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^(68)Gallium-labelled PSMA-PeT/CT as a diagnostic and clinical decision-making tool in Asian prostate cancer patients following prostatectomy

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Cancer Biology & Medicine 2019年第1期16卷 157-165页

作者： Janice S.H.Tan Charles X.Y.Goh Yen Sin koh Youquan Li Jeffrey k.L.Tuan eu Tiong Chua Terence W.k.Tan Michael L.C.Wang Lui Shiong Lee k.e jack.tay.ravindran k.nesvaran Chee keong Toh Aaron k.T.Tong Winnie W.C.Lam Melvin L.k.Chua Division of Radiation Oncology National Cancer Centre Singapore Department of Nuclear Medicine and Molecular Imaging Singapore General Hospital Radiological Sciences Academic Clinical Programme Duke-NUS Medical School Oncology Academic Clinical Programme Duke-NUS Medical School Department of Urology Singapore General Hospital Department of Surgery Sengkang General Hospital Division of Medical Oncology National Cancer Centre Singapore Division of Medical Sciences National Cancer Centre Singapore

Objective: Prostate cancers(PCa) in Asian individuals are molecularly distinct from those found in their Caucasian *** is no risk stratification tool for Asian men with rapid biochemical recurrence(BCR) following radical prostatectomy(Rad P). This study aims to assess the detection rate of ^(68)Ga-prostate-specific membrane antigen-positron emission tomography/computed tomography(PSMA-PeT/CT) for diagnosis of clinical recurrence and as a treatment decision making tool in Asian patients with BCR post-Rad ***: ^(68)Ga PSMA-PeT and CT body with/without bone scan [conventional workup(CWU)] were performed in 55 Asian patients with BCR within 36 months post-Rad P. Two blinded reviewers assessed the images. Detection rates of ^(68)Ga PSMAPeT/CT were evaluated, and impact on management was reviewed by comparison with ***: Median time to BCR post-Rad P was 8.1 months. Detection rate for ^(68)Ga PSMA-PeT/CT was 80%(44/55). A positive scan was significantly associated with increasing prostate-specific antigen(PSA) level [odds ratio(OR) = 1.13(95% CI 1.05–1.30), P =0.017], but not with higher Gleason grade or shorter PSA doubling time. Compared to CWU, ^(68)Ga PSMA-PeT/CT detected an additional 106 lesions in 33/44 patients with a positive scan, resulting in a change in management in 25/44(56.8%) patients: 10 to hormonal therapy(HT) and whole pelvis radiotherapy(RT) in addition to bed RT, and 15 to palliative HT ***: In the present report, we demonstrated the diagnostic and treatment decision utility of ^(68)Ga PSMA-PeT/CT in Asian men with rapid BCR. Detection of small volume nodal and systemic recurrences at low PSA levels(e role of the tool in assigning patients to treatment intensification with HT-RT or palliative HT in polymetastatic disease.

关键词： ^68Ga PSMA PeT/CT prostate cancer Asian diagnostic recurrence prostatectomy salvage radiotherapy

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Transcriptomic analyses of localized prostate cancers of east Asian and North American men reveal race-specific luminal-basal and microenvironmental differences

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Cancer Communications 2023年第10期43卷 1164-1168页

作者： Melvin L.k.Chua Alexander k.Hakansson enya H.W.Ong Boon Hao Hong Jing Jing Miao Adelene Y.L.Sim Janice S.H.Tan kah Min Tan Gabrielle C.J.Lee kar Perng Low Jeffrey k.L.Tuan Terence W.k.Tan Michael L.C.Wang Joe P.S.Yeong Michael C.S.Tan Lui Shiong Lee ravindran k.nesvaran Xin Zhao Julian Ho Daniel e.Spratt edward M.Schaeffer k.e-jack tay Yang Liu elai Davicioni Li Yan khor Division of Radiation Oncology National Cancer Centre SingaporeSingaporeSingapore Duke-NUS Medical School SingaporeSingapore Division of Medical Sciences National Cancer Centre SingaporeSingaporeSingapore Veracyte IncSan DiegoCAUSA Department of Nasopharyngeal Carcinoma State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapySun Yat-sen University Cancer CenterGuangzhouGuangdongP.R.China Faculty of Medicine Nursing and Health SciencesMonash UniversityVictoriaAustralia Department of Anatomical Pathology Singapore General HospitalSingaporeSingapore Department of Pathology Changi General HospitalSingaporeSingapore Department of Urology Sengkang General HospitalSingaporeSingapore Division of Medical Oncology National Cancer Centre SingaporeSingaporeSingapore Department of Radiation Oncology University Hospitals Seidman Cancer CenterCase Comprehensive Cancer CenterClevelandOHUSA Department of Urology Northwestern University Feinberg School of MedicineChicagoILUSA Department of Urology Singapore General HospitalSingaporeSingapore

Dear editor,Prostate cancer(PCa)remains a major healthcare burden in men globally[1].Most patients present with localized disease,and treatment is recommended based on risk classification systems like the National Comprehensive Cancer Network(NCCN)[2].However,these methods are imprecise for estimating metastasis-free survival and prostate cancer-specific mortality and thus biomarkers that can predict tumor aggression are needed[3–5].Several studies have since characterized the molecular landscape of localized PCa in White[4,5]and Black/African-American men[6],but data is lacking in Asian *** Chinese Prostate Cancer Genome and epigenome Atlas(CPGeA)reported on the genomic and epigenomic landscape of 208 PCa of men from China[7].Comparative analyses between the CPGeA cohort and data from The Cancer Genome Atlas(TCGA)revealed higher frequencies of Fork.ead box A1(FOXA1)and chromodomain-helicase DNA-binding 1(CHD1)mutations,and lower frequencies of phosphatase and tensin homolog(PTeN)mutations and transmembrane protease serine 2-e26 transformationspecific related gene(TMPRSS2-eRG)fusion in Chinese compared with White men[7].These preliminary findings highlight the presence of race-specific differences in molecular phenotypes of PCa.

关键词： landscape Atlas editor

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