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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05812755
Other study ID # 222089
Secondary ID R01HL164909
Status Recruiting
Phase Phase 4
First received
Last updated
Start date May 19, 2023
Est. completion date November 2027

Study information

Verified date July 2023
Source Vanderbilt University Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this mechanistic clinical trial is to learn about the effects of medications called soluble guanylyl cyclase stimulators on vascular function and markers of kidney and brain injury in patients having heart surgery. The main questions it aims to answer are: 1. Does soluble guanylyl cyclase stimulation improve blood vessel function compared to placebo? 2. Does soluble guanylyl cyclase stimulation decrease markers of kidney injury and brain injury compared to placebo? Participants will be randomized to a soluble guanylyl cyclase stimulator called vericiguat or placebo, and researchers will compare vascular function and markers of brain and kidney injury to see if vericiguat improves vascular function and reduces markers of injury. This will provide important information to determine the underlying reasons that patients have some kidney and brain function problems after having heart surgery.


Description:

Patients undergoing elective cardiac surgery will be randomized to the soluble guanylyl cyclase stimulator vericiguat versus placebo before surgery through the day of surgery and vascular function will be quantified using ultrasound and direct assessment of arterial relaxation ex-vivo. Markers of brain and kidney injury will be measured in plasma and urine.


Recruitment information / eligibility

Status Recruiting
Enrollment 170
Est. completion date November 2027
Est. primary completion date October 2026
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Age =18 years 2. Elective open-heart surgery, defined as surgery on the heart or aorta that requires sternotomy or thoracotomy Exclusion Criteria: 1. Intolerance to vericiguat 2. Use of other soluble guanylyl cyclase stimulators or current use of phosphodiesterase-5 inhibitors 3. Pregnancy or breast feeding. Pregnancy will be excluded in women of child-bearing potential by a urine or serum beta hcg test 4. Renal replacement therapy within 30 days prior to screening 5. Estimated glomerular filtration rate <15 ml/min per 1.73 m2 per Chronic Kidney Disease Epidemiology collaboration (CKD-EPI) equation at time of screening 6. Systolic blood pressure less than 120 mmHg at the time of screening 7. Prior kidney transplantation 8. History of significant liver dysfunction (defined as Child-Pugh class C) 9. Surgery scheduled to be performed with circulatory arrest 10. Surgery scheduled to correct a major congenital heart defect 11. Extracorporeal membrane oxygenation (ECMO) prior to surgery 12. Active systemic infection or surgery for infectious endocarditis 13. Ventricular assist device or intraaortic balloon pump support prior to surgery 14. Prisoners

Study Design


Intervention

Drug:
Vericiguat
Vericiguat 10 mg administered orally starting 2 days prior to heart surgery through the day of surgery
Placebo
Matched placebo administered orally starting 2 days prior to heart surgery through the day of surgery

Locations

Country Name City State
United States Vanderbilt University Medical Center Nashville Tennessee

Sponsors (2)

