- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT02608905
Effect of Dapagliflozin on Inflammation and Endothelial Function
7 april 2020 uppdaterad av: Mandeep Bajaj, Baylor College of Medicine
The Effect of Dapagliflozin on Inflammation and Endothelial Function
Sodium-glucose cotransporter 2 (SGLT-2) inhibitors reduce hyperglycemia and improve peripheral insulin sensitivity by ameliorating glucotoxicity.
Insulin resistance in type 2 diabetes (T2DM) is associated with endothelial dysfunction and vascular inflammation.
Thus strategies to improve insulin sensitivity and lower glucotoxicity may improve endothelial inflammation and vascular inflammation.
However, the effects of these agents on vascular inflammation and endothelial function is not known in patients with type 2 diabetes although anti-inflammatory properties have been demonstrated in various animal models.
In the present study the investigators will assess if dapagliflozin treatment for 12 weeks decreases monocyte inflammation and improves endothelial function in patients with type 2 diabetes on metformin monotherapy.
Studieöversikt
Status
Avslutad
Betingelser
Intervention / Behandling
Detaljerad beskrivning
The insulin-resistant state of type 2 diabetes mellitus (T2DM) is largely mediated by inflammatory pathways affecting skeletal muscle which is the primary site of whole body insulin resistance.
Nuclear factor kappa B (NFkappaB) regulates pro-inflammatory cytokines which ultimately impair skeletal muscle insulin signaling and fatty acid oxidation; its activity reflects overall inflammatory tone in skeletal muscle.
Recent human studies confirm that NFkappaB is elevated in the skeletal muscle of T2DM human subjects.
Furthermore, the same inflammatory processes and signaling impairments contribute to worsening endothelial dysfunction, which is an independent predictor for future cardiovascular events in T2DM.
In addition, these SGLT-2 Inhibitors reduce body weight, visceral adiposity, systolic and diastolic blood pressure, microalbuminuria, and oxidative stress.
However, there are no studies examining the effects of SGLT-2 inhibitor therapy on NFkappaB and other inflammatory mediators in humans with T2DM.
Moreover, no studies have examined the effect of SGLT-2 inhibitor therapy on endothelial function in this population.
In the present study the investigators will assess whether dapagliflozin treatment for 12 weeks reduces monocyte inflammation and improves endothelial dysfunction in patients with type 2 diabetes on metformin monotherapy.
Studietyp
Interventionell
Inskrivning (Faktisk)
17
Fas
- Fas 4
Kontakter och platser
Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.
Studieorter
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Texas
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Houston, Texas, Förenta staterna, 77030
- Baylor College of Medicine
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Deltagandekriterier
Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.
Urvalskriterier
Åldrar som är berättigade till studier
21 år till 70 år (Vuxen, Äldre vuxen)
Tar emot friska volontärer
Nej
Kön som är behöriga för studier
Allt
Beskrivning
Inclusion Criteria:
- Provision of informed consent prior to any study specific procedures
Men and women, ages 21 to 70 years. i) Women of childbearing potential must be using an acceptable method of contraception to avoid pregnancy throughout the study in such a manner that the risk of pregnancy is minimized.
ii) Women must not be pregnant or breastfeeding.
- Patients with Type 2 Diabetes Mellitus with the following parameters at study entry: hemoglobin A1c ranging from 7.0% to 9.0% and a fasting blood glucose less than or equal to 200 mg/dL.
- Patients must be on a stable dose of Metformin therapy for 3 months; the dose of metformin will not change for the duration of the study.
- Patients are allowed, but not required, to be on statins, Angiotensin Converting Enzyme (ACE) inhibitors, and angiotensin-receptor blockers at doses that have been stable for at least the last 3 months prior to enrollment in the study. Doses will not be changed for the duration of the study.
- Patients must have a Body Mass Index between 27-35 kg/m2
- Patients must have a stable body weight for three months prior to enrollment in the study.
- Patients must have a Creatinine Clearance greater than 60 mL/min (calculated by Cockcroft-Gault formula).
- Patients must have Hematocrit greater than or equal to 34%; Serum creatinine less than1.5 mg/dl in men and 1.4 mg/dl in women and Creatinine Clearance greater than 60 ml/min; and serum aspartate aminotransferase (AST) less than 2.5 times upper limit of normal, serum alanine transaminase (ALT) less than 2.5 times upper limit of normal, serum alkaline phosphatase less than 2.5 times upper limit of normal.
