- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01516346
Vasodilator Therapy for Heart Failure and Preserved Ejection Fraction
Effect of Organic Nitrates and Hydralazine on Wave Reflections and Left Ventricular Structure and Function in Heart Failure With Preserved Ejection Fraction
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- Philadelphia VA Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Previous clinical diagnosis of heart failure with current New York Heart Association Class II-IV symptoms.
- LV ejection fraction >50% on a clinically indicated echocardiogram or ventriculogram within 12 months prior to consent, in the absence of a change in cardiovascular status, as assessed by the principal investigators.
Must have had at least one of the following within the 12 months prior to consent
- Hospitalization for decompensated HF
- Acute treatment for HF with intravenous loop diuretic or hemofiltration.
- Chronic treatment with a loop diuretic for control of HF symptoms.
- Chronic diastolic dysfunction on echocardiography as evidenced by left atrial enlargement or at least stage II diastolic dysfunction.
- Documentation of elevated NT-pro BNP levels or other natriuretic peptide marker (BNP, ANP) according to the laboratory and assay upper limit of normal in the previous year.
Stable medical therapy as defined by:
- No addition or removal of ACE, ARB, beta-blockers, or calcium channel blockers (CCBs) for 30 days.
- No change in dosage of ACE, ARBs, beta-blockers or CCBs of more than 100% for 30 days.
- No change in diuretic dose for 10 days.
Exclusion Criteria:
- Rhythm other than sinus rhythm (i.e., atrial fibrillation).
- Neuromuscular, orthopedic or other non-cardiac condition that prevents patient from walking in a hallway.
- Non-cardiac condition limiting life expectancy to less than one year, per physician judgment.
- Current or anticipated future need for nitrate therapy.
- Valve disease (> mild aortic or mitral stenosis; > moderate aortic or mitral regurgitation).
- Hypertrophic cardiomyopathy.
- Known infiltrative or inflammatory myocardial disease (amyloid, sarcoid).
- Pericardial disease.
- Primary pulmonary arteriopathy.
- Have experienced a myocardial infarction or unstable angina, or have undergone percutaneous transluminal coronary angiography (PTCA) or coronary artery bypass grafting (CABG) within 60 days prior to consent, or requires either PTCA or CABG at the time of consent.
- Other clinically important causes of dyspnea such as morbid obesity or significant lung disease defined by clinical judgment or use of steroids or oxygen for lung disease.
- Systolic blood pressure < 110 mmHg or > 180 mm Hg.
- Diastolic blood pressure < 40 mmHg or > 100 mmHg.
- Resting heart rate (HR) > 100 bpm.
- A history of reduced ejection fraction (EF<50%).
- Severe renal dysfunction (estimated GFR <30 ml/min/1.73m2 by modified MDRD equation) GFR (mL/min/1.73 m2) = 175 x (Scr)-1.154 x (Age)-0.203 x (0.742 if female) x (1.210 if African American) (conventional units), which would impede the safe administration of gadolinium for MRI studies contrast.
- Hemoglobin <10 g/dL.
- Patients with known severe liver disease (AST > 3x normal, alkaline phosphatase or bilirubin > 2x normal).
- Patients with a clinically indicated stress test demonstrating significant ischemia within a year of enrollment which was not followed by percutaneous or surgical revascularization.
- Listed for cardiac transplantation.
- Allergy to isosorbide dinitrate or hydralazine.
- Current therapy with phosphodiesterase inhibitors, such as sildenafil, vardenafil or tadalafil, since the combination of nitrates and phosphodiesterase inhibitors can result in severe hypotension.
- We will also exclude patients who are not suitable candidates for a cardiac MRI by virtue of having the following absolute or relative contraindications: (i) Central nervous system aneurysm clips; (ii) Implanted neural stimulators; (iii) Implanted cardiac pacemaker or defibrillator; (iv) Cochlear implant; (v) Ocular foreign body (e.g. metal shavings); (vi) Other implanted medical devices: (e.g. drug infusion ports); (vii) Insulin pump; (viii) Metal shrapnel or bullet; (ix) Claustrophobia; (x) Extreme obesity rendering the patient unable to fit into narrow-bore scanners; (xi) Unwillingness of the patient to undergo a cardiac MRI. All patients with metallic implants will be individually evaluated prior to MRI.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Isosorbide dinitrate
Research pharmacy-formulated capsules will be given to the subjects in two bottles. For this interventional arm, one of the bottles will contain the active ingredient Isosorbide Dinitrate and the other will contain placebo capsules. Dosage of Isosorbide Dinitrate will be 20mg (if Stage 1) OR 40mg (if Stage 2). All the subjects will be uptitrated to Stage 2 dosing, if they tolerate Stage 1 dosing. Frequency is three times daily to be taken at 8 AM, 2 PM and 8 PM. Duration is for 24 weeks. |
Enrolled subjects will be randomized in a blinded fashion to 1 isosorbide dinitrate capsule TID + 1 placebo capsule TID.
