Displaying publications 1 - 20 of 55 in total

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  1. Hassanein M, Yousuf S, Ahmedani MY, Albashier A, Shaltout I, Yong A, et al.
    Diabetes Metab Syndr, 2023 Jul;17(7):102799.
    PMID: 37301008 DOI: 10.1016/j.dsx.2023.102799
    BACKGROUND AND AIMS: The DaR Global survey was conducted to observe the impact of the COVID-19 pandemic on the intentions to fast and the outcomes of fasting in people with diabetes and chronic kidney disease (CKD).

    METHODS: Muslim people with diabetes and CKD were surveyed in 13 countries shortly after the end of Ramadan 2020, using a simple Survey Monkey questionnaire.

    RESULTS: This survey recruited 6736 people with diabetes, of which 707 (10.49%) had CKD. There were 118 (16.69%) people with type1 diabetes (T1D), and 589 (83.31%) were with type2 diabetes (T2D). 62 (65.24%) people with T1D and 448 (76.06%) people with T2D had fasted with CKD. Episodes of hypoglycaemia and hyperglycaemia were more frequent among people with T1D compared to T2D, 64.52% and 43.54% vs 25.22% and 22.32% respectively. Visits to the emergency department and hospitalization were more frequent among people with CKD, however no significant difference was found between people with T1D and T2D.

    CONCLUSION: The COVID-19 pandemic had only a minor effect on the intention to fast during Ramadan in people with diabetes and CKD. However, hypoglycaemia and hyperglycaemia were found to be more frequent, as well as emergency visits and hospital admissions among people with diabetic kidney disease. Prospective studies are needed in future to evaluate the risk indicators of hypoglycaemia and hyperglycaemia among fasting people with CKD, especially in the context of different stages of kidney disease.

  2. Hassanein M, Afandi B, Yakoob Ahmedani M, Mohammad Alamoudi R, Alawadi F, Bajaj HS, et al.
    PMID: 35016991 DOI: 10.1016/j.diabres.2021.109185
    Fasting during Ramadan is one of the five pillars of Islam and is obligatory for all healthy Muslims from the age of puberty. Though individuals with some illness and serious medical conditions, including some people with diabetes, can be exempted from fasting, many will fast anyway. It is of paramount importance that people with diabetes that fast are given the appropriate guidance and receive proper care. The International Diabetes Federation (IDF) and Diabetes and Ramadan (DaR) International Alliance have come together to provide a substantial update to the previous guidelines. This update includes key information on fasting during Ramadan with type 1 diabetes, the management of diabetes in people of elderly ages and pregnant women, the effects of Ramadan on one's mental wellbeing, changes to the risk of macrovascular and microvascular complications, and areas of future research. The IDF-DAR Diabetes and Ramadan Practical Guidelines 2021 seek to improve upon the awareness, knowledge and management of diabetes during Ramadan, and to provide real-world recommendations to health professionals and the people with diabetes who choose to fast.
  3. Kalra S, Bajaj S, Sharma SK, Priya G, Baruah MP, Sanyal D, et al.
    Diabetes Ther, 2020 Mar;11(3):585-606.
    PMID: 31981212 DOI: 10.1007/s13300-020-00764-7
    AIM: To develop an evidence-based expert group opinion on the role of insulin motivation to overcome insulin distress during different stages of insulin therapy and to propose a practitioner's toolkit for insulin motivation in the management of diabetes mellitus (DM).

    BACKGROUND: Insulin distress, an emotional response of the patient to the suggested use of insulin, acts as a major barrier to insulin therapy in the management of DM. Addressing patient-, physician- and drug-related factors is important to overcome insulin distress. Strengthening of communication between physicians and patients with diabetes and enhancing the patients' coping skills are prerequisites to create a sense of comfort with the use of insulin. Insulin motivation is key to achieving targeted goals in diabetes care. A group of endocrinologists came together at an international meeting held in India to develop tool kits that would aid a practitioner in implementing insulin motivation strategies at different stages of the journey through insulin therapy, including pre-initiation, initiation, titration and intensification. During the meeting, emphasis was placed on the challenges and limitations faced by both physicians and patients with diabetes during each stage of the journey through insulinization.

