Antidiabetogenic effects of hydroxychloroquine on insulin sensitivity and beta cell function: a randomised trial

Aims/hypothesis Hydroxychloroquine (HCQ), an antimalarial drug with anti-inflammatory properties, is employed in rheumatic diseases. In observational studies, patients with rheumatic diseases treated with HCQ have a lower risk of developing diabetes. However, the physiological mechanisms remain unex...

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Veröffentlicht in:Diabetologia 2015-10, Vol.58 (10), p.2336-2343
Hauptverfasser: Wasko, Mary Chester M., McClure, Candace K., Kelsey, Sheryl F., Huber, Kimberly, Orchard, Trevor, Toledo, Frederico G. S.
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container_start_page 2336
container_title Diabetologia
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creator Wasko, Mary Chester M.
McClure, Candace K.
Kelsey, Sheryl F.
Huber, Kimberly
Orchard, Trevor
Toledo, Frederico G. S.
description Aims/hypothesis Hydroxychloroquine (HCQ), an antimalarial drug with anti-inflammatory properties, is employed in rheumatic diseases. In observational studies, patients with rheumatic diseases treated with HCQ have a lower risk of developing diabetes. However, the physiological mechanisms remain unexplained. We hypothesised that HCQ may have favourable effects on insulin sensitivity and/or beta cell function. Methods This was a randomised, double-blind, parallel-arm (placebo vs HCQ 400 mg/day) trial at the University of Pittsburgh. Randomisation was conducted by a computer system with concealment by sealed envelopes. Treatment duration was 13 ± 1 weeks. Randomised participants (HCQ n  = 17; placebo n  = 15) were non-diabetic volunteers, age >18, overweight or obese, with one or more markers of insulin resistance. All participants were included in intention-to-treat analysis. Outcomes were changes in insulin sensitivity and beta cell function measured by intravenous glucose tolerance tests and minimal model analysis. Results There was a positive change in insulin sensitivity with HCQ but not placebo (mean ± SEM: +20.0% ± 7.1% vs −18.4% ± 7.9%, respectively; p  
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S.</creator><creatorcontrib>Wasko, Mary Chester M. ; McClure, Candace K. ; Kelsey, Sheryl F. ; Huber, Kimberly ; Orchard, Trevor ; Toledo, Frederico G. S.</creatorcontrib><description>Aims/hypothesis Hydroxychloroquine (HCQ), an antimalarial drug with anti-inflammatory properties, is employed in rheumatic diseases. In observational studies, patients with rheumatic diseases treated with HCQ have a lower risk of developing diabetes. However, the physiological mechanisms remain unexplained. We hypothesised that HCQ may have favourable effects on insulin sensitivity and/or beta cell function. Methods This was a randomised, double-blind, parallel-arm (placebo vs HCQ 400 mg/day) trial at the University of Pittsburgh. Randomisation was conducted by a computer system with concealment by sealed envelopes. Treatment duration was 13 ± 1 weeks. Randomised participants (HCQ n  = 17; placebo n  = 15) were non-diabetic volunteers, age &gt;18, overweight or obese, with one or more markers of insulin resistance. All participants were included in intention-to-treat analysis. Outcomes were changes in insulin sensitivity and beta cell function measured by intravenous glucose tolerance tests and minimal model analysis. Results There was a positive change in insulin sensitivity with HCQ but not placebo (mean ± SEM: +20.0% ± 7.1% vs −18.4% ± 7.9%, respectively; p  &lt; 0.01; difference: 38.3% ± 10.6%; 95% CI: 17%, 60%). Improvement in beta cell function was also observed with HCQ but not placebo (+45.4% ± 12.3% vs −19.7% ± 13.6%; p  &lt; 0.01; difference: 65% ± 19%; 95% CI: 27%, 103%). There were modest treatment effects on fasting plasma glucose and HbA 1c ( p  &lt; 0.05) but circulating markers of inflammation (IL-6, IL-1, TNF-α, soluble intercellular adhesion molecule) were not affected in either group. In contrast, adiponectin levels increased after HCQ treatment but not after placebo (+18.7% vs +0.7%, respectively; p  &lt; 0.001). Both low- and high-molecular-weight adiponectin forms accounted for the increase. There were no serious or unexpected adverse effects. Conclusions/interpretation HCQ improves both beta cell function and insulin sensitivity in non-diabetic individuals. These metabolic effects may explain why HCQ treatment is associated with a lower risk of type 2 diabetes. An additional novel observation is that HCQ improves adiponectin levels, possibly being a mediator of the favourable effects on glucose metabolism. Our findings suggest that HCQ is a drug with considerable metabolic effects that warrant further exploration in disorders of glucose metabolism. Trial registration Clinicaltrials.gov NCT01326533 Funding This study was funded by National Institutes of Health no. 5R21DK082878, UL1-RR024153 and UL-1TR000005.