In addition, all subjects will receive a single in-lab dose of 0.4 mg of sublingual nitroglycerine (open label) before randomization to the blinded study drugs.
Subjects receiving isosorbide dinitrate will be given 20mg PO q8am, 2pm, and 8pm and will be titrated up to 40mg PO q8am, 2pm, and 8pm.
|
Active Comparator: Isosorbide dinitrate + Hydralazine
Research pharmacy-formulated capsules will be given to the subjects in two bottles. For this interventional arm, one of the bottles will contain the active ingredient Isosorbide Dinitrate and the other will contain the active ingredient Hydralazine. Dosage of Isosorbide Dinitrate will be 20mg (if Stage 1) OR 40mg (if Stage 2). All the subjects will be uptitrated to Stage 2 dosing, if they tolerate Stage 1 dosing. Frequency is three times daily to be taken at 8 AM, 2 PM and 8 PM. Duration is for 24 weeks. Dosage of Hydralazine will be 37.5mg (if Stage 1) OR 75mg (if Stage 2). All the subjects will be uptitrated to Stage 2 dosing, if they tolerate Stage 1 dosing. Frequency is three times daily, to be taken at 8 AM, 2 PM and 8 PM. Duration is for 24 weeks. |
Enrolled subjects will be randomized in a blinded fashion to 1 isosorbide dinitrate capsule TID + 1 hydralazine capsule TID.
In addition, all subjects will receive a single in-lab dose of 0.4 mg of sublingual nitroglycerine (open label) before randomization to the blinded study drugs.
Subjects receiving isosorbide dinitrate will be given 20mg PO q8am, 2pm, and 8pm and will be titrated up to 40mg PO q8am, 2pm, and 8pm.
Subjects receiving hydralazine will be given 37.5mg PO q8am, 2pm, and 8pm and will be titrated up to 75mg PO q8am, 2pm, and 8pm.
|
Placebo Comparator: Placebo
Research pharmacy-formulated capsules will be given to subjects in two bottles. For this interventional arm, both the bottles will contain placebo capsules. Dosage will be same regardless of up-titration from Stage 1 dosing to Stage 2 dosing. Frequency is three times daily, to be taken at 8 AM, 2 PM and 8 PM. Duration is for 24 weeks. |
Enrolled subjects will be randomized in a blinded fashion to 2 placebo capsules TID.
In addition, all subjects will receive a single in-lab dose of 0.4 mg of sublingual nitroglycerine (open label) before randomization to the blinded study drugs.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Wave Reflection Magnitude
Time Frame: 24 weeks
|
The dimensionless ratio of backward (reflected) to forward wave amplitude.
Higher values imply more wave reflection.
|
24 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
LV Mass
Time Frame: 24 weeks
|
LV mass measured by MRI, in grams normalized to height in meters raised to the 1.7 power (m^1.7)
|
24 weeks
|
Quality of Life (Kansas City Cardiomyopathy Questionnaire Score)
Time Frame: 24 weeks
|
Quality of life, assessed with the Kansas City cardiomyopathy questionnaire (overall summary score, which ranges from 0 to 100).
Higher values imply better quality of life.
|
24 weeks
|
Early Diastolic Mitral Annular Velocity
Time Frame: 24 weeks
|
Diastolic mitral annular velocity measured at the basal septal mitral annulus
|
24 weeks
|
Myocardial Extracellular Volume Fraction
Time Frame: 24 weeks
|
Myocardial extracellular volume, expressed as percent of total tissue volume, measured by MRI (T1 mapping pre and post-gadolinium administration)
|
24 weeks
|
Collaborators and Investigators
Publications and helpful links
General Publications
- Brooks D, Solway S, Gibbons WJ. ATS statement on six-minute walk test. Am J Respir Crit Care Med. 2003 May 1;167(9):1287. doi: 10.1164/ajrccm.167.9.950. No abstract available.