    REVIEW RESULTS: After review of evidence and discussions, the expert group provided recommendations on strategies for improved insulin acceptance, empowering behavior change in patients with DM, approaches for motivating patients to initiate and maintain insulin therapy and best practices for insulin motivation at the pre-initiation, initiation, titration and intensification stages of insulin therapy.

    CONCLUSIONS: In the management of DM, bringing in positive behavioral change by motivating the patient to improve treatment adherence helps overcome insulin distress and achieve treatment goals.

  4. Goh SY, Ang E, Bajpai S, Deerochanawong C, Hong EG, Hussein Z, et al.
    J Diabetes Complications, 2016 08;30(6):973-80.
    PMID: 27288201 DOI: 10.1016/j.jdiacomp.2016.05.019
  5. Jamaluddin FA, Sthaneshwar P, Hussein Z, Othman N, Chan SP
    Malays J Pathol, 2013 Jun;35(1):59-63.
    PMID: 23817395 MyJurnal
    Prolactin (PRL) exists in different forms in human serum. The predominant form is monomeric PRL (molecular mass 23 kDa) with smaller amounts of big PRL (molecular mass 50-60 kDa) and at times macroprolactin (molecular mass 150-170 kDa). Macroprolactin, generally considered to be biologically inactive, accounts for the major part of prolactin in some patients. Different immunoassays for prolactin differ in reactivity with this macromolecular complex.
  6. Mafauzy M, Hussein Z, Chan SP
    Med J Malaysia, 2011 Aug;66(3):175-81.
    PMID: 22111435 MyJurnal
    DiabCare Malaysia 2008 evaluated the current status of diabetes care in Malaysia as a continuation of similar cross-sectional studies conducted previously in 1997, 1998, 2001 and 2003. The current study recruited 1670 patients from general hospitals, diabetes clinics and referral clinics to study current scenario of diabetes management. We report the results of type 2 diabetic population who constituted 92.8% (n = 1549). Results showed deteriorating glycaemic control with mean HbA1c of 8.66 +/- 2.09% with only 22% of the patients achieving ADA target of < 7%. 80.3% of patients were hypertensive and 75% were on anti-hypertensive medication. 46% of patients had LDL levels > 2.6 mmol/L; 19.8% had triglycerides > 2.2 mmol/L; 27.4% had HDL < 1 mmol/L despite 85% of the patients being on lipid lowering agents. Microvascular, macrovascular and severe late complications were reported in 75%, 28.9% and 25.4% patients respectively. The rates of diabetic complications were cataract 27.2%, microalbuminuria 7%, neuropathy symptoms 45.9%, leg amputation 3.8% and history of angina pectoris was 18.4%. Quality of life evaluation showed that about one third of patients have poor quality of life. Also, there was poor adherence to diet, exercise and self testing of blood glucose. In conclusion, majority of the patients were still not satisfactorily controlled. There is an urgent need for effective remedial measures to increase adherence to practice guidelines and to educate both patients and healthcare personnel on importance of achieving clinical targets for metabolic control.
  7. Mohamed M, Hussein Z, Nazeri A, Chan SP
    Med J Malaysia, 2016 Aug;71(4):177-185.
    PMID: 27770116 MyJurnal
    The aim of the study was to re-evaluate the relationship between hospital based diabetes care delivery and prevention of complications.
  8. Lim LL, Hussein Z, Noor NM, Raof ASA, Mustafa N, Bidin MBL, et al.
    PLoS One, 2024;19(1):e0296298.
    PMID: 38166049 DOI: 10.1371/journal.pone.0296298
    AIM: Given a lack of data on diabetes care performance in Malaysia, we conducted a cross-sectional study to understand the clinical characteristics, control of cardiometabolic risk factors, and patterns of use of guideline-directed medical therapy (GDMT) among patients with type 2 diabetes (T2D), who were managed at publicly-funded hospitals between December 2021 and June 2022.

