Effects of empagliflozin on erythropoiesis in patients with type 2 diabetes: Data from a randomized, placebo‐controlled study

Sodium‐glucose cotransporter‐2 (SGLT2) inhibitors have been shown to significantly reduce hospitalization for heart failure (HHF) and cardiovascular (CV) mortality in various CV outcome trials in patients with and without type 2 diabetes mellitus (T2D). SGLT2 inhibition further increased haemoglobin...

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Veröffentlicht in:Diabetes, obesity & metabolism obesity & metabolism, 2021-12, Vol.23 (12), p.2814-2818
Hauptverfasser: Thiele, Kirsten, Rau, Matthias, Hartmann, Niels‐Ulrik K., Möllmann, Julia, Jankowski, Joachim, Böhm, Michael, Keszei, András P., Marx, Nikolaus, Lehrke, Michael
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container_issue 12
container_start_page 2814
container_title Diabetes, obesity & metabolism
container_volume 23
creator Thiele, Kirsten
Rau, Matthias
Hartmann, Niels‐Ulrik K.
Möllmann, Julia
Jankowski, Joachim
Böhm, Michael
Keszei, András P.
Marx, Nikolaus
Lehrke, Michael
description Sodium‐glucose cotransporter‐2 (SGLT2) inhibitors have been shown to significantly reduce hospitalization for heart failure (HHF) and cardiovascular (CV) mortality in various CV outcome trials in patients with and without type 2 diabetes mellitus (T2D). SGLT2 inhibition further increased haemoglobin and haematocrit levels by an as yet unknown mechanism, and this increase has been shown to be an independent predictor of the CV benefit of these agents, for example, in the EMPA‐REG OUTCOME trial. The present analysis of the EMPA haemodynamic study examined the early and delayed effects of empagliflozin treatment on haemoglobin and haematocrit levels, in addition to measures of erythropoiesis and iron metabolism, to better understand the underlying mechanisms. In this prospective, placebo‐controlled, double‐blind, randomized, two‐arm parallel, interventional and exploratory study, 44 patients with T2D were randomized into two groups and received empagliflozin 10 mg or placebo for a period of 3 months in addition to their concomitant medication. Blood and urine was collected at baseline, on Day 1, on Day 3 and after 3 months of treatment to investigate effects on haematological variables, erythropoietin concentrations and indices of iron stores. Baseline characteristics were comparable in the empagliflozin (n = 20) and placebo (n = 22) group. Empagliflozin led to a significant increase in urinary glucose excretion (baseline: 7.3 ± 22.7 g/24 h; Day 1: 48.4 ± 34.7 g/24 h; P 
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SGLT2 inhibition further increased haemoglobin and haematocrit levels by an as yet unknown mechanism, and this increase has been shown to be an independent predictor of the CV benefit of these agents, for example, in the EMPA‐REG OUTCOME trial. The present analysis of the EMPA haemodynamic study examined the early and delayed effects of empagliflozin treatment on haemoglobin and haematocrit levels, in addition to measures of erythropoiesis and iron metabolism, to better understand the underlying mechanisms. In this prospective, placebo‐controlled, double‐blind, randomized, two‐arm parallel, interventional and exploratory study, 44 patients with T2D were randomized into two groups and received empagliflozin 10 mg or placebo for a period of 3 months in addition to their concomitant medication. Blood and urine was collected at baseline, on Day 1, on Day 3 and after 3 months of treatment to investigate effects on haematological variables, erythropoietin concentrations and indices of iron stores. Baseline characteristics were comparable in the empagliflozin (n = 20) and placebo (n = 22) group. Empagliflozin led to a significant