- Chirinos JA, Segers P. Noninvasive evaluation of left ventricular afterload: part 1: pressure and flow measurements and basic principles of wave conduction and reflection. Hypertension. 2010 Oct;56(4):555-62. doi: 10.1161/HYPERTENSIONAHA.110.157321. Epub 2010 Aug 23.
- Chirinos JA, Segers P. Noninvasive evaluation of left ventricular afterload: part 2: arterial pressure-flow and pressure-volume relations in humans. Hypertension. 2010 Oct;56(4):563-70. doi: 10.1161/HYPERTENSIONAHA.110.157339. Epub 2010 Aug 23.
- Bhuiyan T, Maurer MS. Heart Failure with Preserved Ejection Fraction: Persistent Diagnosis, Therapeutic Enigma. Curr Cardiovasc Risk Rep. 2011 Oct;5(5):440-449. doi: 10.1007/s12170-011-0184-2.
- Endo H, Shiraishi H, Yanagisawa M. Afterload reduction by hydralazine in children with a ventricular septal defect as determined by aortic input impedance. Cardiovasc Drugs Ther. 1994 Feb;8(1):161-6. doi: 10.1007/BF00877105.
- Greig LD, Leslie SJ, Gibb FW, Tan S, Newby DE, Webb DJ. Comparative effects of glyceryl trinitrate and amyl nitrite on pulse wave reflection and augmentation index. Br J Clin Pharmacol. 2005 Mar;59(3):265-70. doi: 10.1111/j.1365-2125.2004.02334.x.
- Lind L, Pettersson K, Johansson K. Analysis of endothelium-dependent vasodilation by use of the radial artery pulse wave obtained by applanation tonometry. Clin Physiol Funct Imaging. 2003 Jan;23(1):50-7. doi: 10.1046/j.1475-097x.2003.00469.x.
- Bradley JG, Davis KA. Orthostatic hypotension. Am Fam Physician. 2003 Dec 15;68(12):2393-8.
- Downing GJ, Maulik D, Phillips C, Kadado TR. In vivo correlation of Doppler waveform analysis with arterial input impedance parameters. Ultrasound Med Biol. 1993;19(7):549-59. doi: 10.1016/0301-5629(93)90078-3.
- Elkayam U, Bitar F. Effects of nitrates and hydralazine in heart failure: clinical evidence before the african american heart failure trial. Am J Cardiol. 2005 Oct 10;96(7B):37i-43i. doi: 10.1016/j.amjcard.2005.07.031. Epub 2005 Aug 9.
- Chirinos JA, Bhattacharya P, Kumar A, Proto E, Konda P, Segers P, Akers SR, Townsend RR, Zamani P. Impact of Diabetes Mellitus on Ventricular Structure, Arterial Stiffness, and Pulsatile Hemodynamics in Heart Failure With Preserved Ejection Fraction. J Am Heart Assoc. 2019 Feb 19;8(4):e011457. doi: 10.1161/JAHA.118.011457.
- Zamani P, Akers S, Soto-Calderon H, Beraun M, Koppula MR, Varakantam S, Rawat D, Shiva-Kumar P, Haines PG, Chittams J, Townsend RR, Witschey WR, Segers P, Chirinos JA. Isosorbide Dinitrate, With or Without Hydralazine, Does Not Reduce Wave Reflections, Left Ventricular Hypertrophy, or Myocardial Fibrosis in Patients With Heart Failure With Preserved Ejection Fraction. J Am Heart Assoc. 2017 Feb 20;6(2):e004262. doi: 10.1161/JAHA.116.004262.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Heart Diseases
- Cardiovascular Diseases
- Heart Failure
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Vasodilator Agents
- Natriuretic Agents
- Diuretics, Osmotic
- Diuretics
- Nitric Oxide Donors
- Isosorbide
- Isosorbide Dinitrate
- Isosorbide-5-mononitrate
- Hydralazine
Other Study ID Numbers
- 01340
- 5R21AG043802-02 (U.S. NIH Grant/Contract)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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