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高保真音响 1997年第5期 50-51页

作者： chan.,S

Development of systemic therapy for hepatocellular carcinoma at 2013:Updates and insights

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World Journal of Gastroenterology 2014年第12期20卷 3135-3145页

作者： stephen L chan Winnie Yeo Department of Clinical Oncology The Chinese University of Hong KongPrince of Wales Hospital State Key Laboratory in Oncology in South China

A growing number of multi-targeted tyrosine kinase inhibitor (TKI) has undergone testing for hepatocellular carcinoma (HCC). Unfortunately, this enthusiasm has recently been discouraged by a number of negative phase III studies on several anti-angiogenic TKIs in HCC. Several postulations have been made to account for this phenomenon, namely the plateau effects of anti-angiogenesis approach, the heterogeneity of HCC in terms of background hepatitis/cirrhosis and tumor biology, as well as the way how clinical trials are designed. Regardless of the underlying reasons, these results suggested that alternative strategies are necessary to further develop systemic therapy for HCC. Several new strategies are currently evaluated: for examples, molecular agents with activities against targets other than vascular endothelial growth factor receptor are being evaluated in on-going clinical trials. In addition, different approaches of targeted agents in combination with various treatment modalities, such as concurrently with another molecular agent, cytotoxic chemotherapy or transarterial chemoembolization, are being developed. This review aims to give a summary on the results of recently released clinical trials on TKIs, followed by discussion on some of the potential novel agents and combinational approaches. Future directions for testing innovative systemic agents for HCC will also be discussed.

关键词： Liver neoplasms Systemic treatment Biologics Staging Clinical trial

Systemic treatment for inoperable pancreatic adenocarcinoma: review and update

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Chinese Journal of Cancer 2014年第6期33卷 267-276页

作者： stephen L.chan Sin T.chan Eric H.chan Zhe-Xi He State Key Laboratory in Oncology in South China Sir YK Pao Center for Cancer Department of Clinical Oncology and Hong Kong Cancer Institute and Prince of Wales Hospital The Chinese University of Hong Kong The Faculty of Medicine The Chinese University of Hong Kong

There have been many clinical trials conducted to evaluate novel systemic regimens for unresectable pancreatic cancer. However, most of the trial results were negative, and gemcitabine monotherapy has remained the standard systemic treatment for years. A number of molecular targeted agents, including those against epidermal growth factor receptor and vascular endothelial growth factor receptors, have also been tested. In recent years, there have been some breakthroughs in the deadlock: three regimens, namely gemcitabine-erlotinib, FOLFIRINOX, and gemcitabine-nab-paclitaxel, have been shown to prolong the overall survival of patients when compared with gemcitabine monotherapy. In addition, emerging data suggested that the membrane protein human equilibrative nucleotide transporter 1 is a potential biomarker with which to predict the efficacy of gemcitabine. Here we review the literature on the development of systemic agents for pancreatic cancer, discuss the current choices of treatment, and provide future directions on the development of novel agents.

关键词：全身治疗胰腺癌审查血管内皮生长因子受体表皮生长因子受体手术临床试验靶向药物

What do oncologists need to know about biosimilar products?

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Chinese Journal of Cancer 2016年第11期35卷 574-584页

作者： Linda K.S.Leung Kevin Mok Calvin Liu stephen L.chan 1 State Key Laboratory in Oncology in South China Department of Clinical OncologySir YK Pao Center for CancerHong Kong Cancer Institute and Prince of Wales HospitalThe Chinese University of Hong KongShatinHong KongChina. Faculty of Medicine The Chinese University of Hong KongHong KongChina.

Many biologic products have improved the outcomes of cancer patients,but the costs can substantially burden healthcare *** products can potentially reduce drug costs and increase patient access to beneficial *** of a biosimilar product relies on the demonstration of "comparability" or "no clinically meaningful differences" as compared to its reference biologic *** products for erythropoietin,granulocyte colonystimulating factor,trastuzumab,and rituximab are already available,and the regulatory processes in various countries are constantly *** is important that oncologists be familiar with the potential issues surrounding the clinical use of biosimilar *** this review article,we provide background information about biosimilar products and their regulatory approval processes,followed by a discussion of individual biosimilar drugs.