increase in urinary glucose excretion (baseline: 7.3 ± 22.7 g/24 h; Day 1: 48.4 ± 34.7 g/24 h; P &lt; 0.001) as well as urinary volume (baseline: 1740 ± 601 mL/24 h; Day 1: 2112 ± 837 mL/24 h; P = 0.011) already after 1 day and throughout the 3‐month study period, while haematocrit and haemoglobin were only increased after 3 months of treatment (haematocrit: baseline: 40.6% ± 4.6%; Month 3: 42.2% ±  4.8%, P &lt; 0.001; haemoglobin: baseline: 136 ± 19 g/L; Month 3: 142 ± 25 g/L; P = 0.008). In addition, after 3 months, empagliflozin further increased red blood cell count (P &lt; 0.001) and transferrin concentrations (P = 0.063) and there was a trend toward increased erythropoietin levels (P = 0.117), while ferritin (P = 0.017), total iron (P = 0.053) and transferrin saturation levels (P = 0.030) decreased. Interestingly, the increase in urinary glucose excretion significantly correlated with the induction of erythropoietin in empagliflozin‐treated patients at the 3‐month timepoint (Spearman rho 0.64; P = 0.008). Empagliflozin increased haemoglobin concentrations and haematocrit with a delayed time kinetic, which was most likely attributable to increased erythropoiesis with augmented iron utilization and not haemoconcentration. This might be attributable to reduced tubular glucose reabsorption in response to SGLT2 inhibition, possibly resulting in diminished cellular stress as a mechanism for increased renal erythropoietin secretion.</description><identifier>ISSN: 1462-8902</identifier><identifier>EISSN: 1463-1326</identifier><identifier>DOI: 10.1111/dom.14517</identifier><identifier>PMID: 34378852</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>antidiabetic drug ; Antidiabetics ; Benzhydryl Compounds - therapeutic use ; cardiovascular disease ; Cardiovascular diseases ; Cellular stress response ; clinical trial ; Clinical trials ; Congestive heart failure ; Diabetes ; Diabetes mellitus (non-insulin dependent) ; Diabetes Mellitus, Type 2 - complications ; Diabetes Mellitus, Type 2 - drug therapy ; empagliflozin ; Erythrocytes ; Erythropoiesis ; Erythropoietin ; Excretion ; Ferritin ; Glucose ; Glucosides ; Heart failure ; Hematocrit ; Hemoglobin ; Humans ; Hypoglycemic Agents - therapeutic use ; Iron ; Patients ; Placebos ; Prospective Studies ; Reabsorption ; SGLT2 inhibitor ; Sodium-glucose cotransporter ; Sodium-Glucose Transporter 2 Inhibitors - therapeutic use ; Transferrins</subject><ispartof>Diabetes, obesity &amp; metabolism, 2021-12, Vol.23 (12), p.2814-2818</ispartof><rights>2021 The Authors. published by John Wiley &amp; Sons Ltd.</rights><rights>2021 The Authors. Diabetes, Obesity and Metabolism published by John Wiley &amp; Sons Ltd.</rights><rights>2021. This article is published under http://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3537-a6ea18dfb82d1640225e363a303e5d991aba974fd0157686faeb5d20d96e011d3</citedby><cites>FETCH-LOGICAL-c3537-a6ea18dfb82d1640225e363a303e5d991aba974fd0157686faeb5d20d96e011d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fdom.14517$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fdom.14517$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34378852$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Thiele, Kirsten</creatorcontrib><creatorcontrib>Rau, Matthias</creatorcontrib><creatorcontrib>Hartmann, Niels‐Ulrik K.</creatorcontrib><creatorcontrib>Möllmann, Julia</creatorcontrib><creatorcontrib>Jankowski, Joachim</creatorcontrib><creatorcontrib>Böhm, Michael</creatorcontrib><creatorcontrib>Keszei, András P.