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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Tian, Chia-Yi Ou, Yang-Hao Chang, Shih-Liang Lin, Chih-Ming |
| Abstract | Introduction Pembrolizumab and other immune checkpoint inhibitors are the emerging treatment for selected, high-grade malignancies. However, a small number of patients are unable to tolerate its adverse effects, leading to discontinuation of this potentially life-changing therapy. In this study, we present a case of high-grade urothelial carcinoma patient, who experienced neurocomplications during the first pembrolizumab administration. However, we were able to limit the adverse effect by concomitant use of low-dose oral steroids. Case presentation A 75-year-old Taiwanese female with high-grade urothelial carcinoma of the left ureter came to the neurology clinic with complaints of acute onset of bilateral ptosis 16 days after her first infusion of pembrolizumab. It was found that she developed complete bilateral ptosis and limited extraocular muscle movements. Myasthenia gravis-related antibodies and repetitive stimulation test were negative. We diagnosed her with pembrolizumab-induced myasthenia gravis-like disorder and myositis based on clinical symptoms and elevation of muscle enzymes. We commenced methylprednisolone pulse therapy followed by oral steroid therapy with gradual resolution of the symptoms. Three months later, the patient received a second cycle of pembrolizumab with low-dose oral steroids without any complications. Conclusion Pembrolizumab exerts its antitumor activity by interfering with the binding of programmed death 1 and its ligand, programmed death ligand 1. As a result, enhanced cytotoxic T cells can recognize tumor cells and induce cellular death. However, neurological complications may be severe and require prompt recognition and treatment. Our case demonstrated that concomitant use of low-dose steroids and pembrolizumab might prevent such complications. |
| Related Links | https://jmedicalcasereports.biomedcentral.com/counter/pdf/10.1186/s13256-021-02722-8.pdf |
| Ending Page | 5 |
| Page Count | 5 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17521947 |
| DOI | 10.1186/s13256-021-02722-8 |
| Journal | Journal of Medical Case Reports |
| Issue Number | 1 |
| Volume Number | 15 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2021-04-30 |
| Access Restriction | Open |
| Subject Keyword | Medicine Public Health General Practice Family Medicine Primary Care Medicine Surgical Oncology Internal Medicine Pembrolizumab Immune checkpoint inhibitor PD-1 Neuroinflammation Ocular myositis Hepatitis Case report Medicine/Public Health |
| Content Type | Text |
| Resource Type | Case study |
| Subject | Medicine |
| Journal Impact Factor | 0.9/2023 |
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