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Articles by S. C. Loke
Total Records ( 2 ) for S. C. Loke
  A. Al-Shookri , G. L. Khor , Y. M. Chan , S. C. Loke and M. Al-Maskari
  Aims  In this randomized controlled trial we evaluated the effectiveness of medical nutritional therapy on Arab patients with Type 2 diabetes in Oman delivered by a dietitian.

Methods  Patients with Type 2 diabetes (n = 170) were randomly assigned to a group receiving usual nutritional care (n = 85) or a group receiving practice guidelines nutritional care (n = 85). Anthropometric (weight, height, BMI and waist circumference) and biochemical (fasting blood glucose, HbA1c) variables were measured at baseline and after each appointment. Patients were given 1-3 appointments with a dietitian over 6 months.

Results  Those in the group receiving practice guidelines nutritional care (n = 85) had significant changes in HbA1c (−0.8%, P = 0.001), fasting plasma glucose (−1.3 mmol\l, P = 0.003) and weight (−5.1 kg, P = 0.05), whereas the patients in the usual nutritional care group (= 85) had no significant improvements in either HbA1c (−0.4%, P = 0.248) or fasting plasma glucose (−0.2 mmol/l, P = 0.638) during the same period. We also found a significant difference between the group receiving practice guidelines nutritional care and the usual nutritional care group, respectively, in waist circumference (96.9 ± 7.9 vs. 100.0 ± 8.7 cm, P = 0.019), triglycerides levels (1.42 ± 0.58 vs. 1.98 ± 0.96 mmol\l, P = 0.001), cholesterol levels (5.1 ± 1.0 vs. 5.5 ± 0.9 mmol/l, P = 0.009) and LDL cholesterol levels (3.58 ± 0.98 vs. 3.89 ± 0.98 mmol/l, P = 0.046).

Conclusions  Medical nutrition therapy provided by dietitians to Arab patients with Type 2 diabetes in Oman resulted in significant improvements in anthropometric and biochemical outcomes in both the usual nutritional care group and the group receiving practice guidelines nutritional care. Subjects with Type 2 diabetes tended to do better with practice guidelines nutritional care than with usual nutritional care. Ongoing medical counselling in nutrition by a trained dietitian is important for better long-term metabolic control.

  C. P. Ooi and S. C. Loke


Colesevelam, a second-generation bile acid sequestrant, may be beneficial in controlling both glycaemia and lipids simultaneously. Our goal was to evaluate the systemic effects of colesevelam on Type 2 diabetes mellitus.


The original Cochrane review was conducted using the methodology for the systematic review of interventions of the Cochrane Collaboration in RevMan 5.2. We comprehensively searched the literature in several databases up to January 2012. Two reviewing authors independently selected and extracted the data, and then evaluated the quality of the randomized controlled trials that met the inclusion criteria.


Six randomized controlled trials were selected, which ranged from 8 to 26 weeks in duration. A total of 1450 participants were divided into two groups: those treated with colesevelam and no other anti-diabetic drug treatments/placebo, or with colesevelam added on to anti-diabetic drug treatments. The colesevelam added on to anti-diabetic agents demonstrated a statistically significant reduction in the fasting blood glucose (mean difference of -0.82 mmol/l, 95% CI -1.2 to -0.44), HbA1c (mean difference -0.5%, 95% CI -0.6 to -0.4) and LDL cholesterol (mean difference -0.34 mmol/l, 95% CI -0.44 to -0.23). There were no reported data on weight. Non-severe hypoglycaemic episodes were infrequently observed.


The limited number of studies concerning the treatment with colesevelam added to anti-diabetic agents showed significant effects on glycaemic control; however, more research on the reduction of cardiovascular risks is required. Furthermore, long-term data on the health-related quality of life and all-cause mortality also need to be investigated.

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