</creatorcontrib><creatorcontrib>Marx, Nikolaus</creatorcontrib><creatorcontrib>Lehrke, Michael</creatorcontrib><title>Effects of empagliflozin on erythropoiesis in patients with type 2 diabetes: Data from a randomized, placebo‐controlled study</title><title>Diabetes, obesity &amp; metabolism</title><addtitle>Diabetes Obes Metab</addtitle><description>Sodium‐glucose cotransporter‐2 (SGLT2) inhibitors have been shown to significantly reduce hospitalization for heart failure (HHF) and cardiovascular (CV) mortality in various CV outcome trials in patients with and without type 2 diabetes mellitus (T2D). SGLT2 inhibition further increased haemoglobin and haematocrit levels by an as yet unknown mechanism, and this increase has been shown to be an independent predictor of the CV benefit of these agents, for example, in the EMPA‐REG OUTCOME trial. The present analysis of the EMPA haemodynamic study examined the early and delayed effects of empagliflozin treatment on haemoglobin and haematocrit levels, in addition to measures of erythropoiesis and iron metabolism, to better understand the underlying mechanisms. In this prospective, placebo‐controlled, double‐blind, randomized, two‐arm parallel, interventional and exploratory study, 44 patients with T2D were randomized into two groups and received empagliflozin 10 mg or placebo for a period of 3 months in addition to their concomitant medication. Blood and urine was collected at baseline, on Day 1, on Day 3 and after 3 months of treatment to investigate effects on haematological variables, erythropoietin concentrations and indices of iron stores. Baseline characteristics were comparable in the empagliflozin (n = 20) and placebo (n = 22) group. Empagliflozin led to a significant increase in urinary glucose excretion (baseline: 7.3 ± 22.7 g/24 h; Day 1: 48.4 ± 34.7 g/24 h; P &lt; 0.001) as well as urinary volume (baseline: 1740 ± 601 mL/24 h; Day 1: 2112 ± 837 mL/24 h; P = 0.011) already after 1 day and throughout the 3‐month study period, while haematocrit and haemoglobin were only increased after 3 months of treatment (haematocrit: baseline: 40.6% ± 4.6%; Month 3: 42.2% ±  4.8%, P &lt; 0.001; haemoglobin: baseline: 136 ± 19 g/L; Month 3: 142 ± 25 g/L; P = 0.008). In addition, after 3 months, empagliflozin further increased red blood cell count (P &lt; 0.001) and transferrin concentrations (P = 0.063) and there was a trend toward increased erythropoietin levels (P = 0.117), while ferritin (P = 0.017), total iron (P = 0.053) and transferrin saturation levels (P = 0.030) decreased. Interestingly, the increase in urinary glucose excretion significantly correlated with the induction of erythropoietin in empagliflozin‐treated patients at the 3‐month timepoint (Spearman rho 0.64; P = 0.008). Empagliflozin increased haemoglobin concentrations and haematocrit with a delayed time kinetic, which was most likely attributable to increased erythropoiesis with augmented iron utilization and not haemoconcentration. This might be attributable to reduced tubular glucose reabsorption in response to SGLT2 inhibition, possibly resulting in diminished cellular stress as a mechanism for increased renal erythropoietin secretion.</description><subject>antidiabetic drug</subject><subject>Antidiabetics</subject><subject>Benzhydryl Compounds - therapeutic use</subject><subject>cardiovascular disease</subject><subject>Cardiovascular diseases</subject><subject>Cellular stress response</subject><subject>clinical trial</subject><subject>Clinical trials</subject><subject>Congestive heart failure</subject><subject>Diabetes</subject><subject>Diabetes mellitus (non-insulin dependent)</subject><subject>Diabetes Mellitus, Type 2 - complications</subject><subject>Diabetes Mellitus, Type 2 - drug therapy</subject><subject>empagliflozin</subject><subject>Erythrocytes</subject><subject>Erythropoiesis</subject><subject>Erythropoietin</subject><subject>Excretion</subject><subject>Ferritin</subject><subject>Glucose</subject><subject>Glucosides</subject><subject>Heart