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Case Report: Life-threatening pancytopenia with tislelizumab followed by cerebral infarction in a patient with lung adenocarcinoma.

ABSTRACT: Immune checkpoint inhibitors (ICIs) are an integral antitumor therapy for many malignancies. Most patients show very good tolerability to ICIs; however, serious immune-related adverse events (irAEs) with ICIs have been well documented and prevent some patients from continuing ICIs or even become the direct cause of patient death. Cytopenia is a rare irAE but can be life-threatening. Here, we present the case of a 66-year-old male patient with metastatic lung adenocarcinoma who received two doses of chemotherapy + PD-1 antibody tislelizumab and developed pancytopenia after each dose. Although the first episode of pancytopenia resolved with a treatment regimen of granulocyte colony-stimulating factor (G-CSF), thrombopoietin (TPO), and red blood cell and platelet transfusion, the second episode showed extreme resistance to these treatments and improved only after the administration of steroids. His second pancytopenia episode resolved after a long course of treatment with methylprednisolone, G-CSF, TPO, hetrombopag and multiple red blood cell and platelet transfusions. However, he suffered a cerebral infarction when his platelet count was in the normal range and gradually recovered 1 week later. This case highlights the importance of the early recognition and management of hematological irAEs.

SUBMITTER: Gu HY

PROVIDER: S-EPMC10409480 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Case Report: Life-threatening pancytopenia with tislelizumab followed by cerebral infarction in a patient with lung adenocarcinoma.

Gu Hang-Yu HY Zhao Jing-Wen JW Wang Yin-Shuang YS Meng Zhuo-Nan ZN Zhu Xiu-Ming XM Wang Fu-Wei FW Zheng Ai-Hong AH Wu Guo-Qing GQ

Frontiers in immunology 20230725

Immune checkpoint inhibitors (ICIs) are an integral antitumor therapy for many malignancies. Most patients show very good tolerability to ICIs; however, serious immune-related adverse events (irAEs) with ICIs have been well documented and prevent some patients from continuing ICIs or even become the direct cause of patient death. Cytopenia is a rare irAE but can be life-threatening. Here, we present the case of a 66-year-old male patient with metastatic lung adenocarcinoma who received two doses ...[more]

PMID: 37559729

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Project description:BackgroundPrimary mediastinal choriocarcinoma (PCC) is a rare, highly vascular invasive, and prognostically unfavorable malignant tumor. When occurring outside the gonads, primary choriocarcinoma is commonly found in midline locations such as the mediastinum or retroperitoneum. Currently, there is no standardized treatment strategy for PCC. In the case reported herein, we employed tislelizumab and chemotherapy in the treatment of a patient with PCC, and as in March 2024, the patient remained survive.Case descriptionA 15-year-old boy who presented with symptoms of fever and cough for a year. Chest computed tomography (CT) scan showed a relatively large soft tissue shadow in the right upper anterior mediastinum, measuring approximately 5.4 cm × 3.8 cm. The patient's soft tissue exhibited unclear demarcation from surrounding mediastinal structures and was accompanied by lung metastasis. The patient underwent a fine needle aspiration biopsy for a mediastinal mass, and the pathology results indicated a germ cell tumor with solid malignant components in the mediastinum, along with pulmonary metastasis of the solid malignancy. The patient's serum levels of beta-human chorionic gonadotropin (β-HCG) were elevated at 125,554 mIU/mL (normal range: <5 mIU/mL), and alpha-fetoprotein (AFP) was 75.8 ng/mL (normal range, 0.605-7 ng/mL). The patient's cranial magnetic resonance imaging (MRI) plain scan indicated multiple scattered abnormal signals in both cerebral hemispheres. Subsequently, the patient was transferred to Children's Hospital of Nanjing Medical University for his further treatment. During the treatment period, we employed various therapeutic approaches, including chemotherapy, radiotherapy and tislelizumab therapy. After five cycles of tislelizumab treatment, the patient's symptoms of cerebral edema significantly improved, β-HCG levels decreased. Brain MRI of the patient revealed multiple abnormal signals within the skull, with some lesions showing reduction in size and significant improvement in the surrounding edema zones. The clinical symptoms of the patient improved and he achieved partial remission (PR). At the moment, the patient is living with the disease.ConclusionsThe effectiveness of chemotherapy for PCC is limited. Tislelizumab may potentially serve as salvage treatment options for PCC.

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Case Report: Life-threatening pancytopenia with tislelizumab followed by cerebral infarction in a patient with lung adenocarcinoma.

Publications

Case Report: Life-threatening pancytopenia with tislelizumab followed by cerebral infarction in a patient with lung adenocarcinoma.

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