Displaying publications 21 - 40 of 47 in total

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  1. Yip CH, Taib NA
    Future Oncol, 2012 Dec;8(12):1575-83.
    PMID: 23231519 DOI: 10.2217/fon.12.141
    The incidence of breast cancer is rising in low- and middle-income countries (LMICs) due to 'westernization' of risk factors for developing breast cancer. However, survival remains low because of barriers in early detection and optimal access to treatment, which are the two main determinants of breast cancer outcome. A multidisciplinary approach to treatment gives the best results. An accurate diagnosis is dependent on a reliable pathology service, which will provide an adequate pathology report with prognostic and predictor information to allow optimal oncological treatment. Stratification of clinical practice guidelines based on resource level will ensure that women will have access to treatment even in a low-resource setting. Advocacy and civil society play a role in galvanizing the political will required to meet the challenge of providing opportunities for breast cancer control in LMICs. Collaboration between high-income countries and LMICs could be a strategy in facing these challenges.
    Matched MeSH terms: Medical Oncology/economics; Medical Oncology/organization & administration
  2. Extermann M, Brain E, Canin B, Cherian MN, Cheung KL, de Glas N, et al.
    Lancet Oncol, 2021 01;22(1):e29-e36.
    PMID: 33387502 DOI: 10.1016/S1470-2045(20)30473-3
    In 2011, the International Society of Geriatric Oncology (SIOG) published the SIOG 10 Priorities Initiative, which defined top priorities for the improvement of the care of older adults with cancer worldwide.1 Substantial scientific, clinical, and educational progress has been made in line with these priorities and international health policy developments have occurred, such as the shift of emphasis by WHO from communicable to non-communicable diseases and the adoption by the UN of its Sustainable Development Goals 2030. Therefore, SIOG has updated its priority list. The present document addresses four priority domains: education, clinical practice, research, and strengthening collaborations and partnerships. In this Policy Review, we reflect on how these priorities would apply in different economic settings, namely in high-income countries versus low-income and middle-income countries. SIOG hopes that it will offer guidance for international and national endeavours to provide adequate universal health coverage for older adults with cancer, who represent a major and rapidly growing group in global epidemiology.
    Matched MeSH terms: Medical Oncology/education; Medical Oncology/standards*
  3. Chan CM, Azman WA
    Singapore Med J, 2012 Jan;53(1):52-6.
    PMID: 22252184
    Findings in the area of patient-physician relationship are riddled with inconsistencies. Although patient-centredness has been found to have special relevance in chronic illnesses, no study in the Southeast Asian region has so far examined role orientation and its implication for patient-centred outcomes in the cancer context. This study aimed to examine role orientation in cancer patients and their physicians, doctor-patient fit and how this congruence relates to patient satisfaction.
    Matched MeSH terms: Medical Oncology/manpower; Medical Oncology/methods
  4. Yip CH, Taib NA
    Climacteric, 2014 Dec;17 Suppl 2:54-9.
    PMID: 25131779 DOI: 10.3109/13697137.2014.947255
    Breast cancer is one of the leading cancers world-wide. While the incidence in developing countries is lower than in developed countries, the mortality is much higher. Of the estimated 1 600 000 new cases of breast cancer globally in 2012, 794 000 were in the more developed world compared to 883 000 in the less developed world; however, there were 198 000 deaths in the more developed world compared to 324 000 in the less developed world (data from Globocan 2012, IARC). Survival from breast cancer depends on two main factors--early detection and optimal treatment. In developing countries, women present with late stages of disease. The barriers to early detection are physical, such as geographical isolation, financial as well as psychosocial, including lack of education, belief in traditional medicine and lack of autonomous decision-making in the male-dominated societies that prevail in the developing world. There are virtually no population-based breast cancer screening programs in developing countries. However, before any screening program can be implemented, there must be facilities to treat the cancers that are detected. Inadequate access to optimal treatment of breast cancer remains a problem. Lack of specialist manpower, facilities and anticancer drugs contribute to the suboptimal care that a woman with breast cancer in a low-income country receives. International groups such as the Breast Health Global Initiative were set up to develop economically feasible, clinical practice guidelines for breast cancer management to improve breast health outcomes in countries with limited resources.
