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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04869124
Other study ID # ESR-20-20601
Secondary ID 2020-004143-89
Status Recruiting
Phase Phase 4
First received
Last updated
Start date February 15, 2021
Est. completion date December 1, 2024

Study information

Verified date May 2024
Source University of Zurich
Contact Thomas Haider, M.D.
Phone +41(0)442552280
Email thomas.haider@usz.ch
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the DAPA-VOLVO trial is to investigate the effects of Dapagliflozin on top of recommended standard therapy on volume status and vascular function in clinically stable de novo or chronic heart failure patients after hospitalization because of an acute decompensated heart failure event.


Description:

Recent clinical trials found that Dapagliflozin can reduce the risk of cardiovascular events, hospitalization and death in heart failure (HF) patients with reduced left ventricular ejection fraction (HFrEF) in the presence of absence of diabetes. Additional trials are ongoing to investigate whether these results can be translated also to HF-patients with preserved ejection fraction (HFpEF). However, the underlying mechanisms leading to the improved clinical outcomes are not completely understood but the beneficial effects of Dapagliflozin on volume status and vascular function are discussed as potential key factors. This study is designed as a mechanistic study to investigate the impact of Dapagliflozin on volume status and vascular function in clinically stable de novo or chronic heart failure patients after hospitalization/ ambulatory care because of an acute decompensated heart failure (ADHF) event. After being informed about the study and potential risks all patients given written informed consent will be screened for the defined eligibility criteria and thereafter randomized in a double-blind manner (patients, investigators) 1:1 ratio to either receive the sodium-glucose co-transporter 2 inhibitor (SGLT2i) Dapagliflozin (10mg/day) or Placebo on top of recommended standard therapy for in total 12 weeks. The results of this study may provide new mechanistic insight into the beneficial effects of Dapagliflozin on volume regulation and vascular function and have great potential to contribute to change current clinical guidelines in the management of patients with heart failure.


Recruitment information / eligibility

Status Recruiting
Enrollment 80
Est. completion date December 1, 2024
Est. primary completion date December 1, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion criteria: 1. Male or female, age of 18 or older; 2. Patients with documented diagnosis of chronic or de novo heart failure (NYHA II-IV) and clinically stabilized (considered for hospital discharge) after hospitalization/ ambulatory care because of an acute decompensated (congestive) heart failure (ADHF) event; 3. eGFR = 30 mL/min/1.73 m2 (CKD-EPI formula) at enrolment; 4. Provision of signed informed consent prior to any study specific procedure; Exclusion criteria: 1. Contraindications to the class of drugs under study, e.g. known hypersensitivity or allergy to class of drugs or the investigational product; 2. Receiving therapy with an SGLT2 inhibitor within 8 weeks prior to enrolment or previous intolerance of an SGLT2 inhibitor; 3. Participation in another study with investigational drug within the 30 days preceding and during the present study; 4. Type 1 diabetes mellitus; 5. Symptomatic hypotension or systolic blood pressure <90 mmHg at 2 out of 3 measurements either at visit 1 or visit 2; 6. Coronary revascularization (percutaneous coronary intervention because of STEMI or coronary artery bypass grafting) or valvular repair/replacement within 12 weeks prior to enrolment or planned to undergo any of these operations after randomization; 7. Implantation of a CRT device within 12 weeks prior to enrolment or intent to implant a CRT device during 12 weeks of study observation period if indicated according to the actual guidelines [11]; 8. Previous cardiac transplantation or implantation of a ventricular assistance device or similar device, or implantation expected after randomization; 9. HF due to restrictive cardiomyopathy, active myocarditis, constrictive pericarditis, hypertrophic obstructive cardiomyopathy or uncorrected primary valvular disease; 10. Symptomatic bradycardia or second or third degree heart block without a pacemaker; 11. Severe (eGFR <20 mL/min/1.73 m2 by CKD-EPI), unstable or rapidly progressing renal disease; 12. Women who are pregnant or breast feeding; 13. Intention to become pregnant during the course of the study; 14. Known or suspected non-compliance, drug or alcohol abuse; 15. Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant; 16. Patients with severely restricted liver function; 17. Patients with recurrent mycotic genital infections;

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Dapagliflozin
Dapagliflozin propanediol (FORXIGA) tablet: 10 mg once daily p.o. on top of recommended standard therapy, duration of administration: 12 weeks.
Placebo
Placebo tablet, matching Dapagliflozin, once daily p.o. on top of recommended standard therapy, duration of administration: 12 weeks.

