Diagnostic Performance and Safety of Positron Emission Tomography Using 18F-Fluciclovine in Patients with Clinically Suspected High- or Low-grade Gliomas: A Multicenter Phase IIb Trial
سال انتشار: 1396
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 220
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شناسه ملی سند علمی:
JR_JNMB-5-1_002
تاریخ نمایه سازی: 12 تیر 1398
چکیده مقاله:
Objective(s): The study objective was to assess the diagnostic performance of positron emission tomography (PET) for gliomas using the novel tracer 18F-fluciclovine (anti-[18F]FACBC) and to evaluate the safety of this tracer in patients with clinically suspected gliomas.Methods: Anti-[18F]FACBC was administered to 40 patients with clinically suspected high- or low-grade gliomas, followed by PET imaging. T1-weighted, contrast-enhanced T1-weighted, and fluid-attenuated inversion recovery (or T2-weighted) magnetic resonance imaging (MRI) scans were obtained to plan for the tissue collection. Tissues were collected from either areas visualized using anti-[18F]FACBC PET imaging but not using contrast-enhanced T1-weighted imaging or areas visualized using both anti-[18F]FACBC-PET imaging and contrast-enhanced T1-weighted imaging and were histopathologically examined to assess the diagnostic accuracy of anti-[18F]FACBC-PET for gliomas.Results: The positive predictive value of anti-[18F]FACBC-PET imaging for glioma in areas visualized using anti-[18F]FACBC-PET imaging, but not visualized using contrast-enhanced T1- weighted images, was 100.0% (26/26), and the value in areas visualized using both contrastenhanced T1-weighted imaging and anti- [18F]FACBC-PET imaging was 87.5% (7/8). Twelve adverse events occurred in 7 (17.5%) of the 40 patients who received anti-[18F]FACBC. Five events in five patients were considered to be adverse drug reactions; however, none of the events were serious, and all except one resolved spontaneously without treatment.Conclusion: This Phase IIb trial showed that anti-[18F]FACBC-PET imaging was effective for the detection of gliomas in areas not visualized using contrast-enhanced T1-weighted MRI and the tracer was well tolerated.
کلیدواژه ها:
نویسندگان
Toshihiko Wakabayashi
Department of Neurosurgery, Nagoya University, Graduate School of Medicine
Toshihiko Iuchi
Division of Neurological Surgery, Chiba Cancer Center
Naohiro Tsuyuguchi
Department of Neurosurgery, Osaka City University Graduate School of Medicine
Ryo Nishikawa
Department of Neuro-Oncology/Neurosurgery, Saitama International Medical Center, Saitama Medical University
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