    Matched MeSH terms: Medical Oncology/economics; Medical Oncology/manpower; Medical Oncology/methods
  5. Park K, Vansteenkiste J, Lee KH, Pentheroudakis G, Zhou C, Prabhash K, et al.
    Ann Oncol, 2020 02;31(2):191-201.
    PMID: 31959336 DOI: 10.1016/j.annonc.2019.10.026
    The most recent version of the European Society for Medical Oncology (ESMO) Clinical Practice Guidelines for the diagnosis, treatment and follow-up of early and locally-advanced non-small-cell lung cancer (NSCLC) was published in 2017, and covered the diagnosis, staging, management and treatment of both early stage I and II disease and locally-advanced stage III disease. At the ESMO Asia Meeting in November 2018, it was decided by both the ESMO and the Korean Society of Medical Oncology (KSMO) to convene a special face-to-face guidelines meeting in 2019 in Seoul. The aim was to adapt the ESMO 2017 guidelines to take into account potential differences related to ethnicity, cancer biology and standard practices associated with the treatment of locally-advanced, unresectable NSCLC in Asian patients. These guidelines represent the consensus opinions reached by those experts in the treatment of patients with lung cancer who represented the oncology societies of Korea (KSMO), China (CSCO), India (ISMPO), Japan (JSMO), Malaysia (MOS), Singapore (SSO) and Taiwan (TOS). The voting was based on scientific evidence, and it was independent of both local current treatment practices and the treatment availability and reimbursement situations in the individual participating Asian countries.
    Matched MeSH terms: Medical Oncology
  6. Park YH, Senkus-Konefka E, Im SA, Pentheroudakis G, Saji S, Gupta S, et al.
    Ann Oncol, 2020 04;31(4):451-469.
    PMID: 32081575 DOI: 10.1016/j.annonc.2020.01.008
    In view of the planned new edition of the most recent version of the European Society for Medical Oncology (ESMO) Clinical Practice Guidelines for the diagnosis, treatment and follow-up of primary breast cancer published in 2015, it was decided at the ESMO Asia Meeting in November 2018, by both the ESMO and the Korean Society of Medical Oncology (KSMO), to convene a special face-to-face guidelines meeting in 2019 in Seoul. The aim was to adapt the latest ESMO 2019 guidelines to take into account the ethnic and geographical differences associated with the treatment of early breast cancer in Asian patients. These guidelines represent the consensus opinions reached by experts in the treatment of patients with early breast cancer representing the oncology societies of Korea (KSMO), China (CSCO), India (ISMPO) Japan (JSMO), Malaysia (MOS), Singapore (SSO) and Taiwan (TOS). The voting was based on scientific evidence, and was independent of both the current treatment practices, and the drug availability and reimbursement situations, in the individual participating Asian countries.
    Matched MeSH terms: Medical Oncology
  7. Chen LT, Martinelli E, Cheng AL, Pentheroudakis G, Qin S, Bhattacharyya GS, et al.
    Ann Oncol, 2020 03;31(3):334-351.
    PMID: 32067677 DOI: 10.1016/j.annonc.2019.12.001
    The most recent version of the European Society for Medical Oncology (ESMO) Clinical Practice Guidelines for the diagnosis, treatment and follow-up of hepatocellular carcinoma (HCC) was published in 2018, and covered the diagnosis, management, treatment and follow-up of early, intermediate and advanced disease. At the ESMO Asia Meeting in November 2018 it was decided by both the ESMO and the Taiwan Oncology Society (TOS) to convene a special guidelines meeting immediately after the Taiwan Joint Cancer Conference (TJCC) in May 2019 in Taipei. The aim was to adapt the ESMO 2018 guidelines to take into account both the ethnic and the geographic differences in practice associated with the treatment of HCC in Asian patients. These guidelines represent the consensus opinions reached by experts in the treatment of patients with intermediate and advanced/relapsed HCC representing the oncology societies of Taiwan (TOS), China (CSCO), India (ISMPO) Japan (JSMO), Korea (KSMO), Malaysia (MOS) and Singapore (SSO). The voting was based on scientific evidence, and was independent of the current treatment practices, the drug availability and reimbursement situations in the individual participating Asian countries.