Exclusion Criteria:
- History of Type 1 diabetes mellitus
- Women who are pregnant or breastfeeding
- Patients receiving lipid-lowering medications other than statins within the last 3 months.
- Patient receiving SGLT-2 inhibitors, incretin therapy, dipeptidyl peptidase 4 (DPP-4) inhibitors, thiazolidinediones, insulin, sulfonylureas, alpha-glucosidase inhibitors, corticosteroids, immunosuppressive therapy, thiazide or loop diuretics, or hormone replacement therapy within the last 3 months .
- Patient must stop treatment with nonsteroidal anti-inflammatory drugs (NSAID) and antioxidant vitamin supplements at least one week prior to the start of the study
- Patients with diabetic gastroparesis.
- Patients with current tobacco use.
- Patients with active malignancy.
- Patients with history of urinary bladder cancer
- Patients with a history of clinically significant heart disease, peripheral vascular disease, or pulmonary disease will not be studied
- Subjects with a history of any serious hypersensitivity reaction to dapagliflozin.
- Prisoners, or subjects who are involuntarily incarcerated.
- Subjects who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness.
- Patients with significant cardiac,hepatic or renal disease (Creatinine Clearance less than 60 mL/min calculated by Cockcroft-Gault formula) will be excluded.
Studieplan
Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Grundläggande vetenskap
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Fyrdubbla
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
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Experimentell: Dapagliflozin
Dapagliflozin 5 mg daily by mouth for 2 weeks followed by 10 mg by mouth daily for 10 weeks
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Patients with Type 2 diabetes will be randomized to receive dapagliflozin 5 mg daily for 2 weeks followed by10 mg daily for 10 weeks by mouth or matching placebo for 12 weeks.
All subjects will receive measurements of fasting plasma glucose, Free Fatty Acids, inflammatory markers and adipocytokines, monocyte inflammation, as well as ultrasound assessment of flow-mediated dilatation (FMD) of the brachial artery at baseline and after 12 weeks of drug treatment with either dapagliflozin or placebo.
Andra namn:
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Placebo-jämförare: Placebo
Placebo tablets by mouth daily for 12 weeks
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Patients with Type 2 diabetes will be randomized to receive dapagliflozin 5 mg daily for 2 weeks followed by10 mg daily for 10 weeks by mouth or matching placebo for 12 weeks.
All subjects will receive measurements of fasting plasma glucose, Free Fatty Acids, inflammatory markers and adipocytokines, monocyte inflammation, as well as ultrasound assessment of flow-mediated dilatation (FMD) of the brachial artery at baseline and after 12 weeks of drug treatment with either dapagliflozin or placebo.
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
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Monocyte Inflammatory Protein Nuclear Factor Kappa-B (NFkappaB) (%)
Tidsram: 12 weeks
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The percentage change in monocyte inflammatory proteins NFkappaB (%) from baseline in patients with type 2 diabetes.
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12 weeks
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Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
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Arterial Flow Mediated Dilatation (%)
Tidsram: 12 weeks
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The percentage change in arterial flow mediated dilation (%) from baseline as measured by ultrasound in patients with type 2 diabetes.
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12 weeks
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Samarbetspartners och utredare
Det är här du hittar personer och organisationer som är involverade i denna studie.
Sponsor
Studieavstämningsdatum
Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.
Studera stora datum
Studiestart
1 november 2015
Primärt slutförande (Faktisk)
1 mars 2019
Avslutad studie (Faktisk)
1 mars 2019
Studieregistreringsdatum
Först inskickad
17 november 2015
Först inskickad som uppfyllde QC-kriterierna
18 november 2015
Första postat (Uppskatta)
20 november 2015
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
8 april 2020
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
7 april 2020
Senast verifierad
1 april 2020
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
- Patologiska processer
- Störningar i glukosmetabolism
- Metaboliska sjukdomar
- Sjukdomar i det endokrina systemet
- Diabetes mellitus
- Diabetes mellitus, typ 2
- Inflammation
- Hypoglykemiska medel
- Läkemedels fysiologiska effekter
- Molekylära mekanismer för farmakologisk verkan
- Sodium-Glucose Transporter 2-hämmare
- Dapagliflozin
Andra studie-ID-nummer
- H-35985
Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .