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Singh Ospina N, Diaz-Thomas A, McDonnell ME, Demay MB, Pittas AG, York E, Corrigan MD, Lash RW, Brito JP, Murad MH, McCartney CR. Navigating Complexities: Vitamin D, Skin Pigmentation, and Race. J Clin Endocrinol Metab 2024; 109:1955-1960. [PMID: 38828960 PMCID: PMC11244154 DOI: 10.1210/clinem/dgae314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Indexed: 06/05/2024]
Abstract
Vitamin D plays a critical role in many physiological functions, including calcium metabolism and musculoskeletal health. This commentary aims to explore the intricate relationships among skin complexion, race, and 25-hydroxyvitamin D (25[OH]D) levels, focusing on challenges the Endocrine Society encountered during clinical practice guideline development. Given that increased melanin content reduces 25(OH)D production in the skin in response to UV light, the guideline development panel addressed the potential role for 25(OH)D screening in individuals with dark skin complexion. The panel discovered that no randomized clinical trials have directly assessed vitamin D related patient-important outcomes based on participants' skin pigmentation, although race and ethnicity often served as presumed proxies for skin pigmentation in the literature. In their deliberations, guideline panel members and selected Endocrine Society leaders underscored the critical need to distinguish between skin pigmentation as a biological variable and race and ethnicity as socially determined constructs. This differentiation is vital to maximize scientific rigor and, thus, the validity of resulting recommendations. Lessons learned from the guideline development process emphasize the necessity of clarity when incorporating race and ethnicity into clinical guidelines. Such clarity is an essential step toward improving health outcomes and ensuring equitable healthcare practices.
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Affiliation(s)
- Naykky Singh Ospina
- Division of Endocrinology, University of Florida, Gainesville, FL 32610, USA
| | - Alicia Diaz-Thomas
- Division of Pediatric Endocrinology, Department of Pediatrics, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Marie E McDonnell
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Marie B Demay
- Endocrine Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Anastassios G Pittas
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Tufts Medical Center, Boston, MA 02111, USA
| | | | | | | | - Juan P Brito
- Division of Diabetes, Endocrinology, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - M Hassan Murad
- Mayo Clinic, Evidence-Based Practice Center, Rochester, MN 55905, USA
| | - Christopher R McCartney
- Division of Endocrinology and Metabolism, Department of Medicine, West Virginia University, Morgantown, WV 26506, USA
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McCartney CR, McDonnell ME, Corrigan MD, Lash RW. Vitamin D Insufficiency and Epistemic Humility: An Endocrine Society Guideline Communication. J Clin Endocrinol Metab 2024; 109:1948-1954. [PMID: 38828961 DOI: 10.1210/clinem/dgae322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Indexed: 06/05/2024]
Abstract
A long-held precept is that vitamin D supplementation primarily, if not exclusively, benefits individuals with low circulating 25-hydroxyvitamin D (25[OH]D) concentrations at baseline. However, the most appropriate 25(OH)D threshold to distinguish unacceptably low vs reliably adequate concentrations remains controversial. Such threshold proposals have largely been based on observational studies, which provide less robust evidence compared to randomized clinical trials (RCTs). Since the Endocrine Society's first vitamin D-related guideline was published in 2011, several large vitamin D-related RCTs have been published, and a newly commissioned guideline development panel (GDP) prioritized 4 clinical questions related to the benefits and harms of vitamin D supplementation in generally healthy individuals with 25(OH)D levels below a threshold. The GDP determined that available clinical trial evidence does not permit the establishment of 25(OH)D thresholds that specifically predict meaningful benefit with vitamin D supplementation. The panel noted important limitations in the available evidence, and the panel's overall certainty in the available evidence was very low. Nonetheless, based on the GDP's analyses and judgments, the Endocrine Society no longer endorses its previously proposed definition of vitamin D "sufficiency" (ie, at least 30 ng/mL [75 nmol/L]) or its previously proposed definition of vitamin D "insufficiency" (ie, greater than 20 ng/mL [50 nmol/L] but lower than 30 ng/mL [75 nmol/L]). The Endocrine Society's rationale for such is the subject of this Guideline Communication.
