Displaying publications 21 - 40 of 67 in total

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  1. Kalra S, Kamaruddin NA, Visvanathan J, Santani R
    Eur Endocrinol, 2019 Aug;15(2):67-69.
    PMID: 31616495 DOI: 10.17925/EE.2019.15.2.67
    This communication shares insights into the definition of disease progression and drug durability in type 2 diabetes. Disease progression may be defined as gradual worsening of beta-cell function, clinically observed as an increase in drug dosage, drug frequency or number of glucose lowering drugs needed to maintain HbA1c control; and/or a ≥0.5% rise in HbA1c, unexplained by acute, modifiable factors, while using the same drug regimen; and/or as the occurrence or worsening of cardiovascular or microvascular complications, in spite of standard care, over a pre-specified time period. Durability of a drug or a drug combination may be defined as its ability to postpone or delay progression of disease, in a safe and well tolerated manner. Thus, all drugs that are able to prevent disease progression (i.e., postpone loss of glycaemic control, need for intensification of therapy or onset or worsening of complications) may be termed 'durable'.
  2. Abdul Ghani R, Zainudin S, Kamaruddin NA, Kong NC
    Singapore Med J, 2009 Jan;50(1):e32-4.
    PMID: 19224067
    Drug-induced acute interstitial nephritis is a well-recognised and important reversible cause of acute renal failure. Peroxisome-proliferator activated receptor-gamma agonists, such as rosiglitazone, have been proven to be safe in chronic kidney disease patients. We describe a 65-year-old man with long-standing diabetes mellitus and hypertension, presenting with a five-day history of fluid overload and uraemic symptoms. There was no ingestion of analgesics, alternative medicine and other nephrotoxic drugs, the only new prescription being rosiglitazone, which was commenced during his last clinic follow-up two weeks prior to presentation. He required haemodialysis with minimal improvement in renal profile, despite cessation of the offending drug. Renal biopsy revealed findings consistent with acute interstitial nephritis. An episode of upper gastrointestinal bleeding with bleeding duodenal ulcer limited the use of steroids. He was treated with a course of mycophenolate mofetil which showed good gradual response and he remained stable with residual renal impairment.
  3. Kang W, Singarayar C, Wahab NA, Sukor N, Kamaruddin NA
    J ASEAN Fed Endocr Soc, 2019;34(1):95-98.
    PMID: 33442143 DOI: 10.15605/jafes.034.01.15
    An adrenal mass can be a diagnostic challenge as it is not easy to differentiate the adrenal glands from other adrenal pseudotumours with only radio-imaging. We report a 28-year-old patient who was diagnosed radiologically as an adrenal cortical carcinoma after he presented with abdominal pain and fullness. Biochemically, he demonstrated secondary hyperaldosteronism. Intra-operatively there was a huge mass, inferior to a normal right adrenal, which was histopathologically proven to be a dedifferentiated liposarcoma.
  4. Firouzi S, Mohd-Yusof BN, Majid HA, Ismail A, Kamaruddin NA
    PMID: 26654906 DOI: 10.1186/s12906-015-0952-5
    The beneficial effect of probiotics on renal profile and liver function has been reported among patients with chronic kidney disease and fatty liver respectively. However, its effect on renal profile and liver function among type 2 diabetic individuals has not been fully understood. To investigate the effect of microbial cell preparation on renal profile and liver function tests among type 2 diabetic individuals.
  5. Ghani RA, Shyam S, Arshad F, Wahab NA, Chinna K, Safii NS, et al.
    Nutr Diabetes, 2014;4:e107.
    PMID: 24535618 DOI: 10.1038/nutd.2014.5
    Post-gestational diabetes mellitus (GDM) women are recommended weight loss to manage increased cardio-metabolic risks. We investigated the effects of lowering diet glycaemic index (GI) on fasting blood glucose (FBG), serum lipids, body weight and composition of post-GDM women with varying fasting insulin levels (INS). Seventy-seven Asian, non-diabetic women with previous GDM (aged 20-40 years, mean BMI: 26.4±4.6 kg m(-2)) were recruited. At baseline, 20 subjects with INS <2 μIU ml(-1) and 18 with INS 2 μIU ml(-1) received conventional dietary recommendations (CHDR) only. CHDR emphasised energy and fat intake restriction and encouraged increase in dietary fibre intakes. Twenty-four subjects with INS <2 μIU ml(-1) and 15 with INS 2 μIU ml(-1), in addition to CHDR, received low-GI education (LGI). Changes in FBG, serum lipids, body weight and body composition were evaluated. Subjects with INS <2 μIU ml(-1) had similar outcomes with both diets. After 1 year, subjects with INS 2 μIU ml(-1) who received LGI education had reductions in FBG and triglycerides. Subjects who received CHDR observed increase in both FBG and triglycerides (P<0.05). Among all subjects, diet GI was lower and dietary fibre intakes were higher in LGI compared with CHDR subjects (all P<0.05). Thus, in Asian post-GDM women with normal/higher INS, adding low-GI education to CHDR improved management of FBG and triglycerides.
