- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05279742
Enhancing the Natriuretic Peptide System in HFpEF
Enhancing the Natriuretic Peptide System in HFpEF: A Randomized Double-Blind Placebo-Controlled Triple Crossover Study
Study Overview
Status
Intervention / Treatment
Detailed Description
Visit 1
Consent Visit: Possible study participants will meet with study coordinator to review consent form. After enrollment into the study. Diet instructions will be given by a dietician about a no added salt diet, 120 mEq Na/day, which will be maintained throughout the study period. Comprehensive metabolic panel and complete blood count with differential and uring pregnancy test (for premenopausal women) will be obtained as well as a brief physical exam or nursing assessment. Visit 2 will be scheduled at least one week out from consent visit to accommodate diet compliance, unless participant is already compliant with salt intake parameter. Instructions for completing a 24-hour urine collection, and container for Study Visit 2, will be given.
Subjects who are taking angiotensin converting enzyme inhibitors (ACEI) will be switched over to an equivalent dose of Valsartan or Losartan which will be maintained for the rest of the study period.
Visit 2
Participants will start a twenty-four hour urine collection one day prior to the active study day.
Subjects will be admitted to the CRU. First urine void after admission collected (Visit 2 Study Day only). A physical exam or nursing assessment will be done as well as a urine pregnancy test (for premenopausal women). On the active study day, subjects will withhold their usual dose of medications and will be placed in the supine position for 1 hour. During the first 15 minutes, two standard intravenous (IV) catheters will be placed (one in each arm). One catheter will be used for infusion and the other (in the contralateral arm) for blood sampling. A bladder ultrasound will be completed after the participant's first void after admitting to assess for urine retention. Subjects will be asked to drink 10ml/Kg of water to insure sufficient urinary flow. A priming dose (calculated according to body size) of Iohexol, to measure glomerular filtration rate (GFR), is infused, followed by a constant rate IV sustaining dose (calculated according to estimated kidney function) of Iohexol. The subjects will be asked to empty their bladder spontaneously every thirty minutes (if subjects are unable to void every thirty minutes, a urinary catheter will be used upon consent). Throughout the study, at the end of each 30-minute clearance period, subjects will be asked to drink an amount of water equivalent to the sum of the blood losses and the urinary flow.
Blood pressure will be measured at 20-minute intervals by using an automatic blood pressure cuff, and heart rate will be continuously monitored by electrocardiography. Echocardiography will be performed during these baseline clearances to determine left atrial (LA) and LV volumes and systolic and diastolic function.
After the baseline clearance, the subjects will be randomized to receive either a) double placebo (oral and SQ) or b) Oral Sacubatril/valsartan (Entresto 97/103 mg) + SQ placebo or c) SQ MANP (5 µg/Kg) + oral placebo. One hour after the administration of the oral medication, the SQ injection will be administered. Thirty minutes after the administration of SQ injection, the acute saline load will be administered (normal saline 0.9% 0.25 ml/kg/min for 1 hour). Two 30-minute clearances (as outlined above) will be repeated with the subjects in a supine position during the saline infusion. As above, blood samples are collected midway during each clearance and urine samples are obtained every 30 minutes. Echocardiography will be repeated immediately after the end of the saline infusion, after which subjects will be allowed to eat a meal and be dismissed.
The subjects will return after at least 1 week of washout for the second crossover study
Visit 3
Visit 3 will take place the same as described in Visit 2, receiving one of the 2 medication administrations not received on Visit 2: (a) double placebo (oral and SQ) or b) Oral Sacubatril/valsartan (Entresto 97/103 mg) + SQ placebo or c) SQ MANP (5 µg/Kg) + oral placebo).
The subjects will return again after at least 1 week of washout for the third crossover study.
Visit 4
Visit 4 will take place the same as described in Visit 2, receiving the remaining of the medication administrations not received on Visit 2 or Visit 3: (a) double placebo (oral and SQ) or b) Ora Sacubatril/valsartan (Entresto 97/103 mg) + SQ placebo or c) SQ MANP (5 µg/Kg) + oral placebo).
At the end of Visit 4, study participation is complete.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
-
Minnesota
-
Rochester, Minnesota, United States, 55905
- Mayo Clinic in Rochester
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Group 1: HFpEF-CKD-will consist of 30 subjects with:
- Ejection fraction of equal or greater than 55%; and
- Evidence of increased LV filling pressures, including at least 2 of the following: average septal-lateral E/e' ratio ≥ 15; tricuspid regurgitation (TR) peak velocity > 2:8 m/s;
- Left atrial volume index >34mL/m^2 assessed by echocardiography; and
- Previous diagnosis of HF with New York Heart Association (NYHA) functional class II-III symptoms on chronic diuretic therapy; and
- CKD defined as glomerular filtration rate (eGFR) of 15-80 mL/min/1.73 m^2 as estimated by the Modification of Diet in Renal Disease equation. Subject needs to be on stable dose of chronic diuretic for at least 4 weeks prior to study and maintained on the same dose for the duration of the study. In addition to the exclusion criteria listed below, to ensure a more homogenous group of subjects, we will exclude subjects with Diabetes or BMI > 35 (because endogenous natriuretic peptide levels are low in obese subjects).
Group 2: HFpEF-EI-will consist of 30 subjects with:
- Ejection fraction of equal or greater than 55%; and
- Previous invasive determination of normal pulmonary capillary wedge pressure (< 15 mmHg) at rest and ≥ 25 mmHg during exercise; and
- New York Heart Association (NYHA) functional class II-III symptoms; and
- Glomerular filtration rate (eGFR) of > 50 mL/min/1.73 m^2 as estimated by the Modification of Diet in Renal Disease equation. In addition to the exclusion criteria listed below, to ensure a more homogenous group of subjects, we will exclude subjects with Diabetes or BMI>35 (because endogenous natriuretic peptide levels are low in obese subjects).