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Affiliation(s)
- Christopher R McCartney
- Division of Endocrinology and Metabolism, Department of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Marie E McDonnell
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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Fuleihan GEH, Drake MT. Commentary on the endocrine society clinical practice guideline on the "treatment of hypercalcemia of malignancy in adults". Metabolism 2023; 143:155553. [PMID: 37028591 DOI: 10.1016/j.metabol.2023.155553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/21/2023] [Accepted: 03/28/2023] [Indexed: 04/09/2023]
Affiliation(s)
- Ghada El-Hajj Fuleihan
- Calcium Metabolism and Osteoporosis Program, World Health Organization Collaborating Center for Metabolic Bone Disorders, American University of Beirut, Beirut 1107 2020, Lebanon.
| | - Matthew T Drake
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55902, USA
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Seisa MO, Nayfeh T, Hasan B, Firwana M, Saadi S, Mushannen A, Shah SH, Rajjoub NS, Farah MH, Prokop LJ, Wang Z, Fuleihan GEH, Drake MT, Murad MH. A Systematic Review Supporting the Endocrine Society Clinical Practice Guideline on the Treatment of Hypercalcemia of Malignancy in Adults. J Clin Endocrinol Metab 2023; 108:585-591. [PMID: 36545700 DOI: 10.1210/clinem/dgac631] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Indexed: 12/24/2022]
Abstract
CONTEXT Hypercalcemia is a common complication of malignancy that is associated with high morbidity and mortality. OBJECTIVE To support development of the Endocrine Society Clinical Practice Guideline for the treatment of hypercalcemia of malignancy in adults. METHODS We searched multiple databases for studies that addressed 8 clinical questions prioritized by a guideline panel from the Endocrine Society. Quantitative and qualitative synthesis was performed. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to assess certainty of evidence. RESULTS We reviewed 1949 citations, from which we included 21 studies. The risk of bias for most of the included studies was moderate. A higher proportion of patients who received bisphosphonate achieved resolution of hypercalcemia when compared to placebo. The incidence rate of adverse events was significantly higher in the bisphosphonate group. Comparing denosumab to bisphosphonate, there was no significant difference in the rate of patients who achieved resolution of hypercalcemia. Two-thirds of patients with refractory/recurrent hypercalcemia of malignancy who received denosumab following bisphosphonate therapy achieved resolution of hypercalcemia. Addition of calcitonin to bisphosphonate therapy did not affect the resolution of hypercalcemia, time to normocalcemia, or hypocalcemia. Only indirect evidence was available to address questions on the management of hypercalcemia in tumors associated with high calcitriol levels, refractory/recurrent hypercalcemia of malignancy following the use of bisphosphonates, and the use of calcimimetics in the treatment of hypercalcemia associated with parathyroid carcinoma. The certainty of the evidence to address all 8 clinical questions was low to very low. CONCLUSION The evidence summarized in this systematic review addresses the benefits and harms of treatments of hypercalcemia of malignancy. Additional information about patients' values and preferences, and other important decisional and contextual factors is needed to facilitate the development of clinical recommendations.
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Affiliation(s)
- Mohamed O Seisa
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Tarek Nayfeh
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Bashar Hasan
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Mohammed Firwana
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Samer Saadi
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Ahmed Mushannen
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Sahrish H Shah
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Noora S Rajjoub
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Magdoleen H Farah
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | | | - Zhen Wang
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Ghada El-Hajj Fuleihan
- Calcium Metabolism and Osteoporosis Program, American University of Beirut, Beirut, Lebanon
| | - Matthew T Drake
- Division of Endocrinology, Diabetes and Metabolism, Mayo Clinic, Rochester, MN 55902, USA
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Torres Roldan VD, Urtecho M, Nayfeh T, Firwana M, Muthusamy K, Hasan B, Abd-Rabu R, Maraboto A, Qoubaitary A, Prokop L, Lieb DC, McCall AL, Wang Z, Murad MH. A Systematic Review Supporting the Endocrine Society Guidelines: Management of Diabetes and High Risk of Hypoglycemia. J Clin Endocrinol Metab 2023; 108:592-603. [PMID: 36477885 DOI: 10.1210/clinem/dgac601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Indexed: 12/12/2022]
Abstract
