Joon-Young Yoon, Won Gi Jeong, Yoo-Duk Choi, Seung Ji Kang, Hwa Kyung Park, Hyung-Joo Oh, Cheol-Kyu Park, In-Jae Oh, Young-Chul Kim
{"title":"Late-Onset Crizotinib-Associated Renal Cysts With Subsequent Regression Following Dose Reduction: A Case Report.","authors":"Joon-Young Yoon, Won Gi Jeong, Yoo-Duk Choi, Seung Ji Kang, Hwa Kyung Park, Hyung-Joo Oh, Cheol-Kyu Park, In-Jae Oh, Young-Chul Kim","doi":"10.1111/1759-7714.70111","DOIUrl":null,"url":null,"abstract":"<p><p>Crizotinib, an anaplastic lymphoma kinase (ALK)/ROS1/c-MET inhibitor, improves outcomes in ALK-positive non-small cell lung cancer (NSCLC) but can cause crizotinib-associated renal cysts (CARCs), a rare yet clinically relevant adverse effect. We report a case of a 68-year-old Korean male who developed complex renal cysts after 4 years of crizotinib therapy. Radiologic findings initially raised suspicion for either an abscess or a neoplastic lesion, leading to surgical resection. However, recurrent renal cysts developed during continued crizotinib therapy, and CARCs were subsequently suspected. A dose reduction was implemented, which led to cyst regression without compromising tumor control. This case highlights the need to recognize and manage late-onset toxicities during long-term treatment, emphasizing the clinical value of multidisciplinary evaluation and tailored dose adjustments.</p>","PeriodicalId":23338,"journal":{"name":"Thoracic Cancer","volume":"16 12","pages":"e70111"},"PeriodicalIF":2.3000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12181678/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Thoracic Cancer","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1111/1759-7714.70111","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ONCOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Crizotinib, an anaplastic lymphoma kinase (ALK)/ROS1/c-MET inhibitor, improves outcomes in ALK-positive non-small cell lung cancer (NSCLC) but can cause crizotinib-associated renal cysts (CARCs), a rare yet clinically relevant adverse effect. We report a case of a 68-year-old Korean male who developed complex renal cysts after 4 years of crizotinib therapy. Radiologic findings initially raised suspicion for either an abscess or a neoplastic lesion, leading to surgical resection. However, recurrent renal cysts developed during continued crizotinib therapy, and CARCs were subsequently suspected. A dose reduction was implemented, which led to cyst regression without compromising tumor control. This case highlights the need to recognize and manage late-onset toxicities during long-term treatment, emphasizing the clinical value of multidisciplinary evaluation and tailored dose adjustments.
期刊介绍:
Thoracic Cancer aims to facilitate international collaboration and exchange of comprehensive and cutting-edge information on basic, translational, and applied clinical research in lung cancer, esophageal cancer, mediastinal cancer, breast cancer and other thoracic malignancies. Prevention, treatment and research relevant to Asia-Pacific is a focus area, but submissions from all regions are welcomed. The editors encourage contributions relevant to prevention, general thoracic surgery, medical oncology, radiology, radiation medicine, pathology, basic cancer research, as well as epidemiological and translational studies in thoracic cancer. Thoracic Cancer is the official publication of the Chinese Society of Lung Cancer, International Chinese Society of Thoracic Surgery and is endorsed by the Korean Association for the Study of Lung Cancer and the Hong Kong Cancer Therapy Society.
The Journal publishes a range of article types including: Editorials, Invited Reviews, Mini Reviews, Original Articles, Clinical Guidelines, Technological Notes, Imaging in thoracic cancer, Meeting Reports, Case Reports, Letters to the Editor, Commentaries, and Brief Reports.