failure</subject><subject>Hematocrit</subject><subject>Hemoglobin</subject><subject>Humans</subject><subject>Hypoglycemic Agents - therapeutic use</subject><subject>Iron</subject><subject>Patients</subject><subject>Placebos</subject><subject>Prospective Studies</subject><subject>Reabsorption</subject><subject>SGLT2 inhibitor</subject><subject>Sodium-glucose cotransporter</subject><subject>Sodium-Glucose Transporter 2 Inhibitors - therapeutic use</subject><subject>Transferrins</subject><issn>1462-8902</issn><issn>1463-1326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>EIF</sourceid><recordid>eNp10c1OFjEUBuCGaADRBTdgmriRhIH-TDtTdwZQSTBsdD3pTE-lpDMd207IsJFL8Bq9EgsfuCCxmzbNkzfn5EVon5IjWs6xCeMRrQVtttAurSWvKGfyxcObVa0ibAe9SumaEFLzttlGO7zmTdsKtot-nVkLQ044WAzjrH94Z324dRMOE4a45qsY5uAguYTL56yzg6nwG5evcF5nwAwbp3vIkD7gU501tjGMWOOopzKXuwVziGevB-jDn7vfQ5hyDN6DwSkvZn2NXlrtE7x5vPfQ909n306-VBeXn89PPl5UAxe8qbQETVtj-5YZKmvCmAAuueaEgzBKUd1r1dTWECoa2UqroReGEaMkEEoN30PvN7lzDD8XSLkbXRrAez1BWFLHhCRMKSZYoe-e0euwxKlMV5SquWwb1RR1sFFDDClFsN0c3ajj2lHS3bfSle27h1aKffuYuPQjmH_yqYYCjjfgxnlY_5_UnV5-3UT-Bd6hmEk</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Thiele, Kirsten</creator><creator>Rau, Matthias</creator><creator>Hartmann, Niels‐Ulrik K.</creator><creator>Möllmann, Julia</creator><creator>Jankowski, Joachim</creator><creator>Böhm, Michael</creator><creator>Keszei, András P.</creator><creator>Marx, Nikolaus</creator><creator>Lehrke, Michael</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>WIN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7TK</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>202112</creationdate><title>Effects of empagliflozin on erythropoiesis in patients with type 2 diabetes: Data from a randomized, placebo‐controlled study</title><author>Thiele, Kirsten ; Rau, Matthias ; Hartmann, Niels‐Ulrik K. ; Möllmann, Julia ; Jankowski, Joachim ; Böhm, Michael ; Keszei, András P. ; Marx, Nikolaus ; Lehrke, Michael</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3537-a6ea18dfb82d1640225e363a303e5d991aba974fd0157686faeb5d20d96e011d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>antidiabetic drug</topic><topic>Antidiabetics</topic><topic>Benzhydryl Compounds - therapeutic use</topic><topic>cardiovascular disease</topic><topic>Cardiovascular diseases</topic><topic>Cellular stress response</topic><topic>clinical trial</topic><topic>Clinical trials</topic><topic>Congestive heart failure</topic><topic>Diabetes</topic><topic>Diabetes mellitus (non-insulin dependent)</topic><topic>Diabetes Mellitus, Type 2 - complications</topic><topic>Diabetes Mellitus, Type 2 - drug therapy</topic><topic>empagliflozin</topic><topic>Erythrocytes</topic><topic>Erythropoiesis</topic><topic>Erythropoietin</topic><topic>Excretion</topic><topic>Ferritin</topic><topic>Glucose</topic><topic>Glucosides</topic><topic>Heart failure</topic><topic>Hematocrit</topic><topic>Hemoglobin</topic><topic>Humans</topic><topic>Hypoglycemic Agents - therapeutic use</topic><topic>Iron</topic><topic>Patients</topic><topic>Placebos</topic><topic>Prospective Studies</topic><topic>Reabsorption</topic><topic>SGLT2 inhibitor</topic><topic>Sodium-glucose cotransporter</topic><topic>Sodium-Glucose Transporter 2 Inhibitors - therapeutic use</topic><topic>Transferrins</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thiele, Kirsten</creatorcontrib><creatorcontrib>Rau, Matthias</creatorcontrib><creatorcontrib>Hartmann, Niels‐Ulrik K.</creatorcontrib><creatorcontrib>Möllmann, Julia</creatorcontrib><creatorcontrib>Jankowski, Joachim</creatorcontrib><creatorcontrib>Böhm, Michael</creatorcontrib><creatorcontrib>Keszei, András P.