关键词： Biosimilar products Biologic products Regulation Oncology

Novel biomarkers GEP/ABCB5 regulate response to adjuvant transarterial chemoembolization after curative hepatectomy for hepatocellular carcinoma

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Hepatobiliary & Pancreatic Diseases International 2018年第6期17卷 524-530页

作者： Charing Ching-Ning Chong Siu Tim Cheung Yue-Sun Cheung Anthony Wing-Hung chan stephen Lam chan Simon Chun-Ho Yu Paul Bo-San Lai Department of Surgery Prince of Wales HospitalThe Chinese University of Hong Kong4/F Clinical Science Building30-32 Ngan Shing StreetShatinHong KongChina Department of Anatomical and Cellular Pathology State Key Laboratory in Oncology in South ChinaPrince of Wales HospitalThe Chinese University of Hong Kong30-32 Ngan Shing StreetShatinHong KongChina Department of Clinical Oncology Prince of Wales HospitalThe Chinese University of Hong Kong30-32 Ngan Shing StreetShatinHong KongChina Department of Imaging and Interventional Radiology Prince of Wales HospitalThe Chinese University of Hong Kong30-32 Ngan Shing StreetShatinHong KongChina

Background: Transarterial chemoembolization(TACE) is the most commonly used adjuvant therapy for hepatocellular carcinoma(HCC) after curative resection. Responses to TACE are variable due to tumor and patient heterogeneity. We had previously demonstrated that expression of Granulin-epithelin precursor(GEP) and ATP-dependent binding cassette(ABC)B5 in liver cancer stem cells was associated with chemoresistance. The present study aimed to evaluate the association between GEP/ABCB5 expression and response to adjuvant TACE after curative resection for HCC. Methods: Patients received adjuvant TACE after curative resection for HCC and patients received curative resection alone were identified from a prospectively collected database. Clinical samples were retrieved for biomarker analysis. Patients were categorized into 3 risk groups according to their GEP/ABCB5 status for survival analysis: low(GEP-/ABCB5-), intermediate(either GEP +/ABCB5-or GEP-/ABCB5 +) and high(GEP +/ABCB5 +). Early recurrence(recurrence within 2 years after resection) and disease-free survival were analyzed. Results: Clinical samples from 44 patients who had followed-up for more than 2 years were retrieved for further biomarker analysis. Among them, 18 received adjuvant TACE and 26 received surgery alone. Patients with adjuvant TACE in the intermediate risk group was associated with significantly better overall survival and 2-year disease-free survival than those who had surgery alone( P = 0.036 and P = 0.011, respectively). Adjuvant TACE did not offer any significant differences in the early recurrence rate, 2-year disease-free survival and overall survival for patients in low and high risk groups. Conclusions: Adjuvant TACE can only provide survival benefits for patients in the intermediate risk group(either GEP +/ABCB5-or GEP-/ABCB5 +). A larger clinical study is warranted to confirm its role in patient selection for adjuvant TACE.

关键词： Adjuvant therapy Hepatocellular carcinoma Drug transporter Transarterial chemoembolisation Granulin-epithelin precursor

Exploring the synergy of the eyebrain connection:neuromodulation approaches for neurodegenerative disorders through transcorneal electrical stimulation

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Neural Regeneration Research 2024年第10期19卷 2097-2098页

作者： Antara Verma stephen K.Agadagba Leanne Lai-Hang chan Department of Electrical Engineering City University of Hong KongKowloonHong Kong Special Administrative RegionChina Centre for Eye and Vision Research Ltd. Hong Kong Special Administrative RegionChina Pennsylvania State University University ParkPAUSA

The connection and interaction between the eye and the brain are crucial to understanding brain disorders(Marchesi et al.,2021).Both the eye and the brain have a limited regenerative capacity as there are few progenitor cells,and nerve cells do not ***,neurodegeneration implicates irreversible damage to the central nervous system,as observed in several neurodegenerative diseases(Marchesi et al.,2021).

关键词： stimulation degenerative

International validation of the Chinese University Prognostic Index for staging of hepatocellular carcinoma: a joint United Kingdom and Hong Kong study

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Chinese Journal of Cancer 2014年第10期33卷 481-491页

作者： stephen L.chan Philip J.Johnson Frankie Mo Sarah Berhane Mabel Teng Anthony W.H.chan Ming C.Poon Paul B.S.Lai Simon Yu Anthony T.C.chan Winnie Yeo State Key Laboratory in Oncology in South China Sir YK Pao Center for CancerDepartment of Clinical OncologyHong Kong Cancer Institute and Prince of Wales HospitalThe Chinese University of Hong Kong School of Cancer Sciences University of Birmingham the Department of Molecular and Clinical Cancer Medicine Institute of Translational MedicineUniversity of Liverpool Department of Anatomical Cellular and PathologyThe Chinese University of Hong Kong Department of Surgery The Chinese University of Hong Kong Department of Radiology and Organ Imaging The Chinese University of Hong Kong