Exclusion Criteria:
- Body mass index > 35.
- Blood pressure < 100/60 or > 180/100 mmHg.
- Diabetes.
- Myocardial infarction within 6 months of screening.
- Unstable angina within 6 months of screening, or any evidence of myocardial ischemia.
- Significant valvular heart diseases.
- Hypertrophic, restrictive or obstructive cardiomyopathy.
- Constrictive pericarditis.
- Primary pulmonary hypertension.
- Biopsy proven active myocarditis.
- Severe congenital heart diseases.
- Cardiac amyloidosis.
- Fabry disease.
- Sarcoidosis.
- Sustained ventricular tachycardia or ventricular fibrillation within 14 days of screening.
- Second or third degree heart block without a permanent cardiac pacemaker.
- Stroke within 3 months of screening, or other evidence of significantly compromised CNS perfusion.
- Hemoglobin < 9 g/dl
- ALT > 2 times the upper limit of normal;
- serum sodium of < 135 mEq/dL or > 160 mEq/dL.
- Serum potassium of < 3.5 mEq/dL or > 5.7 mEq/dL.
- Other acute or chronic medical conditions or laboratory abnormality which may increase the risks associated with study participation or may interfere with interpretation of the data.
- Received an investigational drug within 1 month prior to dosing.
- Patients with an allergy to iodine;
- female subject who is pregnant or breastfeeding.
- In the opinion of the investigator, is unlikely to comply with the study protocol or is unsuitable for any reasons.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: HFpEF-CKD with MANP and oral placebo
Subjects with with HFpEF volume overload in the presence of chronic kidney diseases and clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive study drug MANP and an oral placebo followed by a 1 week washout period.
|
Single subcutaneous injection 5 µg/Kg
Oral single dose that contains no active ingredient
|
Experimental: HFpEF-EI with MANP and oral placebo
Subjects with with HFpEF with exercise induced dyspnea (difficult or labored breathing) without clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive study drug MANP and an oral placebo followed by a 1 week washout period.
|
Single subcutaneous injection 5 µg/Kg
Oral single dose that contains no active ingredient
|
Experimental: HFpEF-CKD with Sacbitril/Valsartan with an injected placebo
Subjects with with HFpEF volume overload in the presence of chronic kidney diseases and clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive study drug Sacbitril/Valsartan and an injected placebo followed by a 1 week washout period.
|
Oral single dose 97/103 mg
Other Names:
Single subcutaneous injection that contains no active ingredient
|
Experimental: HFpEF-EI with Sacbitril/Valsartan with an injected placebo
Subjects with with HFpEF with exercise induced dyspnea (difficult or labored breathing) without clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive study drug Sacbitril/Valsartan and an injected placebo followed by a 1 week washout period.
|
Oral single dose 97/103 mg
Other Names:
Single subcutaneous injection that contains no active ingredient
|
Placebo Comparator: HFpEF-CKD with an oral and injected placebo
Subjects with with HFpEF volume overload in the presence of chronic kidney diseases and clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive an oral and injected placebo followed by a 1 week washout period.
|
Oral single dose that contains no active ingredient
Single subcutaneous injection that contains no active ingredient
|
Placebo Comparator: HFpEF-EI with an oral and injected placebo
Subjects with with HFpEF with exercise induced dyspnea (difficult or labored breathing) without clinical symptoms at rest (e.g.
peripheral edema, weight gain, and abdominal distention) will receive an oral and injected placebo followed by a 1 week washout period.
|
Oral single dose that contains no active ingredient
Single subcutaneous injection that contains no active ingredient
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Plasma ANP
Time Frame: 24 hours
|
Change in Plasma ANP (pg/ml) level after administration of study drug/placebo compared to baseline in response to volume expansion in HFpEF-EI vs HFpEF-CKD.
|
24 hours
|
Change in Composite Score of cGMP, sodium excretion, GFR, and Anx-A1 Plasma cGMP, urinary cGMP, urinary sodium excretion, GFR, ANX-A1acute VE with MANP
Time Frame: 24 hours
|
A composite score of change in urinary cGMP (pmol/min), sodium excretion (mEq/min), GFR (ml/min), and Anx-A1 (pg/ml) after administration of study drug/placebo compared to baseline in response to volume expansion in HFpEF-EI vs HFpEF-CKD within each treatment group.
|
24 hours
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Plasma NT-pro BNP
Time Frame: 24 hours
|
Change in Plasma NT-pro BNP (pg/ml) after administration of study drug/placebo compared to baseline in response to volume expansion in HFpEF-EI vs HFpEF-CKD.
|
24 hours
|
Change in Plasma cGMP
Time Frame: 24 hours
|
Change in plasma cGMP (pmol/ml) after administration of study drug/placebo compared to baseline in response to volume expansion in HFpEF-EI vs HFpEF-CKD.
|
24 hours
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Paul M McKie, Mayo Clinic
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- Pathologic Processes
- Urologic Diseases
- Disease Attributes
- Renal Insufficiency
- Chronic Disease
- Female Urogenital Diseases
- Female Urogenital Diseases and Pregnancy Complications
- Urogenital Diseases
- Male Urogenital Diseases
- Kidney Diseases
- Renal Insufficiency, Chronic
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Angiotensin II Type 1 Receptor Blockers
- Angiotensin Receptor Antagonists
- Valsartan
- Sacubitril and valsartan sodium hydrate drug combination
Other Study ID Numbers
- 21-008978
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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