  6. Mohd Yusof BN, Firouzi S, Mohd Shariff Z, Mustafa N, Mohamed Ismail NA, Kamaruddin NA
    Int J Food Sci Nutr, 2014 Mar;65(2):144-50.
    PMID: 24517860 DOI: 10.3109/09637486.2013.845652
    This review aims to evaluate the effectiveness of low glycemic index (GI) dietary intervention for the treatment of gestational diabetes mellitus (GDM), specifically from the Asian perspective. A systematic review of the literature using multiple databases without time restriction was conducted. Three studies were retrieved based upon a priori inclusion criteria. While there was a trend towards improvement, no significant differences were observed in overall glycemic control and pregnancy outcomes in GDM women. However, a tendency for lower birth weight and birth centile if the intervention began earlier was noted. Low GI diets were well accepted and had identical macro-micronutrient compositions as the control diets. However, due to genetic, environment and especially food pattern discrepancies between Western countries and Asians, these results may not be contributed to Asian context. Clearly, there are limited studies focusing on the effect of low GI dietary intervention in women with GDM, particularly in Asia.
  7. Nor Azlin MI, Adam R, Sufian SS, Wahab NA, Mustafa N, Kamaruddin NA, et al.
    J Obstet Gynaecol Res, 2011 Feb;37(2):132-7.
    PMID: 21159037 DOI: 10.1111/j.1447-0756.2010.01330.x
    AIM: To evaluate the safety and tolerability of once or twice daily neutral protamine hagedorn (NPH) insulin in fasting pregnant diabetics during Ramadan.
    METHODS: This was a prospective cohort study conducted during Ramadan 2006 and 2007. Twenty four pregnant diabetic women were given NPH insulin once at 5 pm or twice daily at 5 pm and 5 am. Demographic data, blood glucose control, insulin requirement, days of fasting and hypoglycemic episodes were analyzed.
    RESULTS: Most women were parity 1 (37.5%) in their second trimester (54.2%) and worked during the daytime (87.5%). Fourteen women (58.3%) had gestational diabetes mellitus, nine women (37.5%) had type 2 and one (4.2%) had type 1 diabetes mellitus. There were significant reductions in mean fasting blood glucose (6.16 mmol/L versus 5.34 mmol/L, P = 0.001), glycosylated hemoglobin (HbA1c) (6.70% ± 0.91 versus 6.64% ± 0.96, P = 0.001) and serum fructosamine (232.4 mmol/L ± 24.0 versus 217.0 mmol/L ± 24.3, P = 0.001) after Ramadan compared to before Ramadan. Throughout the four weeks of Ramadan, home blood glucose monitoring showed a reducing trend and was within the acceptable limits. Insulin requirement was increased from the first to the fourth week with a reduction in insulin dose noted after (38.5 U/day) compared to before the start of Ramadan (40 U/day). Most women (79.2%) were able to fast for more than 15 days without any hypoglycemia or fetal demise.
    CONCLUSION: Once or twice daily NPH insulin is a safe and tolerable option for pregnant diabetics who wish to fast during Ramadan.
  8. Yusof BN, Talib RA, Kamaruddin NA, Karim NA, Chinna K, Gilbertson H
    Diabetes Obes Metab, 2009 Apr;11(4):387-96.
    PMID: 19175374 DOI: 10.1111/j.1463-1326.2008.00984.x
    AIMS: The aim of this study is to compare the efficacy of low glycaemic index (GI) vs. conventional carbohydrate exchange (CCE) dietary advice on glycaemic control and metabolic parameters in patients with type 2 diabetes.
    METHODS: A total of 104 patients with type 2 diabetes were randomly assigned to either a low GI (GI) or CCE dietary advice over a 12-week period. The primary end-point was glycaemic control as assessed by glycated haemoglobin A1c (HbA1c), fructosamine level and plasma glucose. The secondary end-points were anthropometric measurements and metabolic parameters that include blood pressure, lipid profile and insulin levels. The oral antidiabetic medications remained unchanged throughout the duration of the study.