</description><identifier>ISSN: 0012-186X</identifier><identifier>EISSN: 1432-0428</identifier><identifier>DOI: 10.1007/s00125-015-3689-2</identifier><identifier>PMID: 26197707</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adult ; Antiparasitic agents ; Blood Glucose - metabolism ; Cytokines - blood ; Diabetes ; Disease prevention ; Double-Blind Method ; Female ; Glucose ; Human Physiology ; Humans ; Hydroxychloroquine - pharmacology ; Insulin - blood ; Insulin resistance ; Insulin Resistance - physiology ; Insulin-Secreting Cells - drug effects ; Insulin-Secreting Cells - metabolism ; Intercellular Adhesion Molecule-1 - blood ; Internal Medicine ; Malaria ; Male ; Medicine ; Medicine &amp; Public Health ; Metabolic Diseases ; Metabolism ; Middle Aged ; Obesity - blood ; Obesity - metabolism ; Observational studies ; Overweight - blood ; Overweight - metabolism ; Public health ; Rheumatic diseases ; Treatment Outcome</subject><ispartof>Diabetologia, 2015-10, Vol.58 (10), p.2336-2343</ispartof><rights>Springer-Verlag Berlin Heidelberg 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c540t-bdd09adf12bfb600cb8df59e36e3c291dba49e35b3169f852096db764dbb48603</citedby><cites>FETCH-LOGICAL-c540t-bdd09adf12bfb600cb8df59e36e3c291dba49e35b3169f852096db764dbb48603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00125-015-3689-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00125-015-3689-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26197707$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wasko, Mary Chester M.</creatorcontrib><creatorcontrib>McClure, Candace K.</creatorcontrib><creatorcontrib>Kelsey, Sheryl F.</creatorcontrib><creatorcontrib>Huber, Kimberly</creatorcontrib><creatorcontrib>Orchard, Trevor</creatorcontrib><creatorcontrib>Toledo, Frederico G. S.</creatorcontrib><title>Antidiabetogenic effects of hydroxychloroquine on insulin sensitivity and beta cell function: a randomised trial</title><title>Diabetologia</title><addtitle>Diabetologia</addtitle><addtitle>Diabetologia</addtitle><description>Aims/hypothesis Hydroxychloroquine (HCQ), an antimalarial drug with anti-inflammatory properties, is employed in rheumatic diseases. In observational studies, patients with rheumatic diseases treated with HCQ have a lower risk of developing diabetes. However, the physiological mechanisms remain unexplained. We hypothesised that HCQ may have favourable effects on insulin sensitivity and/or beta cell function. Methods This was a randomised, double-blind, parallel-arm (placebo vs HCQ 400 mg/day) trial at the University of Pittsburgh. Randomisation was conducted by a computer system with concealment by sealed envelopes. Treatment duration was 13 ± 1 weeks. Randomised participants (HCQ n  = 17; placebo n  = 15) were non-diabetic volunteers, age &gt;18, overweight or obese, with one or more markers of insulin resistance. All participants were included in intention-to-treat analysis. Outcomes were changes in insulin sensitivity and beta cell function measured by intravenous glucose tolerance tests and minimal model analysis. Results There was a positive change in insulin sensitivity with HCQ but not placebo (mean ± SEM: +20.0% ± 7.1% vs −18.4% ± 7.9%, respectively; p  &lt; 0.01; difference: 38.3% ± 10.6%; 95% CI: 17%, 60%). Improvement in beta cell function was also observed with HCQ but not placebo (+45.4% ± 12.3% vs −19.7% ± 13.6%; p  &lt; 0.01; difference: 65% ± 19%; 95% CI: 27%, 103%). There were modest treatment effects on fasting plasma glucose and HbA 1c ( p  &lt; 0.05) but circulating markers of inflammation (IL-6, IL-1, TNF-α, soluble intercellular adhesion molecule) were not affected in either group. In contrast, adiponectin levels increased after HCQ treatment but not after placebo (+18.7% vs +0.7%, respectively; p  &lt; 0.001). Both low- and high-molecular-weight adiponectin forms accounted for the increase. There were no serious or unexpected adverse effects. Conclusions/interpretation HCQ improves both beta cell function and insulin sensitivity in non-diabetic individuals. These metabolic effects may explain why HCQ treatment is associated with a lower risk of type 2 diabetes. An additional novel observation is that HCQ improves adiponectin levels, possibly being a mediator of the favourable effects on glucose metabolism. Our findings suggest that HCQ is a drug with considerable metabolic effects that warrant further exploration in disorders of glucose metabolism. 