    Matched MeSH terms: Medical Oncology
  8. Siddiqui A, Shrestha S, Ahmed A, Akhlaq Bhutta O
    J Oncol Pharm Pract, 2023 Jun;29(4):956-957.
    PMID: 36734132 DOI: 10.1177/10781552231154465
    Matched MeSH terms: Medical Oncology
  9. Aribi Al-Zoobaee FW, Yee Shen L, Veettil SK, Gopinath D, Maharajan MK, Menon RK
    Int J Environ Res Public Health, 2020 Nov 30;17(23).
    PMID: 33265920 DOI: 10.3390/ijerph17238891
    Cancer therapy may be complicated and compromised by viral infections, including oral herpes simplex virus (HSV) infection. This network meta-analysis aimed to identify the best antiviral agent to prevent or treat oral HSV infection in patients being treated for cancer. A search was conducted for trials published since inception until the 10th of May 2020 in MEDLINE, EMBASE and the Cochrane Central Register of Controlled Trials. A network meta-analysis was performed on the data from randomized controlled trials that assessed antiviral agents for preventive or therapeutic activity vs. placebo, no treatment or any other active intervention in patients being treated for cancer. The agents were ranked according to their effectiveness in the prevention of oral HSV using surface under the cumulative ranking (SUCRA). Grading of Recommendations, Assessment, Development and Evaluations (GRADE) was used to assess the certainty of the evidence. In total, 16 articles were included. The pooled relative risk (RR) to develop oral HSV infection in the acyclovir group was 0.17 (95% CI: 0.10, 0.30), compared to 0.22 (95% CI: 0.06, 0.77) in the valacyclovir group. Acyclovir ranked highest for the prevention of oral HSV followed by valacyclovir. Subgroup analysis with different acyclovir regimens revealed that the best regimens in terms of HSV-1 prevention were 750 mg/m2 acyclovir administered intravenously followed by 1600 mg per day orally. Acyclovir (250 mg/m2 per day) administered intravenously was the least effective against the prevention of oral HSV.
    Matched MeSH terms: Medical Oncology
  10. Jeys LM, Thorkildsen J, Kurisunkal V, Puri A, Ruggieri P, Houdek MT, et al.
    Bone Joint J, 2024 May 01;106-B(5):425-429.
    PMID: 38689572 DOI: 10.1302/0301-620X.106B5.BJJ-2023-1381
    Chondrosarcoma is the second most common surgically treated primary bone sarcoma. Despite a large number of scientific papers in the literature, there is still significant controversy about diagnostics, treatment of the primary tumour, subtypes, and complications. Therefore, consensus on its day-to-day treatment decisions is needed. In January 2024, the Birmingham Orthopaedic Oncology Meeting (BOOM) attempted to gain global consensus from 300 delegates from over 50 countries. The meeting focused on these critical areas and aimed to generate consensus statements based on evidence amalgamation and expert opinion from diverse geographical regions. In parallel, periprosthetic joint infection (PJI) in oncological reconstructions poses unique challenges due to factors such as adjuvant treatments, large exposures, and the complexity of surgery. The meeting debated two-stage revisions, antibiotic prophylaxis, managing acute PJI in patients undergoing chemotherapy, and defining the best strategies for wound management and allograft reconstruction. The objectives of the meeting extended beyond resolving immediate controversies. It sought to foster global collaboration among specialists attending the meeting, and to encourage future research projects to address unsolved dilemmas. By highlighting areas of disagreement and promoting collaborative research endeavours, this initiative aims to enhance treatment standards and potentially improve outcomes for patients globally. This paper sets out some of the controversies and questions that were debated in the meeting.
