{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T19:24:11Z","timestamp":1754162651957,"version":"3.41.2"},"reference-count":49,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"13","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:sec id=\"jah311115-sec-0001\" xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">Myocardial metabolism plays an important role in maintaining cardiac function. Patients with dilated cardiomyopathy exhibit alterations in myocardial metabolism characterized by increased myocardial glucose metabolism. This study aimed to evaluate effects on myocardial metabolism of the angiotensin II receptor blockers olmesartan and valsartan in patients with dilated cardiomyopathy. We hypothesized that olmesartan, owing to its stronger and longer\u2010lasting angiotensin II receptor blockade, would lead to a greater reduction in myocardial glucose metabolism compared with valsartan.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec id=\"jah311115-sec-0002\" xml:lang=\"en\">\n            <jats:title>Methods<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              OVOID (A Comparison Study of Olmesartan and Valsartan Effects on Myocardial Metabolism in Patients With Dilated Cardiomyopathy) was a multicenter, randomized controlled trial involving 44 patients with New York Heart Association classes II through IV dilated cardiomyopathy. Participants were randomized 1:1 to receive olmesartan (20\u2009mg once daily) or valsartan (160\u2009mg twice daily) for 6\u2009months, in addition to standard care. The primary outcome was myocardial glucose metabolism measured by standardized uptake value ratio at 6\u2009months after treatment. To measure standardized uptake value ratio,\n              <jats:sup>18<\/jats:sup>\n              F\u2010fluoro\u20102\u2010deoxyglucose cardiac positron emission tomography was performed at baseline and 6\u2009months after receiving the study agent.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec id=\"jah311115-sec-0003\" xml:lang=\"en\">\n            <jats:title>Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              Baseline clinical characteristics and standardized uptake value ratio were not significantly different between the 2 groups. The average left ventricular ejection fraction was 25.1%\u00b17.8% at baseline, with significant improvement in both groups after 6\u2009months, though with no difference between them. At 6\u2009months, the standardized uptake value ratio value was significantly lower in the olmesartan group than that in the valsartan (3.76\u00b12.00 versus 5.76\u00b13.10;\n              <jats:italic toggle=\"no\">P<\/jats:italic>\n              =0.01).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec id=\"jah311115-sec-0004\" xml:lang=\"en\">\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p xml:lang=\"en\">Six months of olmesartan therapy significantly decreased myocardial glucose metabolism in dilated cardiomyopathy patients compared with valsartan therapy for 6\u2009months.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec id=\"jah311115-sec-0005\" xml:lang=\"en\">\n            <jats:title>Registration<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              URL:\n              <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n              ; Unique identifier: NCT04174456.\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.125.041406","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T05:59:09Z","timestamp":1751003949000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["A Comparison Study of Olmesartan and Valsartan Effects on Myocardial Metabolism in Patients With Dilated Cardiomyopathy: the OVOID Trial"],"prefix":"10.1161","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5015-8656","authenticated-orcid":false,"given":"Sangyong","family":"Jo","sequence":"first","affiliation":[{"name":"Dong\u2010A University Hospital","place":["Busan, Republic of Korea"]},{"name":"Dong\u2010A University College of Medicine","place":["Busan, Republic of 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