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S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antidiabetogenic effects of hydroxychloroquine on insulin sensitivity and beta cell function: a randomised trial</atitle><jtitle>Diabetologia</jtitle><stitle>Diabetologia</stitle><addtitle>Diabetologia</addtitle><date>2015-10-01</date><risdate>2015</risdate><volume>58</volume><issue>10</issue><spage>2336</spage><epage>2343</epage><pages>2336-2343</pages><issn>0012-186X</issn><eissn>1432-0428</eissn><abstract>Aims/hypothesis Hydroxychloroquine (HCQ), an antimalarial drug with anti-inflammatory properties, is employed in rheumatic diseases. In observational studies, patients with rheumatic diseases treated with HCQ have a lower risk of developing diabetes. However, the physiological mechanisms remain unexplained. We hypothesised that HCQ may have favourable effects on insulin sensitivity and/or beta cell function. Methods This was a randomised, double-blind, parallel-arm (placebo vs HCQ 400 mg/day) trial at the University of Pittsburgh. Randomisation was conducted by a computer system with concealment by sealed envelopes. Treatment duration was 13 ± 1 weeks. Randomised participants (HCQ n  = 17; placebo n  = 15) were non-diabetic volunteers, age &gt;18, overweight or obese, with one or more markers of insulin resistance. All participants were included in intention-to-treat analysis. Outcomes were changes in insulin sensitivity and beta cell function measured by intravenous glucose tolerance tests and minimal model analysis. Results There was a positive change in insulin sensitivity with HCQ but not placebo (mean ± SEM: +20.0% ± 7.1% vs −18.4% ± 7.9%, respectively; p  &lt; 0.01; difference: 38.3% ± 10.6%; 95% CI: 17%, 60%). Improvement in beta cell function was also observed with HCQ but not placebo (+45.4% ± 12.3% vs −19.7% ± 13.6%; p  &lt; 0.01; difference: 65% ± 19%; 95% CI: 27%, 103%). There were modest treatment effects on fasting plasma glucose and HbA 1c ( p  &lt; 0.05) but circulating markers of inflammation (IL-6, IL-1, TNF-α, soluble intercellular adhesion molecule) were not affected in either group. In contrast, adiponectin levels increased after HCQ treatment but not after placebo (+18.7% vs +0.7%, respectively; p  &lt; 0.001). Both low- and high-molecular-weight adiponectin forms accounted for the increase. There were no serious or unexpected adverse effects. Conclusions/interpretation HCQ improves both beta cell function and insulin sensitivity in non-diabetic individuals. These metabolic effects may explain why HCQ treatment is associated with a lower risk of type 2 diabetes. An additional novel observation is that HCQ improves adiponectin levels, possibly being a mediator of the favourable effects on glucose metabolism. Our findings suggest that HCQ is a drug with considerable metabolic effects that warrant further exploration in disorders of glucose metabolism. Trial registration Clinicaltrials.gov NCT01326533 Funding This study was funded by National Institutes of Health no. 5R21DK082878, UL1-RR024153 and UL-1TR000005.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>26197707</pmid><doi>10.1007/s00125-015-3689-2</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Antiparasitic agents
Blood Glucose - metabolism
Cytokines - blood
Diabetes
Disease prevention
Double-Blind Method
Female
Glucose
Human Physiology
Humans
Hydroxychloroquine - pharmacology
Insulin - blood
Insulin resistance
Insulin Resistance - physiology
Insulin-Secreting Cells - drug effects
Insulin-Secreting Cells - metabolism
Intercellular Adhesion Molecule-1 - blood
Internal Medicine
Malaria
Male
Medicine
Medicine & Public Health
Metabolic Diseases
Metabolism
Middle Aged
Obesity - blood
Obesity - metabolism
Observational studies
Overweight - blood
Overweight - metabolism
Public health
Rheumatic diseases
Treatment Outcome
title Antidiabetogenic effects of hydroxychloroquine on insulin sensitivity and beta cell function: a randomised trial
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