase T-cell activity and antitumor immune response. However, they also have immune-related adverse effects that can affect the gastrointestinal (GI) tract. A 62-year-old male patient who had undergone right lung upper lobectomy for adenocarcinoma of the lung received chemotherapy with pemetrexed sodium hydrate, carboplatin, and pembrolizumab to prevent postoperative recurrence of liver metastasis. However, the patient experienced severe diarrhea four months after the start of chemotherapy. Although a corticosteroid and two biological preparations were administered to alleviate the diarrhea, no improvement was observed. Eventually, remission was achieved when tacrolimus was administered. Treatment with corticosteroids is recommended for patients with GI adverse effects of ICIs. Rapid introduction of infliximab is necessary for refractory patients. Nevertheless, for refractory cases such as that of our patient, for whom even this regimen is inefficacious, tacrolimus might be recommended to induce remission as with cases of ulcerative colitis.