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Single-pill combination of cilnidipine, an L-/N-type calcium channel blocker, and valsartan effectively reduces home pulse pressure in patients with uncontrolled hypertension and sympathetic hyperactivity: The HOPE-Combi survey.

ABSTRACT: The home blood pressure (BP) control by a single-pill combination of cilnidipine (an L-/N-type calcium channel blocker; CCB) and valsartan (HOPE-Combi) survey is a multicenter, post-marketing, prospective observational study of a single-pill combination of cilnidipine 10 mg and valsartan 80 mg (SPC of Cil/Val) in patients with uncontrolled hypertension. We examined the effects of the SPC of Cil/Val on morning home systolic BP (MHSBP) and morning home pulse pressure (MHPP) of 1036 patients with hypertension over 12 months. MHSBP decreased by 14.0 mm Hg (P < .01), and MHPP decreased by 6.6 mm Hg (P < .01). Moreover, morning home pulse rate (MHPR) decreased by 2.1 bpm (P < .01). A more progressive and greater decrease in MHSBP (-17.2 vs -10.3 mm Hg, P < .01) and MHPP (-7.6 vs -4.9 mm Hg, P < .01) was observed in patients with higher MHPR (≥70 bpm) than in those with lower MHPR (<70 bpm) over the treatment period. In particular, in patients with a wide MHPP (≥70 mm Hg), the difference in the MHPP reduction was greater in patients with higher MHPR than in those with lower MHPR (-17.9 vs -13.6 mm Hg, P < .01). These results suggested that the SPC of Cil/Val, which possesses the unique sympatholytic characteristics of an L-/N-type CCB, was particularly effective in patients with uncontrolled hypertension and sympathetic hyperactivity.

SUBMITTER: Kario K

PROVIDER: S-EPMC8029828 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:AIMS:Autonomic dysfunction can promote atrial fibrillation (AF) and results from AF-related remodelling. N-type Ca2+-channels (NTCCs) at sympathetic nerve terminals mediate Ca2+-entry that triggers neurotransmitter release. AF-associated remodelling plays an important role in AF pathophysiology but the effects of NTCC inhibition on such remodelling is unknown. Here, we investigated the ability of a clinically available Ca2+-channel blocker (CCB) with NTCC-blocking activity to suppress the arrhythmogenic effects of AF-promoting remodelling in dogs. METHODS AND RESULTS:Mongrel dogs were kept in AF by right atrial tachypacing at 600 bpm. Four groups were studied under short-term AF (7 days): (i) Shams, instrumented but without tachypacing (n = 5); (ii) a placebo group, tachypaced while receiving placebo (n = 6); (iii) a control tachypacing group receiving nifedipine (10 mg orally twice-daily; n = 5), an L-type CCB; and (iv) a cilnidipine group, subjected to tachypacing and treatment with cilnidipine (10 mg orally twice-daily; n = 7), an N-/L-type CCB. With cilnidipine therapy, dogs with 1-week AF showed significantly reduced autonomic changes reflected by heart rate variability (decreases in RMSSD and pNN50) and plasma norepinephrine concentrations. In addition, cilnidipine-treated dogs had decreased extracellular matrix gene expression vs. nifedipine-dogs. As in previous work, atrial fibrosis had not yet developed after 1-week AF, so three additional groups were studied under longer-term AF (21 days): (i) Shams, instrumented without tachypacing or drug therapy (n = 8); (ii) a placebo group, tachypaced while receiving placebo (n = 8); (iii) a cilnidipine group, subjected to tachypacing during treatment with cilnidipine (10 mg twice-daily; n = 8). Cilnidipine attenuated 3-week AF effects on AF duration and atrial conduction, and suppressed AF-induced increases in fibrous-tissue content, decreases in connexin-43 expression and reductions in sodium-channel expression. CONCLUSIONS:Cilnidipine, a commercially available NTCC-blocking drug, prevents AF-induced autonomic, electrical and structural remodelling, along with associated AF promotion.

Project description:ObjectivesAmbulatory blood pressure monitoring (ABPM) has greater predictive value than office blood pressure (BP) with respect to hypertension-related target-organ damage and morbidity. ABPM in a subset of 80 patients from the Exforge Target Achievement trial (N=728) was used to compare the efficacy of intensive-treatment and moderate-treatment regimens of amlodipine/valsartan, and to determine whether treatment differences could be better assessed with ABPM than with office or home BP. Home BP was measured on the morning of clinic visits to minimize differences that timing might have on home versus office BP measures.MethodsA 12-week randomized, double-blind study in which hypertensive patients earlier uncontrolled (mean sitting systolic BP≥150 and <200 mmHg) on angiotensin receptor blocker monotherapy (other than valsartan) after 28 days or more (N=728) were randomized to amlodipine/valsartan treatment [10/320 mg (intensive) or 5/160 mg (moderate)]. Treatment-naive patients (in previous 28 days) or patients who failed on a nonangiotensin receptor blocker agent underwent a 28-day run-in period with a 20-mg or 40-mg dose of olmesartan, respectively.ResultsSignificantly greater 24-h ABP reductions from baseline to week 4 (primary time point) were observed with intensive versus moderate treatment (least-square mean systolic/diastolic BP reduction of -16.2/-10.1 vs. -9.5/-6.5 mmHg; P=0.0024/P=0.010 for least-square mean difference). Similarly, a significantly greater proportion of patients receiving an intensive treatment achieved ambulatory BP goal (<130/80 mmHg) at week 4 than did those receiving a moderate treatment (P=0.040). Treatment-group differences did not reach statistical significance for these end points when measured by office and home BP.ConclusionIn this first randomized trial evaluating the effects of intensive versus moderate dosing of the combination of amlodipine/valsartan, our data suggest that ABPM was a better method for assessing between-treatment differences than clinic or home BP recordings, although measurement of home BP as a single recording was a limitation of our trial.

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Single-pill combination of cilnidipine, an L-/N-type calcium channel blocker, and valsartan effectively reduces home pulse pressure in patients with uncontrolled hypertension and sympathetic hyperactivity: The HOPE-Combi survey.

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