    Matched MeSH terms: Medical Oncology
  11. Chan CM, Ahmad WA
    Int J Clin Pract, 2012 Jan;66(1):16-20.
    PMID: 22171901 DOI: 10.1111/j.1742-1241.2011.02831.x
    Aims: There is limited study on patient-centred attitudes with regards to the patient–physician relationship in physicians. The objective of this study was to examine and compare physician attitudes toward patient-centredness in four different medical settings.
    Methods: The present study utilised a cross-sectional survey design and purposive sampling to recruit physicians from a single academic medical centre via face-to-face interviews. Patient-centred attitudes of physicians specialising in surgery, oncology, obstetrics and gynaecology and primary care
    (N = 78) were compared on the Patient–Practitioner Orientation Scale (PPOS) using an independent one-way analysis of variance (ANOVA). The four medical
    specialties comprised the four levels, with role orientation (patient-centred orientation vs. doctor-centred orientation) as the dependent measure.
    Results: A significant level of difference (p < 0.001) was found between the four specialisations:
    oncologists were found to have the highest level of patient-centeredness, followed by obstetricians & gynaecologists and primary care physicians, with surgeons being the least patient-centred among specialisations sampled.
    Conclusion: These data are the first from the South-East Asian region to demonstrate differences in
    physician attitudes between medical specialties. Our findings prompt further investigation and confirmation as to whether physicians with particular attitudinal traits are attracted to any particular specialties of medicine, or if physician attitudes are acquired through professional experience and training. In addition, this study offers better insight into the attitudinal differences of physician between medical specialities.
    Questionnaire: Patient–Practitioner Orientation Scale; PPOS
    Matched MeSH terms: Medical Oncology*
  12. Biswal BM, Zakaria A, Baba AA, Ja'afar R
    Med J Malaysia, 2004 Mar;59(1):78-83.
    PMID: 15535340
    We conducted a questionnaire survey among 261 year-4 and year-5 medical students containing 27 questions related to cancer, radiotherapy, general oncology and palliative care to assess their knowledge, understanding, and exposure to oncology and palliative care in our medical school. Out of 261 students, 139 students returned their questionnaire for analysis. Twenty nine percent (29%) of the students had rarely visited the Radiotherapy and Oncology unit. There were profound deficiencies in the basic knowledge of cancer (46%), principles of radiotherapy treatment (59%), palliative care (64%), and cancer prevention (48%). They reported no specific teaching about early detection of common malignancies and cancer prevention. The main input of instruction about cancer came from surgery (46%) and pathology (28%) teachings. This study revealed that there is deficiency in cancer education in the undergraduate teaching program in our institution.
    Matched MeSH terms: Medical Oncology/education*
  13. Sivanesratnam V
    Med J Malaysia, 1991 Sep;46(3):205-11.
    PMID: 1839913
    Matched MeSH terms: Medical Oncology/trends*
  14. Woo YL, Kyrgiou M, Bryant A, Everett T, Dickinson HO
    Gynecol Oncol, 2012 Aug;126(2):286-90.
    PMID: 22507534 DOI: 10.1016/j.ygyno.2012.04.012
    Gynaecological cancers are the second most common cancers among women. It has been suggested that centralised care improves outcomes but consensus is lacking. This systematic review assesses the effectiveness of centralisation of care for patients with gynaecological cancer, in particular, survival advantage.
    Matched MeSH terms: Medical Oncology/statistics & numerical data*
  15. Othman MY, Blair S, Nah SA, Ariffin H, Assanasen C, Soh SY, et al.
    JCO Glob Oncol, 2020 08;6:1328-1345.
