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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.

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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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