</creatorcontrib><creatorcontrib>Marx, Nikolaus</creatorcontrib><creatorcontrib>Lehrke, Michael</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Wiley Free Content</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health &amp; 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SGLT2 inhibition further increased haemoglobin and haematocrit levels by an as yet unknown mechanism, and this increase has been shown to be an independent predictor of the CV benefit of these agents, for example, in the EMPA‐REG OUTCOME trial. The present analysis of the EMPA haemodynamic study examined the early and delayed effects of empagliflozin treatment on haemoglobin and haematocrit levels, in addition to measures of erythropoiesis and iron metabolism, to better understand the underlying mechanisms. In this prospective, placebo‐controlled, double‐blind, randomized, two‐arm parallel, interventional and exploratory study, 44 patients with T2D were randomized into two groups and received empagliflozin 10 mg or placebo for a period of 3 months in addition to their concomitant medication. Blood and urine was collected at baseline, on Day 1, on Day 3 and after 3 months of treatment to investigate effects on haematological variables, erythropoietin concentrations and indices of iron stores. Baseline characteristics were comparable in the empagliflozin (n = 20) and placebo (n = 22) group. Empagliflozin led to a significant increase in urinary glucose excretion (baseline: 7.3 ± 22.7 g/24 h; Day 1: 48.4 ± 34.7 g/24 h; P &lt; 0.001) as well as urinary volume (baseline: 1740 ± 601 mL/24 h; Day 1: 2112 ± 837 mL/24 h; P = 0.011) already after 1 day and throughout the 3‐month study period, while haematocrit and haemoglobin were only increased after 3 months of treatment (haematocrit: baseline: 40.6% ± 4.6%; Month 3: 42.2% ±  4.8%, P &lt; 0.001; haemoglobin: baseline: 136 ± 19 g/L; Month 3: 142 ± 25 g/L; P = 0.008). In addition, after 3 months, empagliflozin further increased red blood cell count (P &lt; 0.001) and transferrin concentrations (P = 0.063) and there was a trend toward increased erythropoietin levels (P = 0.117), while ferritin (P = 0.017), total iron (P = 0.053) and transferrin saturation levels (P = 0.030) decreased. Interestingly, the increase in urinary glucose excretion significantly correlated with the induction of erythropoietin in empagliflozin‐treated patients at the 3‐month timepoint (Spearman rho 0.64; P = 0.008). Empagliflozin increased haemoglobin concentrations and haematocrit with a delayed time kinetic, which was most likely attributable to increased erythropoiesis with augmented iron utilization and not haemoconcentration. This might be attributable to reduced tubular glucose reabsorption in response to SGLT2 inhibition, possibly resulting in diminished cellular stress as a mechanism for increased renal erythropoietin secretion.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>34378852</pmid><doi>10.1111/dom.14517</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects antidiabetic drug
Antidiabetics
Benzhydryl Compounds - therapeutic use
cardiovascular disease
Cardiovascular diseases
Cellular stress response
clinical trial
Clinical trials
Congestive heart failure
Diabetes
Diabetes mellitus (non-insulin dependent)
Diabetes Mellitus, Type 2 - complications
Diabetes Mellitus, Type 2 - drug therapy
empagliflozin
Erythrocytes
Erythropoiesis
Erythropoietin
Excretion
Ferritin
Glucose
Glucosides
Heart failure
Hematocrit
Hemoglobin
Humans
Hypoglycemic Agents - therapeutic use
Iron
Patients
Placebos
Prospective Studies
Reabsorption
SGLT2 inhibitor
Sodium-glucose cotransporter
Sodium-Glucose Transporter 2 Inhibitors - therapeutic use
Transferrins
title Effects of empagliflozin on erythropoiesis in patients with type 2 diabetes: Data from a randomized, placebo‐controlled study
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