The outcome of hepatocellular carcinoma(HCC) patients significantly differs between western and eastern population centers. Our group previously developed and validated the Chinese University Prognostic Index(CUPI) for the prognostication of HCC among the Asian HCC patient population. In the current study, we aimed to validate the CUPI using an international cohort of patients with HCC and to compare the CUPI to two widely used staging systems, the Barcelona Clinic Liver Cancer(BCLC) classification and the Cancer of the Liver Italian Program(CLIP). To accomplish this goal, two cohorts of patients were enrolled in the United Kingdom(UK; n = 567; 2006-2011) and Hong Kong(HK; n = 517; 2007-2012). The baseline clinical data were recorded. The performances of the CUPI, BCLC, and CLIP were compared in terms of a concordance index(C-index) and were evaluated in subgroups of patients according to treatment intent. The results revealed that the median follow-up durations of the UK and HK cohorts were 27.9 and 29.8 months, respectively. The median overall survival of the UK and HK cohorts were 22.9 and 8.6 months, respectively. The CUPI stratified the patients in both cohorts into three risk subgroups corresponding to distinct outcomes. The median overall survival of the CUPI low-, intermediate-, and high-risk subgroups were 3.15, 1.24, and 0.29 years, respectively, in the UK cohort and were 2.07, 0.32, and 0.10 years, respectively, in the HK cohort. For the patients who underwent curative treatment, the prognostic performance did not differ between the three staging systems, and all were suboptimal. For those who underwent palliative treatment, the CUPI displayed the highest C-index, indicating that this staging system was the most informative for both cohorts. In conclusion, the CUPI is applicable to both western and eastern HCC patient populations. The performances of the three staging systems differed according to treatment intent, and the CUPI was demonstrated to be opti

关键词：香港英国预后肝癌验证国际大学中国

Management of hepatocellular carcinoma with portal vein tumor thrombosis: Review and update at 2016

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World Journal of Gastroenterology 2016年第32期22卷 7289-7300页

作者： stephen L chan Charing CN Chong Anthony WH chan Darren MC Poon Kenneth SH Chok State Key Laboratory in Oncology of South China Institute of Digestive Disease The Chinese University of Hong Kong Department of Clinical Oncology Sir YK Pao Center for Cancer Hong Kong Cancer Institute The Chinese University of Hong Kong Prince of Wales Hospital Department of Surgery Prince of Wales Hospital The Chinese University of Hong Kong State Key Laborator in Oncology of South China Department of Anatomical and Cellular Pathology The Chinese University of Hong Kong Department of Surgery Queen Mary Hospital The University of Hong Kong

Portal vein tumor thrombosis(PVTT) is a common phenomenon in hepatocellular carcinoma(HCC). Compared to HCC without PVTT, HCC with PVTT is characterized by an aggressive disease course, worse hepatic function, a higher chance of complications related to portal hypertension and poorer tolerance to treatment. Conventionally, HCC with PVTT is grouped together with metastatic HCC during the planning of its management, and most patients are offered palliative treatment with sorafenib or other systemic agents. As a result, most data on the management of HCC with PVTT comes from subgroup analyses or retrospective series. In the past few years, there have been several updates on management of HCC with PVTT. First, it is evident that HCC with PVTT consists of heterogeneous subgroups with different prognoses. Different classifications have been proposed to stage the degree of portal vein invasion/thrombosis, suggesting that different treatment modalities may be individualized to patients with different risks. Second, more studies indicate that more aggressive treatment, including surgical resection or locoregional treatment, may benefit select HCC patients with PVTT. In this review, we aim to discussthe recent conceptual changes and summarize the data on the management of HCC with PVTT.

关键词： Liver cancer Vascular invasion Targeted agent Surgery Radiotherapy

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非常派对

城市住宅 1999年第10期6卷 58-65页

作者： stephen chan 乐陶 IDS Design Group Ltd

面积:326平方米(建筑面积)间隔:五教室二厅对于笔者来说,这所位于半山区的楼房并非纯粹是一个住宅,而是一所结合了天象馆、画廊及中西合璧的文化交流会所,设计师把这些气氛截然不同的空间联系在一起,构造出多个变化万千的景象。而井然... 详细信息

面积:326平方米(建筑面积)间隔:五教室二厅对于笔者来说,这所位于半山区的楼房并非纯粹是一个住宅,而是一所结合了天象馆、画廊及中西合璧的文化交流会所,设计师把这些气氛截然不同的空间联系在一起,构造出多个变化万千的景象。而井然有序的空间排列也同时带出层次鲜明的感觉,令屋主随时随地都可在这精彩百出的空间感受无限惊喜。

关键词：居室室内装饰五室二厅 326m^2

Global collaboration of eye research--personal experience

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 985-990页

作者： Chi-Chao chan Laboratory of Immunology National Eye InstituteNational Institutes of HealthBethesdaMD 20892-1858USA Zhongshan Ophthalmic Center Sun Yat-sen UniversityGuangzhou 5410060Guangdong ProvinceChina

On December 9,2023,I was privileged to be honored and participate in the *** Chao chan Symposium on Global Collaboration of Eye Research as the Global Eye Genetic Consortium(GEGC)session,which was held in the 16th Congress of the Asia-Pacific Vitreo-Retina Society(APVRS)in Hong *** with my talk on“Global collaboration of eye research:personal experience”,other prominent international speakers provided their own perspectives on opportunities for networking,collaboration,and exchange of ideas with global leaders and experts in ophthalmic practice,research,and education.

关键词： speakers collaboration Global