    PMID: 32886560 DOI: 10.1200/GO.20.00284
    PURPOSE: Pediatric solid tumors require coordinated multidisciplinary specialist care. However, expertise and resources to conduct multidisciplinary tumor boards (MDTBs) are lacking in low- and middle-income countries (LMICs). We aimed to profile the landscape of pediatric solid tumor care and practices and perceptions on MDTBs among pediatric solid tumor units (PSTUs) in Southeast Asian LMICs.

    METHODS: Using online surveys, availability of specialty manpower and MDTBs among PSTUs was first determined. From the subset of PSTUs with MDTBs, one pediatric surgeon and one pediatric oncologist from each center were queried using 5-point Likert scale questions adapted from published questionnaires.

    RESULTS: In 37 (80.4%) of 46 identified PSTUs, availability of pediatric-trained specialists was as follows: oncologists, 94.6%; surgeons, 91.9%; radiologists, 54.1%; pathologists, 40.5%; radiation oncologists, 29.7%; nuclear medicine physicians, 13.5%; and nurses, 81.1%. Availability of pediatric-trained surgeons, radiologists, and pathologists was significantly associated with the existence of MDTBs (P = .037, .005, and .022, respectively). Among 43 (89.6%) of 48 respondents from 24 PSTUs with MDTBs, 90.5% of oncologists reported > 50% oncology-dedicated workload versus 22.7% of surgeons. Views on benefits and barriers did not significantly differ between oncologists and surgeons. The majority agreed that MDTBs helped to improve accuracy of treatment recommendations and team competence. Complex cases, insufficient radiology and pathology preparation, and need for supplementary investigations were the top barriers.

    CONCLUSION: This first known profile of pediatric solid tumor care in Southeast Asia found that availability of pediatric-trained subspecialists was a significant prerequisite for pediatric MDTBs in this region. Most PSTUs lacked pediatric-trained pathologists and radiologists. Correspondingly, gaps in radiographic and pathologic diagnoses were the most common limitations for MDTBs. Greater emphasis on holistic multidisciplinary subspecialty development is needed to advance pediatric solid tumor care in Southeast Asia.

    Matched MeSH terms: Medical Oncology
  16. Abdul Satar NF, Cheong EV, Jasmin LPY, Ngu MR
    Med J Malaysia, 2020 11;75(6):738-741.
    PMID: 33219188
    Cancer during pregnancy is a rare condition. We report here a case of a lady diagnosed with nasopharyngeal carcinoma (NPC) at University of Malaya Medical Centre during her first pregnancy conceived via In Vitro Fertilisation (IVF). A multidisciplinary (MDT) meeting among Oncology, Obstetrics, Rheumatology and Otolaryngology teams was conducted to discuss her treatment options. She opted for treatment with Complementary and Alternative Medicine (CAM). This case illustrates the unique challenges in the oncological management of a patient diagnosed with NPC during pregnancy. It also serves as a reminder that the use of CAM in cancer patients is prevalent. It is important for doctors to inquire about use of CAM and to be well-informed about it. Transparent communication and taking cognizance of the goals and concerns of the patients are essential in delivering patient-centred care.
    Matched MeSH terms: Medical Oncology
  17. Loong HH, Shimizu T, Prawira A, Tan AC, Tran B, Day D, et al.
    ESMO Open, 2023 Aug;8(4):101586.
    PMID: 37356359 DOI: 10.1016/j.esmoop.2023.101586
    INTRODUCTION: Next-generation sequencing (NGS) diagnostics have shown clinical utility in predicting survival benefits in patients with certain cancer types who are undergoing targeted drug therapies. Currently, there are no guidelines or recommendations for the use of NGS in patients with metastatic cancer from an Asian perspective. In this article, we present the Asia-Pacific Oncology Drug Development Consortium (APODDC) recommendations for the clinical use of NGS in metastatic cancers.

