4.7 Article

Early Metabolic Benefits of Switching Hydrocortisone to Modified Release Hydrocortisone in Adult Adrenal Insufficiency

期刊

FRONTIERS IN ENDOCRINOLOGY
卷 12, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fendo.2021.641247

关键词

adrenal insufficiency; modified-release hydrocortisone; metabolism; hydrocortisone; fat mass

资金

  1. Shire International GmbH
  2. Takeda company [IST-GBR-000735]
  3. NIHR Academic Clinical Fellowship

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This study compared the metabolic effects of modified release hydrocortisone (MR-HC) and standard hydrocortisone (HC) therapies in adults with Adrenal Insufficiency. The results showed that switching to MR-HC for 3 months led to significant reductions in fat mass, increases in Sleeping Metabolic Rate (SMR), and significant decreases in body fat percentage. Other measures of body composition, energy expenditure, and biochemical analytes were found to be equivalent between HC and MR-HC assessments.
Purpose To compare metabolic effects of modified release hydrocortisone (MR-HC) with standard hydrocortisone (HC) therapies in adults with Adrenal Insufficiency (AI). Methods Adult patients (n = 12) with AI, established on HC therapy, were recruited from Endocrinology clinics at University Hospitals Coventry and Warwickshire (UHCW), UK. Baseline (HC) metabolic assessments included fasting serum HbA1C, lipid and thyroid profiles, accurate measures of body composition (BodPod), and 24-h continuous measures of energy expenditure including Sleeping Metabolic Rate (SMR) using indirect calorimetry within the Human Metabolism Research Unit, UHCW. All participants then switched HC to MR-HC with repeat (MR-HC) metabolic assessments at 3 months. Paired-sample t-tests were used for data comparisons between HC and MR-HC assessments: P-value Results Following exclusion of 2 participants, analyses were based on 10 participants. Compared with baseline HC data, following 3 months of MR-HC therapy mean fat mass reduced significantly by -3.2 kg (95% CI: -6.0 to -0.4). Mean (SD) baseline HC fat mass vs repeat MR-HC fat mass: 31.9 kg (15.2) vs 28.7 kg (12.8) respectively, P = 0.03. Mean SMR increased significantly by +77 kcal/24 h (95% CI: 10-146). Mean (SD) baseline HC SMR vs repeat MR-HC SMR: 1,517 kcal/24 h (301) vs 1,594 kcal/24 h (344) respectively, P = 0.03. Mean body fat percentage reduced significantly by -3.4% (95% CI: -6.5 to -0.2). Other measures of body composition, energy expenditure, and biochemical analytes were equivalent between HC and MR-HC assessments. Conclusions In adults with AI, switching from standard HC to MR-HC associates with early metabolic benefits of reduced fat mass and increased SMR.

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