Abstract
Background: Phosphatidylinositol 3-kinase (PI3K) is an essential target in lymphoid tumors therapy. Copanlisib is a novel class of medication that targets PI3K and used for the treatment of relapsing or refractory B-cell lymphomas. Case Presentation: A 42-year-old woman presents to our hospital for worsening abdominal pain. Examination pertinent for axillary lymphadenopathy, and abdominal ascites. CT chest, abdomen and pelvis reported multiple lung nodules, pleural effusions, extensive retroperitoneal lymphadenopathy, and peritoneal carcinomatosis. Lymph node and bone marrow biopsies confirmed B-cell follicular lymphoma and fluorescent in situ hybridization (FISH) testing was positive for translocation t(14:18). Her disease was refractory to multiple chemotherapy regimens. Thus, initiated copanlisib therapy with a remarkable response, but the patient developed a diffuse maculopapular rash and skin biopsy-proven to be drug rash. Therefore, copanlisib was discontinued. Conclusion: Here, we report a case of a middle-aged woman who developed a rash after the fifth cycle of copanlisib therapy. This case report will create awareness of evolving possible side effects in this novel chemotherapeutic agent.
Highlights
Phosphatidylinositol 3-kinase (PI3K) signaling is crucial for the proliferation, angiogenesis, and survival of malignant Lymphoid B cell malignancies [1,2,3,4]
Copanlisib is a novel class of medication that targets PI3K and used for the treatment of relapsing or refractory B-cell lymphomas
Lymph node and bone marrow biopsies confirmed B-cell follicular lymphoma and fluorescent in situ hybridization (FISH) testing was positive for translocation t(14:18)
Summary
Phosphatidylinositol 3-kinase (PI3K) is an essential target in lymphoid tumors therapy. Copanlisib is a novel class of medication that targets PI3K and used for the treatment of relapsing or refractory B-cell lymphomas. Lymph node and bone marrow biopsies confirmed B-cell follicular lymphoma and fluorescent in situ hybridization (FISH) testing was positive for translocation t(14:18). Her disease was refractory to multiple chemotherapy regimens. Conclusion: Here, we report a case of a middle-aged woman who developed a rash after the fifth cycle of copanlisib therapy. This case report will create awareness of evolving possible side effects in this novel chemotherapeutic agent
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