    RESULTS: A low-GI diet was associated with significant changes in the fructosamine level (DeltaGI = -0.20 +/- 0.03; DeltaCCE = -0.08 +/- 0.03 mmol/l, p < 0.01) and waist circumference (DeltaGI group = -1.88 +/- 0.30 cm; DeltaCCE group: -0.36 +/- 0.4 cm, p < 0.05) at week 4. At week 12, the changes in fasting glucose (DeltaGI = -0.03 +/- 0.3; DeltaCCE = 0.7 +/- 0.3 mmol/l; p < 0.05) and waist circumference (DeltaGI = -2.35 +/- 0.47 cm; DeltaCCE group = -0.66 +/- 0.46 cm; p < 0.05) in the GI group was significantly lower than the CCE group. With the low-GI diet, the changes in postprandial glycaemia at time 0, 60, 150 and 180 min after consuming the standard test meal was lower than with the CCE diet (p < 0.05). No significant differences were found between the groups for the remaining parameters that were measured.
    CONCLUSIONS: Use of a low-GI diet resulted in significant changes of serum fructosamine level, plasma glucose and waist circumference in Asian patients with type 2 diabetes over a 12-week period compared with those following a CCE diet. The effect on HbA1c and other metabolic parameters was not significantly different between the two study groups but the improvement within the GI group was more pronounced and of clinical benefit.
  9. Mirhosseini NZ, Shahar S, Ghayour-Mobarhan M, Banihashem A, Kamaruddin NA, Hatef MR, et al.
    J. Bone Miner. Metab., 2013 Jul;31(4):468-76.
    PMID: 23475127 DOI: 10.1007/s00774-013-0433-1
    Thalassemia and the blood transfusion complications associated with it predispose children to poor bone health. This study was conducted to determine the prevalence of bone-related abnormalities and identify the bone health predictors within this population. One hundred and forty transfusion-dependent beta thalassemic subjects 8-18 years old in Mashhad, Iran, participated in this cross-sectional study. Anthropometric measures, dietary intake, bone-related biomarkers and bone densitometry, were assessed. The incidence of underweight and short stature was 33.6 and 41.4 %, respectively, which were indicators of malnutrition among thalassemic subjects in this study. Low bone density was detected in the lumbar spine and femoral region in 82 and 52 % of subjects, respectively. Hypocalcemia and hypophosphatemia were seen in 22 and 18.2 %, whilst vitamin D deficiency was present in more than 85 % of thalassemic children and adolescents. The relationships between weight, height and other anthropometric indices, serum calcium and bone markers, intake of macronutrients, zinc and vitamin E with bone mineral density (BMD) and bone mineral content (BMC) in the lumbar spine and femoral area were positively related, indicating that better nutritional status were associated with higher BMD and BMC values. Puberty, gender and serum osteocalcin were negative predictors for BMD and BMC values, whereas age, weight and height were the positive predictors. High incidence of low bone density and deficit in other aspects of bone health among thalassemia patients makes routine bone health assessment necessary for this vulnerable group. Considering influencing factors, dietary counseling and preventive supplementation therapy for this high risk group of children and adolescents may be necessary, although this should be assessed by intervention studies.
  10. Noradilah MJ, Ang YN, Kamaruddin NA, Deurenberg P, Ismail MN, Poh BK
    Asia Pac J Public Health, 2016 Jul;28(5 Suppl):74S-84S.
    PMID: 27073201 DOI: 10.1177/1010539516641505
    This study aims to validate skinfold (SKF) and bioelectrical impedance analysis (BIA) against dual-energy X-ray absorptiometry (DXA) in determining body fat percentage (BF%) of Malay children aged 7 to 11 years. A total of 160 children had their BF% assessed using SKF and BIA, with DXA as the criterion method. Four SKF equations (SKFBray, SKFJohnston, SKFSlaughter, and SKFGoran) and 4 BIA equations (BIAManufacturer, BIAHoutkooper, BIARush, and BIAKushner) were used to estimate BF%. Mean age, weight, and height were 9.4 ± 1.1years, 30.5 ± 9.9 kg, and 131.3 ± 8.4 cm. All equations significantly underestimated BF% (P < .05). BIA equations had reasonable agreement with DXA and were independent of BF% with BIAManufacturer being the best equation. Although BIA underestimates BF% as compared with DXA, BIA was more suitable to measure BF% in a population that is similar to this study sample than SKF, suggesting a need to develop new SKF equations that are population specific.
  11. Firouzi S, Majid HA, Ismail A, Kamaruddin NA, Barakatun-Nisak MY
    Eur J Nutr, 2017 Jun;56(4):1535-1550.
    PMID: 26988693 DOI: 10.1007/s00394-016-1199-8
    AIM: Evidence of a possible connection between gut microbiota and several physiological processes linked to type 2 diabetes is increasing. However, the effect of multi-strain probiotics in people with type 2 diabetes remains unclear. This study investigated the effect of multi-strain microbial cell preparation-also refers to multi-strain probiotics-on glycemic control and other diabetes-related outcomes in people with type 2 diabetes.