    METHODS: The APODDC set up a group of experts in the field of clinical cancer genomics to (i) understand the current NGS landscape for metastatic cancers in the Asia-Pacific (APAC) region; (ii) discuss key challenges in the adoption of NGS testing in clinical practice; and (iii) adapt/modify the European Society for Medical Oncology guidelines for local use. Nine cancer types [breast cancer (BC), gastric cancer (GC), nasopharyngeal cancer (NPC), ovarian cancer (OC), prostate cancer, lung cancer, and colorectal cancer (CRC) as well as cholangiocarcinoma and hepatocellular carcinoma (HCC)] were identified, and the applicability of NGS was evaluated in daily practice and/or clinical research. Asian ethnicity, accessibility of NGS testing, reimbursement, and socioeconomic and local practice characteristics were taken into consideration.

    RESULTS: The APODDC recommends NGS testing in metastatic non-small-cell lung cancer (NSCLC). Routine NGS testing is not recommended in metastatic BC, GC, and NPC as well as cholangiocarcinoma and HCC. The group suggested that patients with epithelial OC may be offered germline and/or somatic genetic testing for BReast CAncer gene 1 (BRCA1), BRCA2, and other OC susceptibility genes. Access to poly (ADP-ribose) polymerase inhibitors is required for NGS to be of clinical utility in prostate cancer. Allele-specific PCR or a small-panel multiplex-gene NGS was suggested to identify key alterations in CRC.

    CONCLUSION: This document offers practical guidance on the clinical utility of NGS in specific cancer indications from an Asian perspective.

    Matched MeSH terms: Medical Oncology
  18. Fatokun O
    Lancet Oncol, 2017 01;18(1):19-20.
    PMID: 28049569 DOI: 10.1016/S1470-2045(16)30650-7
    Matched MeSH terms: Medical Oncology/legislation & jurisprudence*
  19. Leong BD, Chuah JA, Kumar VM, Rohamini S, Siti ZS, Yip CH
    Singapore Med J, 2009 Aug;50(8):772-6.
    PMID: 19710974
    Sabah, formerly known as North Borneo, is part of East Malaysia. 52.2 percent of patients with breast cancer in Sabah presented at advanced stages and up to 20.4 percent of patients defaulted proper treatment, opting for traditional therapy. We performed a two-year prospective study looking at the treatment trends of breast cancer in Sabah.
    Matched MeSH terms: Medical Oncology/trends
  20. Teoh KH, Looi LM, Sabaratnam S, Cheah PL, Nazarina AR, Mun KS
    Malays J Pathol, 2011 Jun;33(1):35-42.
    PMID: 21874750 MyJurnal
    Predictive biomarkers such as oestrogen (ER) and progesterone (PR) receptors and c-erbB-2 oncoprotein have become a staple in breast cancer reports in the country as they increasingly play an important role in the treatment and prognosis of women with breast cancers. This study reviews the practice of histopathology reporting of these biomarkers in a Malaysian tertiary hospital setting. Retrospective data on demographic, pathological and biomarker profiles of patients with invasive ductal carcinoma who had undergone mastectomy or lumpectomy with axillary node clearance from 2005 to 2006 were retrieved from the Department of Pathology, Penang Hospital and analysed. The prevalence of ER positivity (55.8%), PR positivity (52.5%), c-erbB-2 oncoprotein overexpression (24%) and triple negativity (ER negative, PR negative, c-erbB-2 negative) (15%) by immunohistochemistry were comparable with other studies. Notably, c-erbB-2 overexpression was equivocal (2+) in 15% of cases. Since about a quarter of equivocal (2+) cases usually show amplification by FISH, a small but certain percentage of patients would miss the benefit of anti-c-erbB-2 antibody therapy if FISH is not performed. New ASCO/CAP guidelines on the quantitation of ER and PR will probably increase the prevalence of ER/PR positivity, invariably leading to significant ramifications on the management of patients as more patients would be deemed eligible for endocrine therapy, as well as categorisation of triple negative breast cancers.
    Matched MeSH terms: Medical Oncology/standards
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