Effects of Sodium-glucose Co-transporter-2( SGLT-2 ) Inhibition on Sympathetic Nervous System Activity in Humans
NCT ID: NCT03912909
Last Updated: 2022-09-29
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
PHASE4
30 participants
INTERVENTIONAL
2018-08-01
2024-12-30
Brief Summary
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Detailed Description
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Comprehensive testing will occur after each 4 week treatment phase and will include assessment of muscle sympathetic nerve activity, cardiac and renal noradrenaline spillover to assess organ specific SNS activity.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
OTHER
DOUBLE
Study Groups
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Phase 1
Empagliflozin 10mg daily or placebo
Empagliflozin Oral Tablet [Jardiance]
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Placebo Oral Tablet
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Phase2
Empagliflozin 10mg daily or placebo
Empagliflozin Oral Tablet [Jardiance]
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Placebo Oral Tablet
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Interventions
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Empagliflozin Oral Tablet [Jardiance]
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Placebo Oral Tablet
Participants will be randomly assigned to receive either Empagliflozin 10mg/daily or Placebo and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 4-week treatment phases will be separated by a 4-week wash out (drug-free) period. The study will consist of a total of 5 visits conducted over approximately 18 weeks; one screening visit, one baseline visit, 1 short visit at the start of the second treatment phase and 2 comprehensive testing visits, each at the end of the two treatment phases
Eligibility Criteria
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Inclusion Criteria
* (Body Mass Index) BMI≥30kg/m2
* Currently weight stable (+/- 3% in previous 6-12 months and not on any specific exercise or dietary program)
* Metabolic syndrome (defined as having: obesity (BMI ≥30kg/m2 ) plus any two of the following four factors: Elevated triglycerides (Triglyceride≥ 1.7mmol/L), Reduced HDL (High - density lipoprotein) cholesterol (\<1.0mmol/L in males, \<1.3mmol/L in females), Elevated clinic systolic (Blood Pressure) BP ≥130 or diastolic BP ≥85mmHg, Fasting glucose ≥5.6mmol/L or type 2 diabetes.
* office BP for screening purposes ≤160/90mmHg
* drug naïve for at least 6 weeks prior to baseline assessment
Exclusion Criteria
* Secondary causes of hypertension
* CKD (Chronic kidney disease) stage 4-5 {(estimated glomerular filtration) eGFR\<30ml/min}
* Heart failure NYHA (New York Heart Association) class II-IV
* Recent CV (cardiovascular) event (acute myocardial infarction, acute coronary syndrome, stroke or transient ischaemic attack within the previous six months)
* unstable psychiatric condition
* medication such as corticosteroids, several antidepressants and antipsychotics
* Female participants of childbearing potential must have a negative pregnancy test prior to treatment
25 Years
65 Years
ALL
No
Sponsors
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Royal Perth Hospital
OTHER
Responsible Party
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Dr Markus Schlaich
Principal Investigator
Principal Investigators
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Markus Schlaich, MD,FAHA,FESC
Role: PRINCIPAL_INVESTIGATOR
Royal Perth Hospital
Locations
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Royal Perth Hospital
Perth, Western Australia, Australia
Countries
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Central Contacts
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Facility Contacts
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References
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Zinman B, Wanner C, Lachin JM, Fitchett D, Bluhmki E, Hantel S, Mattheus M, Devins T, Johansen OE, Woerle HJ, Broedl UC, Inzucchi SE; EMPA-REG OUTCOME Investigators. Empagliflozin, Cardiovascular Outcomes, and Mortality in Type 2 Diabetes. N Engl J Med. 2015 Nov 26;373(22):2117-28. doi: 10.1056/NEJMoa1504720. Epub 2015 Sep 17.
Hall JE, Jones DW, Kuo JJ, da Silva A, Tallam LS, Liu J. Impact of the obesity epidemic on hypertension and renal disease. Curr Hypertens Rep. 2003 Oct;5(5):386-92. doi: 10.1007/s11906-003-0084-z.
Esler M, Straznicky N, Eikelis N, Masuo K, Lambert G, Lambert E. Mechanisms of sympathetic activation in obesity-related hypertension. Hypertension. 2006 Nov;48(5):787-96. doi: 10.1161/01.HYP.0000242642.42177.49. Epub 2006 Sep 25. No abstract available.
Straznicky NE, Grima MT, Sari CI, Karapanagiotidis S, Wong C, Eikelis N, Richards KL, Lee G, Nestel PJ, Dixon JB, Lambert GW, Schlaich MP, Lambert EA. The relation of glucose metabolism to left ventricular mass and function and sympathetic nervous system activity in obese subjects with metabolic syndrome. J Clin Endocrinol Metab. 2013 Feb;98(2):E227-37. doi: 10.1210/jc.2012-3277. Epub 2012 Dec 27.
Straznicky NE, Lambert EA, Grima MT, Eikelis N, Richards K, Nestel PJ, Dawood T, Masuo K, Sari CI, Dixon JB, Esler MD, Paul E, Schlaich MP, Lambert GW. The effects of dietary weight loss on indices of norepinephrine turnover: modulatory influence of hyperinsulinemia. Obesity (Silver Spring). 2014 Mar;22(3):652-62. doi: 10.1002/oby.20614. Epub 2013 Dec 6.
Schlaich MP, Kaye DM, Lambert E, Sommerville M, Socratous F, Esler MD. Relation between cardiac sympathetic activity and hypertensive left ventricular hypertrophy. Circulation. 2003 Aug 5;108(5):560-5. doi: 10.1161/01.CIR.0000081775.72651.B6. Epub 2003 Jul 7.
Ziegler D, Weise F, Langen KJ, Piolot R, Boy C, Hubinger A, Muller-Gartner HW, Gries FA. Effect of glycaemic control on myocardial sympathetic innervation assessed by [123I]metaiodobenzylguanidine scintigraphy: a 4-year prospective study in IDDM patients. Diabetologia. 1998 Apr;41(4):443-51. doi: 10.1007/s001250050928.
Sverrisdottir YB, Jansson LM, Hagg U, Gan LM. Muscle sympathetic nerve activity is related to a surrogate marker of endothelial function in healthy individuals. PLoS One. 2010 Feb 17;5(2):e9257. doi: 10.1371/journal.pone.0009257.
Mahfoud F, Schlaich M, Kindermann I, Ukena C, Cremers B, Brandt MC, Hoppe UC, Vonend O, Rump LC, Sobotka PA, Krum H, Esler M, Bohm M. Effect of renal sympathetic denervation on glucose metabolism in patients with resistant hypertension: a pilot study. Circulation. 2011 May 10;123(18):1940-6. doi: 10.1161/CIRCULATIONAHA.110.991869. Epub 2011 Apr 25.
Other Identifiers
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REG 16-157
Identifier Type: -
Identifier Source: org_study_id
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