    DESIGN: A randomized, double-blind, parallel-group, controlled clinical trial.

    SETTING: Diabetes clinic of a teaching hospital in Kuala Lumpur, Malaysia.

    PARTICIPANTS: A total of 136 participants with type 2 diabetes, aged 30-70 years, were recruited and randomly assigned to receive either probiotics (n = 68) or placebo (n = 68) for 12 weeks.

    OUTCOMES: Primary outcomes were glycemic control-related parameters, and secondary outcomes were anthropomorphic variables, lipid profile, blood pressure and high-sensitivity C-reactive protein. The Lactobacillus and Bifidobacterium quantities were measured before and after intervention as an indicator of successful passage of the supplement through gastrointestinal tract.

    STATISTICAL ANALYSIS: Intention-to-treat (ITT) analysis was performed on all participants, while per-protocol (PP) analysis was performed on those participants who had successfully completed the trial with good compliance rate.

    RESULTS: With respect to primary outcomes, glycated hemoglobin decreased by 0.14 % in the probiotics and increased by 0.02 % in the placebo group in PP analysis (p 

  12. Chong KH, Poh BK, Jamil NA, Kamaruddin NA, Deurenberg P
    Biomed Res Int, 2015;2015:232876.
    PMID: 25922831 DOI: 10.1155/2015/232876
    Aim. To validate a radial quantitative ultrasound (QUS) system with dual energy X-ray absorptiometry (DXA), a criterion technique in bone status assessment among children. Methods. Bone health was evaluated using a radial QUS system (Sunlight Omnisense 8000P) to measure the speed of sound (SOS) at one-third distal radius of the nondominant hand and DXA (Hologic QDR) was used to assess whole body bone mineral density (BMD). Results. Some 29.9% of the children were grossly misclassified according to quartiles of BMD and radial SOS. Poor agreement was observed between Z-scores of radial SOS and whole-body BMD (mean difference = 0.6 ± 0.9; 95% limits of agreement = -1.4 to 2.6). With a cut-off value of -1.0, radial SOS yielded satisfactory sensitivity (80%) and specificity (93%) for the detection of children with low BMD. Conclusion. The observed poor agreement in the present study suggests that radial QUS and DXA are not comparable and hence are not interchangeable in evaluating bone status of the children.
  13. Robert SA, Rohana AG, Shah SA, Chinna K, Wan Mohamud WN, Kamaruddin NA
    Obes Res Clin Pract, 2015 May-Jun;9(3):301-4.
    PMID: 25870084 DOI: 10.1016/j.orcp.2015.03.005
    We examined the effects of liraglutide, a glucagon-like peptide-1 analogue on appetite and plasma ghrelin in non-diabetic obese participants with subclinical binge eating (BE). Forty-four obese BE participants (mean age: 34±9 years, BMI: 35.9±4.2kg/m(2)) were randomly assigned to intervention or control groups for 12 weeks. All participants received standard advice for diet and exercise. Binge eating score, ghrelin levels and other anthropometric variables were evaluated at baseline and at the end of the study. Participants who received liraglutide showed significant improvement in binge eating, accompanied by reduction in body weight, BMI, waist circumference, systolic blood pressure, fasting glucose and total cholesterol. Ghrelin levels were significantly increased which may potentially diminish the weight loss effects of liraglutide beyond the intervention.