Locations

Country Name City State
Switzerland University Heart Center Zurich Zurich

Sponsors (2)

Lead Sponsor Collaborator
Frank Ruschitzka AstraZeneca

Country where clinical trial is conducted

Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Other First episode of worsening of heart failure (WHF). The first episode of WHF from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. WHF is defined as requiring intensification of therapy in the ambulatory or hospital setting including i.v. diuretics, i.v. nitrates, or other medications for HF, or institution of mechanical or ventilator support. From baseline (0 weeks) to 12 weeks of treatment.
Other Change in Kansas City cardiomyopathy questionnaire (KCCQ) score. Change in KCCQ overall score from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The KCCQ as a measure of HF-related quality of life will be assessed as self-administered 23-itmes questionnaire.
The KCCQ-score range: from 0 (worst) to 100 (best).
Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in Pittsburgh sleep quality index (PSQI) score. Change in PSQI total score from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed.The PSQI as a measure of sleep quality will be assessed as self-administered 19-itmes questionnaire.
The PSQI-score range: 0 (best) to 21 (worst).
Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in left ventricular ejection fraction (LVEF). Change LVEF from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The LVEF will be measured via transthoracic echocardiography (TTE). Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in pulmonary artery systolic pressure (PASP). Change PASP from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The PASP will be measured via transthoracic echocardiography (TTE). Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in peak oxygen uptake (VO2peak). Change in VO2peak from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The VO2peak as a measure of aerobic capacity will be assessed via cardio-pulmonary exercise test (CPET). Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in ventilation to end-tidal carbon dioxide partial pressure (VE/ETCO2) slope. Change in VE/PETCO2 slope from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The VE/PETCO2 slope as a prognostic marker in HF will be assessed via cardio-pulmonary exercise test (CPET). Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in stimulus response to cold pressor test (CPT) of muscle sympathetic nerve activity (MSNA) . Change in MSNA stimulus response from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The MSNA will be measured via transcutanous microneurography before and after cold pressor test (CPT). Change between baseline (0 weeks) and after 12 weeks of treatment.
Other Change in leg skin tissue sodium content (Skin-Na). Change in Skin-Na from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The Skin-Na will be measured via 23Na-magnetic resonance imaging (23Na-MRI) technique. Change between baseline (0 weeks) and after 12 weeks of treatment.
Primary Change in relative plasma volume status (PVS). Change in relative plasma volume status (PVS) from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The plasma volume (PV) will be measured via optimized CO-rebreathing technique. Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in blood volume (BV). Change in BV from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The BV will be measured via optimized CO-rebreathing technique. Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in red blood cell volume (RBCV). Change in RBCV from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The RBCV will be measured via optimized CO-rebreathing technique. Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in total hemoglobin mass (Hbmass). Change in Hbmass from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The Hbmass will be measured via optimized CO-rebreathing technique. Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in extracellular to total body water ratio (ECW/TBW). Change in ECW/TBW ratio from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The ECW/TBW ratio will be measured via direct segmental multi-frequency bioelectrical impedance analaysis (DSM-BIA). Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in intracellular to total body water ratio (ICW/TBW). Change in ICW/TBW ratio from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The ICW/TBW ratio will be measured via direct segmental multi-frequency bioelectrical impedance analaysis (DSM-BIA). Change between baseline (0 weeks) and after 2, 6 and 12 weeks of treatment.
Secondary Change in flicker-light induced retinal arteriolar dilatation (FIDa). Change in FIDa from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The FIDa will be measured via dynamic retinal vessel analysis (DVA). Change between baseline (0 weeks) and after 12 weeks of treatment.
Secondary Change in flicker-light induced retinal venular dilatation (FIDv). Change in FIDv from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The FIDv will be measured via dynamic retinal vessel analysis (DVA). Change between baseline (0 weeks) and after 12 weeks of treatment.
Secondary Change in retinal arterial to venous ratio (AVR). Change in AVR from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The AVR will be measured via static retinal vessel analysis (SVA). Change between baseline (0 weeks) and after 12 weeks of treatment.
Secondary Change in pulse wave velocity (PWV). Change in PWV from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The PWV as measure of arterial stiffness (AS) will be assessed via planar tonometry pulse wave analysis (PWA). Change between baseline (0 weeks) and after 12 weeks of treatment.
Secondary Change in flow-mediated dilatation (FMD) of the brachial artery. Change in FMD from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The FMD as measure of endothelial function will be assessed via arm sonography and short-term cuff-mediated arm ischemia. Change between baseline (0 weeks) and after 12 weeks of treatment.
Secondary Change in glyceryl-trinitrate-(GTN) induced dilatation of the brachial artery. Change in GTN-induced dilatation of the brachial artery from baseline to 12 weeks of dapagliflozin treatment in comparison to placebo will be assessed. The GTN-induced dilatation of the brachial artery will be measured via arm sonography and sublingual GTN-puff. Change between baseline (0 weeks) and after 12 weeks of treatment.
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