    METHODS: Patients aged ≥18 years with T2D from eight publicly-funded hospitals in the Greater Kuala Lumpur region, who had ≥2 outpatient visits within the preceding year and irrespective of treatment regimen, were eligible. The primary outcome was ≥2 treatment target attainment (defined as either HbA1c <7.0%, blood pressure [BP] <130/80 mmHg, or low-density lipoprotein cholesterol [LDL-C] <1.8 mmol/L). The secondary outcomes were the individual treatment target, a combination of all three treatment targets, and patterns of GDMT use. To assess for potential heterogeneity of study findings, all outcomes were stratified according to prespecified baseline characteristics namely 1) history of atherosclerotic cardiovascular disease (ASCVD; yes/no) and 2) clinic type (Diabetes specialist versus General medicine).

    RESULTS: Among 5094 patients (mean±SD age 59.0±13.2 years; T2D duration 14.8±9.2 years; HbA1c 8.2±1.9% (66±21 mmol/mol); BMI 29.6±6.2 kg/m2; 45.6% men), 99% were at high/very high cardiorenal risk. Attainment of ≥2 treatment targets was at 18%, being higher in General medicine than in Diabetes specialist clinics (20.8% versus 17.5%; p = 0.039). The overall statin coverage was 90%. More patients with prior ASCVD attained LDL-C <1.4 mmol/L than those without (13.5% versus 8.4%; p<0.001). Use of sodium-glucose cotransporter-2 (SGLT2) inhibitors (13.2% versus 43.2%), glucagon-like peptide-1 receptor agonists (GLP1-RAs) (1.0% versus 6.2%), and insulin (27.7% versus 58.1%) were lower in General medicine than in Diabetes specialist clinics.

    CONCLUSIONS: Among high-risk patients with T2D, treatment target attainment and use of GDMT were suboptimal.

  9. Mohamed M, Lim SC, Mumtaz M, Uppal S, Mukherjee D, Kassim MSM, et al.
    J ASEAN Fed Endocr Soc, 2023;38(1):37-44.
    PMID: 37252419 DOI: 10.15605/jafes.038.01.12
    OBJECTIVES: Insulin degludec (IDeg)/insulin aspart (IAsp; IDegAsp) is a co-formulation of 70% IDeg and 30% IAsp. According to several randomized controlled trials, IDegAsp is effective and safe for patients with type 2 diabetes mellitus (T2DM). A subgroup analysis of the ARISE study was conducted to explore the safety and efficacy of IDegAsp among Malaysian patients with T2DM in real-world settings.

    METHODOLOGY: ARISE, an open-label, multicenter, non-interventional, prospective study was conducted between August 2019 and December 2020. Adult Malaysian patients with T2DM who were enrolled from 14 sites received IDegAsp as per the local label for 26 weeks. The primary endpoint was change in glycated hemoglobin (HbA1c) levels from baseline to end of study (EOS).

    RESULTS: Of the 182 patients included in the full analysis set, 159 (87.4%) completed the study. From baseline to EOS, HbA1c (estimated difference [ED]: -1.3% [95% CI: -1.61 to -0.90]) and fasting plasma glucose levels (ED: -1.8 mmol/L [95% CI: -2.49 to -1.13]) were significantly reduced (p<0.0001). The patient-reported reduced hypoglycemic episodes (overall and nocturnal) during treatment. Overall, 37 adverse events were observed in 23 (12.6%) patients.

    CONCLUSION: Switching or initiating IDegAsp treatment resulted in significant improvements in glycemic control and a reduction in hypoglycemic episodes.

  10. Hussein Z, Taher SW, Gilcharan Singh HK, Chee Siew Swee W
    Ann Glob Health, 2016 4 25;81(6):851-62.
    PMID: 27108152 DOI: 10.1016/j.aogh.2015.12.016
    BACKGROUND: Diabetes is a major public health concern in Malaysia, and the prevalence of type 2 diabetes (T2D) has escalated to 20.8% in adults above the age of 30, affecting 2.8 million individuals. The burden of managing diabetes falls on primary and tertiary health care providers operating in various settings.

    OBJECTIVES: This review focuses on the current status of diabetes in Malaysia, including epidemiology, complications, lifestyle, and pharmacologic treatments, as well as the use of technologies in its management and the adoption of the World Health Organization chronic care model in primary care clinics.

    METHODS: A narrative review based on local available health care data, publications, and observations from clinic experience.

    FINDINGS: The prevalence of diabetes varies among the major ethnic groups in Malaysia, with Asian Indians having the highest prevalence of T2D, followed by Malays and Chinese. The increase prevalence of overweight and obesity has accompanied the rise in T2D. Multidisciplinary care is available in tertiary and primary care settings with integration of pharmacotherapy, diet, and lifestyle changes. Poor dietary adherence, high consumption of carbohydrates, and sedentary lifestyle are prevalent in patients with T2D. The latest medication options are available with increasing use of intensive insulin regimens, insulin pumps, and continuous glucose monitoring systems for managing glycemic control. A stepwise approach is proposed to expand the chronic care model into an Innovative Care for Chronic Conditions framework to facilitate implementation and realize better outcomes in primary care settings.

    CONCLUSIONS: A comprehensive strategy and approach has been established by the Malaysian government to improve prevention, treatment, and control of diabetes as an urgent response to this growing chronic disease.

  11. Hussein Z, Tress B, Colman PG
    Med J Malaysia, 2005 Jun;60(2):232-6.
    PMID: 16114168
    Thyrotoxicosis due to Graves disease is a relatively common endocrine disorder. The occurrence of a prolactinoma with co-secretion of growth hormone (GH) is on the other hand, rare. We report the rare co-existence of Graves' disease in a patient with macroprolactinoma and GH hypersecretion and describe the successful response to medical therapy with dopamine agonist and antithyroid therapy. We hypothesize that hyperprolactinaemia played a role in promoting autoimmune thyroid disease in our patient and that treatment of hyperprolactinaemia may have been important in suppressing autoimmune disease activity in Graves' disease. This case also reflects on the close and complex interactions between thyroid hormones, prolactin (PRL), GH and testosterone (T).
  12. Tong CV, Yow HY, Mohd Noor N, Hussein Z, DEARS (Diabetes Emergencies Around Ramadan Study) study group
    Diabetes Res Clin Pract, 2021 May;175:108854.
    PMID: 33961901 DOI: 10.1016/j.diabres.2021.108854
    OBJECTIVE: The objective of this study was to determine admissions for diabetes emergencies among patients who fasted or planned to fast one month before, during and one month after Ramadan 2019 in public hospitals in Malaysia.

    MATERIALS AND METHODS: This was a cross sectional prospective study done in 18 public hospitals in Malaysia from 7/4/2019 to 2/7/2019. Data was collected prospectively with universal sampling. All adult Muslim patients with previous diagnosis of diabetes, who were admitted for hypoglycemia, DKA or HHS were included if they had fasted and had intentions to fast.

    RESULTS: 295 admissions for diabetes emergencies were analyzed. The pre-Ramadan period recorded the highest number of admissions (119) followed by during (106) and post-Ramadan (70). Admissions for hyperglycemic emergencies accounted for 2/3 of total admissions. 37% of admissions for hypoglycemia occurred during pre-Ramadan period compared to 32.1% during Ramadan. Contributing factors included use of sulphonylurea (59.6%), presence of nephropathy (54.5%) and past history of hypoglycemia (45.5%). Admissions for DKA were more common than HHS (119 versus 77) and highest during Ramadan period (36.1%). Most of the admissions for hyperglycemic emergencies were among those with Type 2 diabetes (75.9% for DKA and 97.4% for HHS). Only 31.5% of patients admitted for diabetes emergencies recalled having received Ramadan advice in the past.

    DISCUSSION: Admissions for diabetes emergencies were highest during pre-Ramadan period followed by Ramadan and post-Ramadan period. This suggests that fasting during Ramadan does not increase admissions for diabetes emergencies.

  13. Jasul G, Paz-Pacheco E, Jimeno C, Suastika K, Hussein Z, Mustafa N, et al.
    J ASEAN Fed Endocr Soc, 2020;35(1):5-13.
    PMID: 33790494 DOI: 10.15605/jafes.035.01.10
    OBJECTIVES: The COVID-19 pandemic has made a major impact on hospital services globally, including the care of persons with diabetes and endocrine disorders. The aim of this study is to describe the epidemiology of COVID-19 in the ASEAN Federation of Endocrine Societies (AFES) member countries; to describe challenges, changes and opportunities in caring for patients with endocrine diseases, as well as in fellowship training programs, and endocrinerelated research in the AFES countries.

    METHODOLOGY: The AFES ASEAN Survey Of Needs in Endocrinology (AFES A.S.-O.N.E.) was an open-ended questionnaire that was sent to the presidents and representatives of the AFES member countries by email. Responses from Societies were collated and synthesized to obtain perspectives on the emergent issues in endocrinology in the Southeast Asian region during this pandemic.

    RESULTS: The burden of COVID-19 cases varied widely across the AFES member countries, with the least number of cases in Vietnam and Myanmar, and the greatest number of cases in either the most populous countries (Indonesia and the Philippines), or a country with the highest capability for testing (Singapore). The case fatality rate was also the highest for Indonesia and the Philippines at around 6%, and lowest for Vietnam at no fatalities. The percentage with diabetes among patients with COVID-19 ranged from 5% in Indonesia to 20% in Singapore, approximating the reported percentages in China and the United States. The major challenges in managing patients with endocrine diseases involved inaccessibility of health care providers, clinics and hospitals due to the implementation of lockdowns, community quarantines or movement control among the member countries. This led to disruptions in the continuity of care, testing and monitoring, and for some, provision of both preventive care and active management including surgery for thyroid cancer or pituitary and adrenal tumors, and radioactive iodine therapy. Major disruptions in the endocrine fellowship training programs were also noted across the region, so that some countries have had to freeze hiring of new trainees or to revise both program requirements and approaches to training due to the closure of outpatient endocrine clinics. The same observations are seen for endocrine-related researches, as most research papers have focused on the pandemic. Finally, the report ends by describing innovative approaches to fill in the gap in training and in improving patient access to endocrine services by Telemedicine.

    CONCLUSION: The burden of COVID-19 cases and its case fatality rate varies across the AFES member countries but its impact is almost uniform: it has disrupted the provision of care for patients with endocrine diseases, and has also disrupted endocrine fellowship training and endocrine-related research across the region. Telemedicine and innovations in training have been operationalized across the AFES countries in an attempt to cope with the disruptions from COVID-19, but its over-all impact on the practice of endocrinology across the region will only become apparent once we conquer this pandemic.

  14. Hassanein M, Alamoudi RM, Kallash MA, Aljohani NJ, Alfadhli EM, Tony LE, et al.
    Diabetes Res Clin Pract, 2021 Feb;172:108626.
    PMID: 33321160 DOI: 10.1016/j.diabres.2020.108626
    OBJECTIVES: The DaR Global survey was conducted to determine the impact of the COVID-19 pandemic on the intentions to fast and the outcomes of fasting in <18 years versus ≥18 years age groups with type 1 diabetes mellitus (T1DM).

