Assess mechanism of action of LCZ696 related to sodium excretion.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
32
Novartis Investigative Site
Moscow, Russia
24-hour Urinary Sodium Excretion
Urine was collected in 12-hour intervals, and of each pooled 24-hour (daily) sample, sodium concentration was measured. The measure type used for this outcome measure (OM) was Geometric Least square Means (LSM).
Time frame: day 1
Cumulative 7-day Urinary Sodium Excretion
Urine was collected in 12-hour intervals, and of each pooled 24-hour (daily) sample, sodium concentration was measured. The measure type used for this outcome measure (OM) was Geometric Least square Means (LSM).
Time frame: 7 day-cummulative (days 1 through 7)
24-hour Diuresis
Urine was collected in 12-hour intervals, and of each pooled 24-hour (daily) sample, urine volume was measured. The measure type used for this OM was Geometric LSM.
Time frame: day 1
7-day Cumulative Diuresis
Urine was collected in 12-hour intervals, and of each pooled 24-hour (daily) sample, urine volume was measured. The measure type used for this OM was Geometric LSM.
Time frame: 7-day cumulative (days 1 through 7)
Urinary Cyclic Guanosine Monophosphate (cGMP) Excretion Over 24 Hours
cGMP was analyzed at a central laboratory. The measure type used for this OM was Geometric LSM.
Time frame: day 1, day 6, day 7
Percent Change From Baseline in Plasma Mid-regional Pro-atrial Natriuretic Peptide (MR-proANP) Biomarker
MR-proANP was analyzed at a central laboratory.
Time frame: 2, 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 2, 4, 6 and 12 hours post dose on day 7
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Percent Change From Baseline in Brain Natriuretic Peptide (BNP) Biomarker
BNP was analyzed at a central laboratory.
Time frame: 0.5, 1, 2, 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 4, 6 and 12 hours post dose on day 7
Percent Change From Baseline in Mid-regional Pro-adrenomedullin (MR-proADM) Biomarker
MR-proADM was analyzed at a central laboratory.
Time frame: 2, 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 4, 6 and 12 hours post dose on day 7
Percent Change From Baseline in C-type Natriuretic Peptide (proCNP) Biomarker
ProCNP was analyzed at a central laboratory.
Time frame: 2, 4, 6, 8 and 12 hours post dose on day 1; day 2; 0, 4, 6, 8 and 12 hours post dose on day 7
Percent Change From Baseline in C-terminal-proendothelin-1 (CT-proET-1) Biomarker
CT-proET-1 was analyzed at a central laboratory.
Time frame: 12 hours post dose on day 1; 24 hours post dose on day 2; 0 and 12 hours post dose on day 7
Percent Change From Baseline in N-terminal-proBNP (NT-proBNP) Biomarker
NT-proBNP was analyzed at a central laboratory.
Time frame: 2, 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 4, 6 and 12 hours post dose on day 7
Percent Change From Baseline in Aldosterone Biomarker
Aldosterone was analyzed at a central laboratory.
Time frame: 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 6 and 12 hours post dose on day 7
Percent Change From Baseline in Urinary Electrolyte Excretion (Sodium, Potassium, Chloride and Calcium)
Urine was collected in 12-hour intervals, and of each pooled 24-hour (daily) sample, sodium, potassium, albumin and calcium were measured.
Time frame: 2, 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 4, 6 and 12 hours post dose on day 7
Percent Change From Baseline in Blood Plasma Creatinine
Blood plasma creatinine was analyzed at a central laboratory.
Time frame: 4, 6 and 12 hours post dose on day 1; 24 hours post dose on day 2; 0, 4, 6 and 12 hours post dose on day 7
Glomerular Filtration Rate (GFR) Over Time
GFR was used as a measure of renal function.
Time frame: 0, 2, 4 and 6 hours post dose on day 1; 0, 2, 4 and 6 hours post dose on day 7
Renal Blood Flow (RBF) Over Time
RBF was used as a measure of renal function.
Time frame: 0, 2, 4 and 6 hours post dose on day 1; 0, 2, 4 and 6 hours post dose on day 7
Supine Systolic Blood Pressure
Systolic blood pressure measurements were taken.
Time frame: 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 1; day 2; 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 7
Supine Diastolic Blood Pressure
Diastolic blood pressure measurements were taken.
Time frame: 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 1; day 2; 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 7
Supine Pulse Rate
Pulse rate measurements were taken.
Time frame: 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 1; day 2; 0, 0.5, 1, 2, 4, 8 and 12 hours post dose on day 7