  14. Wahab NA, Chien BH, Omar MR, Aziz AA, Mustafa N, Sukor N, et al.
    Acta Med Indones, 2021 Jan;53(1):77-81.
    PMID: 33818409
    Co-occurrence of cyanotic congenital heart disease (CCHD) and phaeochromocytoma (PCC) and paraganglioma (PGL) are rare, although some cases have been reported. We report a case of left paraganglioma in a 20-year-old lady with an underlying CCHD who underwent palliative Glenn shunt, subsequently developed polycythaemia and cavernous sinus thrombosis presented with palpitation, sweating, headache and hypertension of 3-months duration at the age of 17. The abdominal CT scan revealed an enhancing left paraaortic mass measuring 5.2 cm x 4.4 cm x 3.8 cm. A 24-hour urine catecholamine demonstrated raised noradrenaline level to six times upper limit of normal and hence diagnosis of left sympathetic (sPGL) was made. In view of the delayed diagnosis and significant morbidity associated with her condition, surgical treatment is no longer an option. Therefore, vigilant screening and early treatment of PCC-PGL in patients with CCHD are crucial in order to avoid significant morbidity and ensure a good quality of life.
  15. Wan Seman WJ, Kori N, Rajoo S, Othman H, Mohd Noor N, Wahab NA, et al.
    Diabetes Obes Metab, 2016 06;18(6):628-32.
    PMID: 26889911 DOI: 10.1111/dom.12649
    The aim of the present study was to assess the hypoglycaemia risk and safety of dapagliflozin compared with sulphonylurea during the fasting month of Ramadan. In this 12-week, randomized, open-label, two-arm parallel group study, 110 patients with type 2 diabetes who were receiving sulphonylurea and metformin were randomized either to receive 10 mg (n = 58) of dapagliflozin daily or to continue receiving sulphonylurea (n = 52). The primary outcome was to compare the effects of dapagliflozin and sulphonylurea on the proportions of patients with at least one episode of hypoglycaemia during Ramadan, as well as to assess the safety of dapagliflozin when used to treat patients observing Ramadan. A lower proportion of patients had reported or documented hypoglycaemia in the dapagliflozin group than in the sulphonylurea group: 4 (6.9%) versus 15 (28.8%); p = 0.002. The relative risk of any reported or documented hypoglycaemia in the 4th week of Ramadan was significantly lower in the dapagliflozin group: RR=0.24, 95%CI: 0.09, 0.68; p=0.002. No significance differences were observed between the two groups regarding postural hypotension (13.8 vs 3.8%; p = 0.210) or urinary tract infections (10.3 vs 3.8%; p = 0.277). In conclusion, fewer patients exhibited hypoglycaemia in the dapagliflozin group than in the sulphonylurea group.
  16. Saif-Ali R, Harun R, Kamaruddin NA, Al-Jassabi S, Ngah WZ
    Biochem Genet, 2012 Apr;50(3-4):298-308.
    PMID: 21983932 DOI: 10.1007/s10528-011-9472-2
    This study investigated the association of hepatocyte nuclear factor 4 (HNF4) alpha single nucleotide polymorphisms (SNPs) with type 2 diabetes with or without metabolic syndrome in Malaysia. Nine HNF4 alpha SNPs were genotyped in 390 type 2 diabetic subjects with metabolic syndrome, 135 type 2 diabetic subjects without metabolic syndrome, and 160 control subjects. The SNPs rs4810424, rs1884613, and rs2144908 were associated with protection against type 2 diabetes without metabolic syndrome (recessive P = 0.018, OR 0.32; P = 0.004, OR 0.25; P = 0.005, OR 0.24, respectively). The 6-SNP haplotype2 CCCGTC containing the risk genotype of these SNPs was associated with higher risk for type 2 diabetes with or without metabolic syndrome (P = 0.002, OR 2.2; P = 0.004, OR 3.1). These data suggest that HNF4 alpha SNPs and haplotypes contributed to increased type 2 diabetes risk in the Malaysian population.
  17. Nor Azlin MI, Nor NA, Sufian SS, Mustafa N, Jamil MA, Kamaruddin NA
    Acta Obstet Gynecol Scand, 2007;86(4):407-8.
    PMID: 17486460
  18. Wahab NA, Zainudin S, AbAziz A, Mustafa N, Sukor N, Kamaruddin NA
    Arch Iran Med, 2016 Sep;19(9):671-3.
    PMID: 27631184 DOI: 0161909/AIM.0012
    Adrenal cell carcinoma is a rare tumor and more than 70% of patients present with advanced stages. Adrenal cell carcinoma is an aggressive tumor with a poor prognosis. Surgical intervention is the gold standard treatment and mitotane is the only drug approved for the treatment of adrenal cell carcinoma. Until recently in 2012, the etoposide, doxorubicin, cisplatin plus mitotane are approved as first-line therapy based on response rate and progression-free survival. This case illustrates a case of advanced adrenal cell carcinoma in a young girl who presented with huge adrenal mass with inferior vena cava thrombosis and pulmonary embolism. Multi-approach of therapy was used to control the tumor size and metastasis. Therefore, it may prolong her survival rate for up to 5 years and 4 months.
  19. Teng Chai S, Haydar Ali Tajuddin A, A Wahab N, Mustafa N, Sukor N, Kamaruddin NA
    Int J Endocrinol Metab, 2018 Jul;16(3):e65233.
    PMID: 30214461 DOI: 10.5812/ijem.65233
    Introduction: Ketoconazole has long been the first-line medical therapy for controlling hypercortisolism secondary to either pituitary or adrenal pathology. However, it is largely unavailable in most countries. As a result, we have turned to fluconazole as a viable alternative in view of its favourable safety profile.

    Case Presentation: A 50-year-old lady developed recurrent Cushing's disease after being in remission following transsphenoidal surgery (TSS) for a left pituitary microadenoma 16 years ago. The repeat MRI showed a right pituitary microadenoma (1.7 mm × 1.3 mm) for which she underwent a second TSS. However, she continued to have persistent hypercortisolism despite repeated MRIs showing absence of tumour recurrence. She refused bilateral adrenalectomy and external radiotherapy. Ketoconazole was commenced at 200 mg twice daily for disease control but this was hindered by intolerable side effects including pruritus and skin exfoliation. In the meantime, she suffered a right hypertensive basal ganglia hemorrhage. Treatment was subsequently switched to cabergoline and the dose titrated to 0.5 mg daily. Fluconazole 400 mg daily was later added to control the persistent disease. Her clinical and biochemical parameters improved markedly three months after the addition of fluconazole. No adverse event was reported. Her disease has remained stable for the last 15 months up until the time of the recent clinic review.

    Conclusions: This case demonstrates the long-term efficacy of fluconazole in tandem with cabergoline for the control of recurrent Cushing's disease.

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