    METHODS: Muslim people with T1DM were surveyed in 13 countries between June and August 2020, shortly after the end of Ramadan (23rd April-23rd May 2020) using a simple questionnaire.

    RESULTS: 71.1% of muslims with T1DM fasted during Ramadan. Concerns about COVID-19 were higher in individuals ≥18 years (p = 0.002). The number of participants who decided not to fast plus those who received Ramadan-focused education were significantly higher in the ≥18-year group (p 

  15. Abu Bakar SH, Hussein Z, Hee SL, Fazan F
    Med J Malaysia, 2004 May;59 Suppl B:81-2.
    PMID: 15468829
    Hydroxyapatite, (HA; Ca1O(PO4)6(OH)2) has been successfully applied in medical and dental applications for several years due to its excellent biocompatibility. The usage of HA in Malaysia, however, is limited due to the lack of availability. Therefore the aim of this work is to produce HA materials from both pure chemicals and from Malaysian natural limestone precursors, and to compare their bulk properties. However, parts of Malaysian natural limestone deposits actually consist of a combination of Ca(OH)2 and CaCO3. In order to utilise the limestone to produce HA material, the combination of these commercially pure chemicals as HA precursors should still work. In order to test this hypothesis, two HAs were produced by wet synthesis technique utilising (a) combination of Ca(OH)2 + CaCO3 from pure commercial chemicals [WCC] and (b) a local natural limestone [WL] precursors. The HAs produced; WCC and WL, were compacted into discs and sintered at 1250 degrees C. The characterisations and evaluations conducted were XRD, SEM-EDX, FTIR and shrinkage factor. The results indicate that WL gives slightly better bulk properties compared to WCC.
  16. Hussein Z, Kamaruddin NA, Chan SP, Jain A, Uppal S, Bebakar WMW, et al.
    Diabetes Res Clin Pract, 2017 Nov;133:40-49.
    PMID: 28888148 DOI: 10.1016/j.diabres.2017.08.007
    AIMS: The present Malaysian cohort analysis determined the prevalence of hypoglycemia among patients with type 1 diabetes mellitus (T1DM) or type 2 diabetes mellitus (T2DM) attending primary care- or hospital-based diabetes clinics in Malaysia and their awareness of the symptoms of hypoglycemia.

    METHODS: The Hypoglycemia Assessment Tool (HAT) study was a non-interventional, 6-month retrospective and 4-week prospective analysis of hypoglycemic events in 24 countries, using self-assessment questionnaires and diaries among patients with T1DM/T2DM aged ≥18years, using insulin for >12months. This report focuses on prospective data, as they are less prone to recall bias.

    RESULTS: There were 1153 participants in the Malaysian cohort (114 T1DM; 1039 T2DM). In the prospective period, 50.4% and 33.4% of patients reported ≥1 hypoglycemic events, with estimated rates of 20.3 and 13.1 events per patient-year of exposure in patients with T1DM and T2DM, respectively. 24.8% and 16.1% of patients with T1DM or T2DM, respectively, reported ≥1 nocturnal hypoglycemic event. The majority of patients (96.5%, T1DM; 91.8%, T2DM) knew what hypoglycemia was prior to the study. Impaired awareness was present in 48.0% (T1DM) and 36.9% (T2DM) of patients. In the prospective period, 50% of patients with T1DM or T2DM consulted a doctor or nurse following a hypoglycemia episode.

    CONCLUSIONS: Half of patients with T1DM and a third of patients with T2DM reported ≥1 hypoglycemic event during the prospective period. Although the majority of patients knew the typical features of hypoglycemia, many reported impaired ability to recognize symptoms in real life. The present findings highlight the importance of patient education and physician awareness in dealing with hypoglycemia, in particular the burden of hypoglycemic unawareness.

