Publications by authors named "Pei C Eng"

Objective: To provide an updated synthesis on effects of glucagon-like peptide 1 receptor agonists (GLP-1 RAs) on weight, BMI, and waist circumference incorporating newer randomized controlled trials (RCTs), particularly in individuals with overweight or obesity.

Research Design And Methods: We systematically searched PubMed, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) for RCTs published from inception to 4 October 2024. The search was limited to RCTs evaluating the use of GLP-1 RAs for mean differences from baseline in weight, BMI, and waist circumference in adults with obesity or overweight with or without diabetes.

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Ischemic stroke is a major cause of mortality and disability and has become a significant public health concern among women. Overall, women have more ischemic stroke events than men, in part due to their longer life span, and also suffer from more severe stroke-related disabilities compared to men. Women are also more likely than men to present with atypical non-focal neurological symptoms, potentially leading to delayed diagnosis and treatment.

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Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are increasingly used for anti-obesity indications. However, little is known of the comparative effect of GLP-1 RAs and their glycemic impact across the different routes of administration, diabetic statuses and durations of prescription. PubMed, EMBASE and CENTRAL were searched from inception to 13 February 2024.

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Aims: Women with gestational diabetes (GDM) have increased lifetime risk of developing diabetes. We aim to determine the factors contributing to poor adherence of the postpartum oral glucose tolerance test (OGTT) and identify key predictors to postpartum dysglycaemia in our Asian cohort.

Methods: We conducted a retrospective cohort study of women with high-risk GDM (n = 561).

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Introduction: Glucagon-like peptide-1 receptor agonists are novel medications with proven efficacy in treating type 2 diabetes mellitus, and are increasingly being used for weight loss. They may potentially have benefit in treating metabolic disorders; however, evidence is sparse with regards to treating high blood pressure (BP). We performed a systematic review, meta-analysis and meta-regression investigating the efficacy of GLP-1 RAs in lowering BP in obese or overweight patients.

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Objective: No studies have investigated the predictors of an adequate cortisol response to the short synacthen test (SST) and the appropriateness of patient selection for SST in the Southeast Asian population. The aim of our study is to investigate the predictors and indications of SSTs and concondance of SSTs conducted with outcomes.

Methods: This is a retrospective study investigating all SSTs performed over a year in a tertiary center.

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Gestational diabetes (GDM), defined as glucose intolerance during pregnancy, affects one in six pregnancies globally and significantly increases a woman's lifetime risk of type 2 diabetes mellitus (T2DM). Being a relatively young group, women with GDM are also at higher risk of developing diabetes related complications (e.g.

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Article Synopsis
  • Current methods for assessing glucocorticoid status mainly rely on clinical evaluations and serum cortisol levels, which might not fully reflect an individual’s actual glucocorticoid health, especially with less extreme variations.
  • The review explores alternative assessment methods, including metabolomic profiles and novel biomarkers like micro RNA and gene expression, which could offer better insights into individual glucocorticoid status beyond just cortisol measurements.
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Non-alcoholic fatty liver disease (NAFLD) is a major cause of liver disease worldwide, affecting up to 30% of adults. Progression to non-alcoholic steatohepatitis (NASH) is a key risk factor for cirrhosis, hepatocellular carcinoma and cardiovascular events. Alterations in reproductive hormones are linked to the development and/or progression of NAFLD/NASH in women.

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Obesity-related hypogonadotropic hypogonadism is a well-characterized condition in men (termed male obesity-related secondary hypogonadism; MOSH); however, an equivalent condition has not been as clearly described in women. The prevalence of polycystic ovary syndrome (PCOS) is known to increase with obesity, but PCOS is more typically characterized by increased gonadotropin-releasing hormone (GnRH) (and by proxy luteinizing hormone; LH) pulsatility, rather than by the reduced gonadotropin levels observed in MOSH. Notably, LH levels and LH pulse amplitude are reduced with obesity, both in women with and without PCOS, suggesting that an obesity-related secondary hypogonadism may also exist in women akin to MOSH in men.

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Background: Free ionized calcium (Ca) is the biologically active component of total calcium (TCa) and hence responsible for its biological action. TCa is routinely adjusted for albumin using several formulae (e.g.