CONTEXT Interventions targeting hypoglycemia in people with diabetes are important for improving quality of life and reducing morbidity and mortality. OBJECTIVE To support development of the Endocrine Society Clinical Practice Guideline for management of individuals with diabetes at high risk for hypoglycemia. METHODS We searched several databases for studies addressing 10 questions provided by a guideline panel from the Endocrine Society. Meta-analysis was conducted when feasible. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology was used to assess certainty of evidence. RESULTS We included 149 studies reporting on 43 344 patients. Continuous glucose monitoring (CGM) reduced episodes of severe hypoglycemia in patients with type 1 diabetes (T1D) and reduced the proportion of patients with hypoglycemia (blood glucose [BG] levels <54 mg/dL). There were no data on use of real-time CGM with algorithm-driven insulin pumps vs multiple daily injections with BG testing in people with T1D. CGM in outpatients with type 2 diabetes taking insulin and/or sulfonylureas reduced time spent with BG levels under 70 mg/dL. Initiation of CGM in hospitalized patients at high risk for hypoglycemia reduced episodes of hypoglycemia with BG levels lower than 54 mg/dL and time spent under 54 mg/dL. The proportion of patients with hypoglycemia with BG levels lower than 70 mg/dL and lower than 54 mg/dL detected by CGM was significantly higher than point-of-care BG testing. We found no data evaluating continuation of personal CGM in the hospital. Use of an inpatient computerized glycemic management program utilizing electronic health record data was associated with fewer patients with and episodes of hypoglycemia with BG levels lower than 70 mg/dL and fewer patients with severe hypoglycemia compared with standard care. Long-acting basal insulin analogs were associated with less hypoglycemia. Rapid-acting insulin analogs were associated with reduced severe hypoglycemia, though there were more patients with mild to moderate hypoglycemia. Structured diabetes education programs reduced episodes of severe hypoglycemia and time below 54 mg/dL in outpatients taking insulin. Glucagon formulations not requiring reconstitution were associated with longer times to recovery from hypoglycemia, although the proportion of patients who recovered completely from hypoglycemia was not different between the 2 groups. CONCLUSION This systematic review summarized the best available evidence about several interventions addressing hypoglycemia in people with diabetes. This evidence base will facilitate development of clinical practice guidelines by the Endocrine Society.
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Affiliation(s)
| | - Meritxell Urtecho
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Tarek Nayfeh
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Mohammed Firwana
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | | | - Bashar Hasan
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Rami Abd-Rabu
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
| | - Andrea Maraboto
- Knowledge and Evaluation Research Unit, Department of Medicine, Mayo Clinic, Rochester, MN 55902, USA
| | - Amjad Qoubaitary
- College of Arts and Science, University of San Francisco, San Francisco, CA 94117, USA
| | - Larry Prokop
- Department of Library Services, Mayo Clinic, Rochester, MN 55902, USA
| | - David C Lieb
- Division of Endocrine and Metabolic Disorders, Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, VA 23501-1980, USA
| | - Anthony L McCall
- Division of Endocrinology and Metabolism, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Zhen Wang
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55902, USA
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Korytkowski MT, Muniyappa R, Donihi AC, Drincic AT, Hirsch IB, McDonnell ME, Murad MH, Nielsen C, Rushakoff RJ. Response to Letter to the Editor From Banerjee and Mondal: "Management of Hyperglycemia in Hospitalized Adult Patients in Noncritical Care Settings: An Endocrine Society Clinical Practice Guideline". J Clin Endocrinol Metab 2022; 107:e4276-e4277. [PMID: 35962778 PMCID: PMC9757531 DOI: 10.1210/clinem/dgac479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Indexed: 11/19/2022]
Affiliation(s)
- Mary T Korytkowski
- University of Pittsburgh, Division of Endocrinology, Diabetes and Metabolism, Pittsburgh, PA 15213, Bethesda, MD 20892,USA
| | - Ranganath Muniyappa
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Amy C Donihi
- University of Pittsburgh, Division of Endocrinology, Diabetes and Metabolism, Pittsburgh, PA 15213, Bethesda, MD 20892,USA
| | - Andjela T Drincic
- University of Nebraska Medical Center, Division of Diabetes, Endocrinology and Metabolism, Omaha, NE 68198, USA
| | - Irl B Hirsch
- University of Washington Diabetes Institute, Seattle, WA 98109, USA
| | - Marie E McDonnell
- Division of Diabetes, Endocrinology and Hypertension, Brigham and Women's Hospital, and Harvard Medical School, Boston MA, USA
| | - M Hassan Murad
- Mayo Clinic Evidence-Based Practice Center, Rochester, MN 55905, USA
| | - Craig Nielsen
- Division of Internal Medicine and Geriatrics, Cleveland Clinic Lerner College of Medicine, Cleveland, OH 44195, USA
| | - Robert J Rushakoff
- University of California, Department of Medicine, Division of Endocrinology and Metabolism, CA 94143, San Francisco
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