Lead Sponsor Collaborator
Vanderbilt University Medical Center National Heart, Lung, and Blood Institute (NHLBI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Exploratory clinical outcome: serum creatinine Serum creatinine Postoperative day 0 up to 1 year postoperatively (e.g., approximately 1 year after the day of surgery)
Other Exploratory clinical outcome: Kidney Disease Improving Global Outcomes (KDIGO) Acute Kidney Injury (AKI) Incidence of KDIGO creatinine criteria AKI Postoperative day 0 up to 1 year postoperatively (e.g., approximately 1 year after the day of surgery)
Other Exploratory clinical outcome: delirium Incidence (percent of participants) with a positive delirium exam measured using the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU). Postoperative day 0 to 10 days postoperatively
Other Exploratory clinical outcome: delirium severity Severity of delirium measured using the CAM-ICU-7 score for at least 3 days postoperatively up to 10 days postoperatively for participants who remain in ICU. This is a 7 point scale score with higher scores indicating higher severity of delirium Postoperative day 0 to 10 days postoperatively
Other Exploratory clinical outcome: Infection Infection defined as initiation of antibiotics postoperatively not part of perioperative antibiotic prophylaxis. Postoperative day 0 to 10 days postoperatively
Other Exploratory clinical outcome: Respiratory failure Respiratory failure defined as the need for mechanical ventilation Postoperative day 0 to hospital discharge (e.g., up to approximately 30 days following surgery)
Other Exploratory clinical outcome: Thrombocytopenia Thrombocytopenia defined at platelet count less than 50,000 Postoperative day 0 to hospital discharge(e.g., up to approximately 30 days following surgery)
Other Exploratory clinical outcome: Arrythmia Arrhythmia defined the onset of new atrial or ventricular dysrhythmia Postoperative day 0 to hospital discharge (e.g., up to approximately 30 days following surgery)
Other Exploratory clinical outcome: Intensive care unit (ICU) length of stay ICU length of stay in days Postoperative day 0 to until discharge from the ICU (e.g. up to approximately 10 days following surgery)
Other Exploratory clinical outcome: Hospital length of stay Hospital length of stay in days Postoperative day 0 to hospital discharge (e.g., up to approximately 30 days following surgery)
Other Exploratory clinical outcome: Death Mortality measured up to one year Postoperative day 0 to one year postoperatively
Other Exploratory cognitive status outcome: Telephone interview for cognitive status Six-month follow-up (Telephone Interview for Cognitive Status) obtained by phone interview. Maximum score is 41 and lower score indicates worse cognitive function. 6 months postoperatively
Other Exploratory functional status outcome: Katz Activities of Daily Living (ADL) assessment Activities of daily living will be assessed with the Katz ADL assessment via phone interview. This survey assesses independence in 6 activities, and will be summarized as the average number of independent activities. 6 months postoperatively
Other Exploratory functional status outcome: Pfeffer functional activities questionnaire Activities of daily living will be assessed with the Pfeffer functional activities questionnaire via phone interview. Maximum score is 30. A score of greater than 9 indicates impaired function and possible cognitive impairment. 6 months postoperatively
Primary Brachial artery flow-mediated dilation Percent change in brachial artery diameter from baseline to maximum post-forearm ischemia adjusted for shear-rate (Aim 1 primary outcome). Day of surgery
Primary Ex vivo vascular relaxation Ex vivo arterial relaxation (percent) in participants with available vascular tissue (Aim 1 primary outcome) Day of surgery
Primary Ubiquitin C-terminal hydrolase L1 (UCHL1) plasma concentration UCHL1 will be measured in plasma to quantify effects of vericiguat vs. placebo on neuronal injury (Aim 2 primary neuronal outcome) Enrollment through postoperative day 2
Primary Neutrophil gelatinase associated lipocalin (NGAL) urine concentration NGAL will be measured in urine to quantify effects of vericiguat vs. placebo on markers of renal injury (Aim 2 primary renal outcome) Enrollment through postoperative day 2
Secondary Phosphorylated vasodilator stimulated phosphoprotein (phospho-VASP) Soluble guanylyl cyclase stimulation will be further quantified as arterial phospho-VASP/VASP ratio(Aim 1 secondary outcome) Enrollment through postoperative day 2
Secondary Endothelial barrier breakdown - claudin-5 Endothelial barrier breakdown will be quantified as plasma concentration of claudin-5 (Aim 1 secondary outcome) Enrollment through postoperative day 2
Secondary Endothelium mediated inflammation and coagulation - plasminogen activator inhibitor-1 (PAI-1) Endothelium mediated inflammation and coagulation will be quantified as plasma concentration of PAI-1 (Aim 1 secondary outcome) Enrollment through postoperative day 2
Secondary Endothelial Activation - intercellular adhesion molecule 1 (ICAM1) Endothelial activation will be quantified as plasma concentrations of ICAM1 (Aim 1 secondary outcome) Enrollment through postoperative day 2
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