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Context: Prohormone convertase 1/3 (PC1/3), encoded by protein convertase subtilisin kexin type 1 (PCSK1), converts inactive prohormones into biologically active peptides. Somatic mutations of insulinomas are associated with genetic defects interfering with control of insulin secretion from pancreatic beta cells. However, somatic mutations in proinsulinomas have not been described.

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Context: Limited data exist regarding whether the endocrine response to the gonadotropin-releasing hormone receptor agonist (GnRHa) triptorelin differs in women with polycystic ovary syndrome (PCOS) compared with healthy women or those with hypothalamic amenorrhea (HA).

Objective: We compared the gonadotropin response to triptorelin in healthy women, women with PCOS, or those with HA without ovarian stimulation, and in women with or without polycystic ovaries undergoing oocyte donation cycles after ovarian stimulation.

Methods: The change in serum gonadotropin levels was determined in (1) a prospective single-blinded placebo-controlled study to determine the endocrine profile of triptorelin (0.

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Background: Delayed puberty in males is almost invariably associated with constitutional delay of growth and puberty (CDGP) or congenital hypogonadotrophic hypogonadism (CHH). Establishing the cause at presentation is challenging, with "red flag" features of CHH commonly overlooked. Thus, several markers have been evaluated in both the basal state or after stimulation e.

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BACKGROUNDHypoactive sexual desire disorder (HSDD) is characterized by a persistent deficiency of sexual fantasies and desire for sexual activity, causing marked distress and interpersonal difficulty. It is the most prevalent female sexual health problem globally, affecting approximately 10% of women, but has limited treatment options. Melanocortin 4 receptor (MC4R) agonists have emerged as a promising therapy for women with HSDD, through unknown mechanisms.

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Article Synopsis
  • - The study investigates the relationship between kisspeptin levels and antenatal complications like hypertensive disorders, fetal growth restriction, gestational diabetes, and preterm birth, analyzing data from 105 women with complications and 265 with normal pregnancies.
  • - Findings show that kisspeptin levels vary by condition: higher levels in hypertensive disorders and lower in fetal growth restriction during the third trimester, suggesting a potential link to placental function.
  • - The results indicate kisspeptin could serve as a biomarker for antenatal complications, highlighting the need for further research to understand its clinical implications.
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Objective: To compare the performance of kisspeptin and beta human chorionic gonadotropin (βhCG), both alone and in combination, as biomarkers for miscarriage throughout the first trimester.

Design: Prospective, nested case-control study.

Setting: Tertiary Centre, Queen Charlotte Hospital, London, United Kingdom.

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Background: Hypogonadotropic hypogonadism (HH) is hypogonadism due to either hypothalamic or pituitary dysfunction. While gonadotropin-releasing hormone (GnRH) can directly test pituitary function, no specific test of hypothalamic function exists. Kisspeptin-54 (KP54) is a neuropeptide that directly stimulates hypothalamic GnRH release and thus could be used to specifically interrogate hypothalamic function.

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BACKGROUNDKisspeptin is a key regulator of hypothalamic gonadotropin-releasing hormone (GnRH) neurons and is essential for reproductive health. A specific kisspeptin receptor (KISS1R) agonist could significantly expand the potential clinical utility of therapeutics targeting the kisspeptin pathway. Herein, we investigate the effects of a KISS1R agonist, MVT-602, in healthy women and in women with reproductive disorders.

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Context: The effects of COVID-19 on the thyroid axis remain uncertain. Recent evidence has been conflicting, with both thyrotoxicosis and suppression of thyroid function reported.

Objective: We aimed to detail the acute effects of COVID-19 on thyroid function and determine if these effects persisted on recovery from COVID-19.

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Graves' disease is the commonest cause of hyperthyroidism in populations with sufficient dietary iodine intake. Anti-thyroid drugs (ATD) are often used as the initial treatment for Graves' hyperthyroidism, however there is a paucity of data relating the dose of ATD therapy to the effect on thyroid hormone levels, increasing the risk of both over- and under-treatment. We aimed to determine the pharmacodynamic response to the ATD carbimazole.

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