1. Evaluating therapeutic efficacy of extended shelf-life 90 Y glass microspheres in transarterial radioembolization for colorectal cancer: a quantitative FDG PET/CT analysis.
- Author
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Kesim S, Balaban Genc ZC, Soydemir E, Baltacioglu F, Kissa TN, Ozdemir B, Ozguven S, Filizoglu N, Niftaliyeva K, Engur CO, Kostek O, Akdeniz E, Turoglu HT, Erdil TY, Cimsit C, and Ones T
- Subjects
- Humans, Fluorodeoxyglucose F18, Positron Emission Tomography Computed Tomography, Radiopharmaceuticals therapeutic use, Microspheres, Retrospective Studies, Prognosis, Colorectal Neoplasms diagnostic imaging, Colorectal Neoplasms radiotherapy, Colorectal Neoplasms drug therapy, Liver Neoplasms secondary, Yttrium Radioisotopes
- Abstract
Objectives: There is a lack of sufficient evidence regarding the use of extended shelf-life (ExSL) Yttrium-90 ( 90 Y) glass radiomicrospheres in metastatic colorectal cancer (mCRC) patients. We aimed to investigate the efficacy of ExSL 90 Y glass radiomicrospheres with a personalized treatment approach by analyzing 18 F-FDG PET/CT quantitative parameters [metabolic tumor volume (MTV) and total lesion glycolysis (TLG)] separately before and after the treatment., Methods: A total of 93 radioembolization sessions involving 77 patients were included. Simplicit 90 Y software was utilized to perform multicompartmental voxel-based dosimetry. Adverse events were recorded using the CTCAE v5.0 criteria. The survival data were recorded in detail., Results: The overall disease control rate was 84.9%, with a median overall survival (OS) of 12.7 months and median progression-free survival (PFS) of 8.3 months. A statistically significant increase in treatment response rate was observed when there was an increase in absorbed tumor dose for pre-treatment unit MTV ( P = 0.005) and TLG ( P = 0.004) values. We didn't observe any additional side effects/vital risks that could be considered clinically significant., Conclusion: Our study has provided evidence on the therapeutic effectiveness and safety in terms of dose-toxicity profile of ExSL 90 Y glass microspheres in a large cohort of mCRC patients. With a personalized treatment approach, the increase in radiation dose absorbed by the tumor has shown a significant contribution to treatment response rate, as indicated by quantitative measurements obtained through 18 F-FDG PET/CT., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2024
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