    CLINICAL TRIAL NUMBER: This trial was registered at www.clinicaltrials.gov as NCT01696266 on 26 September 2012.
  17. Alamoudi RM, Aljohani NJ, Alfadhli EM, Alzaman N, Alfadhly AF, Kallash MA, et al.
    Diabetes Metab Syndr, 2023 Jan;17(1):102676.
    PMID: 36463695 DOI: 10.1016/j.dsx.2022.102676
    BACKGROUND AND AIMS: To compare Saudi Arabia with other countries regarding patient attitudes towards fasting Ramadan and complications related to fasting during the COVID-19 pandemic.

    METHODS: Data collected from Saudi Arabia and 12 other mostly Muslim majority countries, via physician administered questionnaire within post Ramadan 2020.

    RESULTS: 1485 Type1 diabetes (T1DM) patients analyzed; 705 (47.5%) from Saudi Arabia vs. 780 (52.5%) from other countries. 1056 (71.1%) fasted Ramadan; 636 (90.2%) of Saudi patients vs. 420 (53.8%) of other countries. Experiencing Ramadan during the COVID-19 pandemic did not affect the Saudi T1DM patients' decision to fast while it significantly influenced their decision in other countries (1.4 vs 9.9%, P 

  18. Ramadas A, Quek KF, Chan CK, Oldenburg B, Hussein Z
    BMC Public Health, 2011;11:359.
    PMID: 21599990 DOI: 10.1186/1471-2458-11-359
    The potential of web-based interventions in dietary behaviour modification of the diabetics has not been fully explored. We describe the protocol of a 12-month match-design randomised controlled trial of a web-based dietary intervention for type 2 diabetic patients with primary aim to evaluate the effect of the intervention on their dietary knowledge, attitude and behaviour (KAB). The secondary objective of this study is to improve the participants' dietary practices, physical measurements and biomarkers.
  19. Tan TH, Lee BN, Amir Hassan SZ, Ch'ng ES, Hussein Z
    Nucl Med Mol Imaging, 2012 Dec;46(4):300-3.
    PMID: 24900078 DOI: 10.1007/s13139-012-0160-x
    Ectopic thyroid or thyroid ectopia is a rare developmental anomaly with the prevalence of 1 per 100,000-300,000 population. Even rarer, such an anomaly manifests as dual thyroid ectopia. To our best knowledge, only one case has been reported on dual thyroid ectopia with Graves' disease in the English literature. We present here a case of dual thyroid ectopia complicated by Graves' disease, whereby the diagnosis was rendered through judicious use of various diagnostic modalities coupled with a close clinical follow-up. In this case, therapeutic consideration should be personalized with proper informed consent of the patient.
  20. Loganadan NK, Huri HZ, Vethakkan SR, Hussein Z
    Pharmacogenomics J, 2016 06;16(3):209-19.
    PMID: 26810132 DOI: 10.1038/tpj.2015.95
    The clinical response to sulphonylurea, an oral antidiabetic agent often used in combination with metformin to control blood glucose in type 2 diabetes (T2DM) patients, has been widely associated with a number of gene polymorphisms, particularly those involved in insulin release. We have reviewed the genetic markers of CYP2C9, ABCC8, KCNJ11, TCF7L2 (transcription factor 7-like 2), IRS-1 (insulin receptor substrate-1), CDKAL1, CDKN2A/2B, KCNQ1 and NOS1AP (nitric oxide synthase 1 adaptor protein) genes that predict treatment outcomes of sulphonylurea therapy. A convincing pattern for poor sulphonylurea response was observed in Caucasian T2DM patients with rs7903146 and rs1801278 polymorphisms of the TCF7L2 and IRS-1 genes, respectively. However, limitations in evaluating the available studies including dissimilarities in study design, definitions of clinical end points, sample sizes and types and doses of sulphonylureas used as well as ethnic variability make the clinical applications challenging. Future studies need to address these limitations to develop personalized sulphonylurea medicine for T2DM management.
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