Linagliptin improves endothelial function in patients with type 2 diabetes: A randomized study of linagliptin effectiveness on endothelial function

Aims/Introduction The present multicenter, prospective, controlled, open and randomized three‐arm parallel study was designed to compare the effects of linagliptin with those of metformin on endothelial function. Materials and Methods Type 2 diabetes patients treated with 750 mg of metformin (hemogl...

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Veröffentlicht in:Journal of diabetes investigation 2017-05, Vol.8 (3), p.330-340
Hauptverfasser: Shigiyama, Fumika, Kumashiro, Naoki, Miyagi, Masahiko, Iga, Ryo, Kobayashi, Yuka, Kanda, Eiichiro, Uchino, Hiroshi, Hirose, Takahisa
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container_issue 3
container_start_page 330
container_title Journal of diabetes investigation
container_volume 8
creator Shigiyama, Fumika
Kumashiro, Naoki
Miyagi, Masahiko
Iga, Ryo
Kobayashi, Yuka
Kanda, Eiichiro
Uchino, Hiroshi
Hirose, Takahisa
description Aims/Introduction The present multicenter, prospective, controlled, open and randomized three‐arm parallel study was designed to compare the effects of linagliptin with those of metformin on endothelial function. Materials and Methods Type 2 diabetes patients treated with 750 mg of metformin (hemoglobin A1c ≥6.0% and
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Materials and Methods Type 2 diabetes patients treated with 750 mg of metformin (hemoglobin A1c ≥6.0% and &lt;8.0%, n = 96) were randomized to continue metformin 750 mg/day (control group, n = 29), metformin at 1,500 mg/day (metformin group, n = 26) and metformin 750 mg/day supplemented with linagliptin 5 mg/day (linagliptin add‐on group, n = 29) and treated for 16 weeks. Vascular endothelial function was evaluated by flow‐mediated dilation. The primary end‐point was changes in flow‐mediated dilation at 16 weeks relative to baseline. Results Linagliptin significantly improved flow‐mediated dilation from baseline (4.9 ± 2.7%) to 16 weeks (6.3 ± 2.7%, P &lt; 0.05), whereas the other groups did not show any changes. Hemoglobin A1c at 16 weeks was significantly lower in the metformin and linagliptin add‐on groups compared with the control (6.6 ± 0.6%, 6.5 ± 0.5% and 7.0 ± 0.6%, respectively). Single and multiple regression analyses showed that apolipoprotein B correlated significantly with change in flow‐mediated dilation, and apolipoprotein B was decreased only in the linagliptin add‐on group (–6.0 ± 11.3 mg/dL, P &lt; 0.01). Conclusions Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. Linagliptin has a protective role on endothelial function in patients with type 2 diabetes with moderate hyperglycemia. Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. Linagliptin has a protective role on endothelial function in patients with type 2 diabetes with moderate hyperglycemia.</description><identifier>ISSN: 2040-1116</identifier><identifier>EISSN: 2040-1124</identifier><identifier>DOI: 10.1111/jdi.12587</identifier><identifier>PMID: 27868359</identifier><language>eng</language><publisher>Japan: John Wiley &amp; Sons, Inc</publisher><subject>Aged ; Apolipoprotein B ; Apolipoproteins ; Cardiovascular Diseases - complications ; Cardiovascular Diseases - drug therapy ; Clinical Trial ; Diabetes ; Diabetes mellitus ; Diabetes Mellitus, Type 2 - complications ; Endothelial function ; Female ; Hemoglobin ; Humans ; Hyperglycemia ; Hypoglycemic Agents - therapeutic use ; Linagliptin ; Linagliptin - therapeutic use ; Low density lipoprotein ; Male ; Metformin ; Metformin - therapeutic use ; Middle Aged ; Prospective Studies ; Treatment Outcome ; Type 2 diabetes</subject><ispartof>Journal of diabetes investigation, 2017-05, Vol.8 (3), p.330-340</ispartof><rights>2016 The Authors. Journal of Diabetes Investigation published by Asian Association for the Study of Diabetes (AASD) and John Wiley &amp; Sons Australia, Ltd</rights><rights>2016 The Authors. Journal of Diabetes Investigation published by Asian Association for the Study of Diabetes (AASD) and John Wiley &amp; Sons Australia, Ltd.</rights><rights>2017. This work is published under http://creativecommons.org/licenses/by-nc-nd/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-c5797-e1d216c70df3ba611a44d3838f5b0236ac551df06b08ea992ee5d8f979574f5f3</citedby><cites>FETCH-LOGICAL-c5797-e1d216c70df3ba611a44d3838f5b0236ac551df06b08ea992ee5d8f979574f5f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5415473/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5415473/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,1411,11541,27901,27902,45550,45551,46027,46451,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27868359$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Shigiyama, Fumika</creatorcontrib><creatorcontrib>Kumashiro, Naoki</creatorcontrib><creatorcontrib>Miyagi, Masahiko</creatorcontrib><creatorcontrib>Iga, Ryo</creatorcontrib><creatorcontrib>Kobayashi, Yuka</creatorcontrib><creatorcontrib>Kanda, Eiichiro</creatorcontrib><creatorcontrib>Uchino, Hiroshi</creatorcontrib><creatorcontrib>Hirose, Takahisa</creatorcontrib><title>Linagliptin improves endothelial function in patients with type 2 diabetes: A randomized study of linagliptin effectiveness on endothelial function</title><title>Journal of diabetes investigation</title><addtitle>J Diabetes Investig</addtitle><description>Aims/Introduction The present multicenter, prospective, controlled, open and randomized three‐arm parallel study was designed to compare the effects of linagliptin with those of metformin on endothelial function. Materials and Methods Type 2 diabetes patients treated with 750 mg of metformin (hemoglobin A1c ≥6.0% and &lt;8.0%, n = 96) were randomized to continue metformin 750 mg/day (control group, n = 29), metformin at 1,500 mg/day (metformin group, n = 26) and metformin 750 mg/day supplemented with linagliptin 5 mg/day (linagliptin add‐on group, n = 29) and treated for 16 weeks. Vascular endothelial function was evaluated by flow‐mediated dilation. The primary end‐point was changes in flow‐mediated dilation at 16 weeks relative to baseline. Results Linagliptin significantly improved flow‐mediated dilation from baseline (4.9 ± 2.7%) to 16 weeks (6.3 ± 2.7%, P &lt; 0.05), whereas the other groups did not show any changes. Hemoglobin A1c at 16 weeks was significantly lower in the metformin and linagliptin add‐on groups compared with the control (6.6 ± 0.6%, 6.5 ± 0.5% and 7.0 ± 0.6%, respectively). Single and multiple regression analyses showed that apolipoprotein B correlated significantly with change in flow‐mediated dilation, and apolipoprotein B was decreased only in the linagliptin add‐on group (–6.0 ± 11.3 mg/dL, P &lt; 0.01). Conclusions Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. Linagliptin has a protective role on endothelial function in patients with type 2 diabetes with moderate hyperglycemia. Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. 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Iga, Ryo ; Kobayashi, Yuka ; Kanda, Eiichiro ; Uchino, Hiroshi ; Hirose, Takahisa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5797-e1d216c70df3ba611a44d3838f5b0236ac551df06b08ea992ee5d8f979574f5f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aged</topic><topic>Apolipoprotein B</topic><topic>Apolipoproteins</topic><topic>Cardiovascular Diseases - complications</topic><topic>Cardiovascular Diseases - drug therapy</topic><topic>Clinical Trial</topic><topic>Diabetes</topic><topic>Diabetes mellitus</topic><topic>Diabetes Mellitus, Type 2 - complications</topic><topic>Endothelial function</topic><topic>Female</topic><topic>Hemoglobin</topic><topic>Humans</topic><topic>Hyperglycemia</topic><topic>Hypoglycemic Agents - therapeutic use</topic><topic>Linagliptin</topic><topic>Linagliptin - therapeutic use</topic><topic>Low density lipoprotein</topic><topic>Male</topic><topic>Metformin</topic><topic>Metformin - therapeutic use</topic><topic>Middle Aged</topic><topic>Prospective Studies</topic><topic>Treatment Outcome</topic><topic>Type 2 diabetes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shigiyama, Fumika</creatorcontrib><creatorcontrib>Kumashiro, Naoki</creatorcontrib><creatorcontrib>Miyagi, Masahiko</creatorcontrib><creatorcontrib>Iga, Ryo</creatorcontrib><creatorcontrib>Kobayashi, Yuka</creatorcontrib><creatorcontrib>Kanda, Eiichiro</creatorcontrib><creatorcontrib>Uchino, Hiroshi</creatorcontrib><creatorcontrib>Hirose, Takahisa</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Immunology Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Health &amp; 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Materials and Methods Type 2 diabetes patients treated with 750 mg of metformin (hemoglobin A1c ≥6.0% and &lt;8.0%, n = 96) were randomized to continue metformin 750 mg/day (control group, n = 29), metformin at 1,500 mg/day (metformin group, n = 26) and metformin 750 mg/day supplemented with linagliptin 5 mg/day (linagliptin add‐on group, n = 29) and treated for 16 weeks. Vascular endothelial function was evaluated by flow‐mediated dilation. The primary end‐point was changes in flow‐mediated dilation at 16 weeks relative to baseline. Results Linagliptin significantly improved flow‐mediated dilation from baseline (4.9 ± 2.7%) to 16 weeks (6.3 ± 2.7%, P &lt; 0.05), whereas the other groups did not show any changes. Hemoglobin A1c at 16 weeks was significantly lower in the metformin and linagliptin add‐on groups compared with the control (6.6 ± 0.6%, 6.5 ± 0.5% and 7.0 ± 0.6%, respectively). Single and multiple regression analyses showed that apolipoprotein B correlated significantly with change in flow‐mediated dilation, and apolipoprotein B was decreased only in the linagliptin add‐on group (–6.0 ± 11.3 mg/dL, P &lt; 0.01). Conclusions Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. Linagliptin has a protective role on endothelial function in patients with type 2 diabetes with moderate hyperglycemia. Linagliptin for 16 weeks improved endothelial function with a modest improvement in glycemic control. This effect was mediated, at least in part, by reduction in apolipoprotein B. Linagliptin has a protective role on endothelial function in patients with type 2 diabetes with moderate hyperglycemia.</abstract><cop>Japan</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>27868359</pmid><doi>10.1111/jdi.12587</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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subjects Aged
Apolipoprotein B
Apolipoproteins
Cardiovascular Diseases - complications
Cardiovascular Diseases - drug therapy
Clinical Trial
Diabetes
Diabetes mellitus
Diabetes Mellitus, Type 2 - complications
Endothelial function
Female
Hemoglobin
Humans
Hyperglycemia
Hypoglycemic Agents - therapeutic use
Linagliptin
Linagliptin - therapeutic use
Low density lipoprotein
Male
Metformin
Metformin - therapeutic use
Middle Aged
Prospective Studies
Treatment Outcome
Type 2 diabetes
title Linagliptin improves endothelial function in patients with type 2 diabetes: A randomized study of linagliptin effectiveness on endothelial function
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