Active substanceNebivololNebivolol
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  • Dosage form: & nbsppills
    Composition:

    Each tablet contains: nebivolol hydrochloride at a dose equivalent to 5 mg of nebivolol.

    Excipients: lactose monohydrate 143.475 mg, corn starch 34.5 mg, croscarmellose sodium 13.8 mg, hypromelose 3.45 mg, microcrystalline cellulose 26.45 mg, silicon dioxide colloid 0.575 mg, magnesium stearate 2.3 mg.

    Description:Round biconvex tablets of white color with a risk on one side, with a bevel.
    Pharmacotherapeutic group:Beta1-blocker selective
    ATX: & nbsp

    C.07.A.B.12   Nebivolol

    Pharmacodynamics:

    Nebivolol is a lipophilic, cardioselective beta] adrenoblocker of the third generation with vasodilating properties. Has antihypertensive, anti-anginal and antiarrhythmic effect. Reduces elevated blood pressure (BP) at rest, with physical stress and stress. Competitively and selectively blocks synaptic and postsynaptic beta 1-adrenergic receptors, making them inaccessible to catecholamines, modulates the release of the endothelial vasodilating factor of nitric oxide (N0).

    Nebivolol is a racemate consisting of two enantiomers: SRRR- nebivolol (Dnebivolol) and RSSSNebivolol (LNebivolol), combining two pharmacological actions:

    - D-nibilol is a competitive and highly selective beta-adrenoreceptor blocker (affinity for beta1-adrenergic receptors is 293 times higher than for beta2 adrenergic receptors).

    - L- Nebivolol has a mild vasodilating effect due to the modulation of the release of the relaxing factor (N0) from the vascular endothelium.

    The hypotensive effect develops on the 2nd-5th day of treatment, stable effect is observed after 1 month. This effect persists with long-term treatment.

    The hypotensive effect is also due to a decrease in the activity of the renin-angiotensin-aldosterone system (does not directly correlate with a change in renin activity in the blood plasma).

    The use of nebivolol improves the indices of systemic and intracardiac hemodynamics. Nebivolol reduces heart rate and heart rate at rest and under physical exertion, reduces the end-diastolic pressure of the left ventricle, reduces the overall peripheral vascular resistance, improves the diastolic function of the heart (reduces filling pressure), increases the ejection fraction.

    Reducing the need for myocardium in oxygen (decreasing heart rate, reducing preload and afterload), reduces the number and severity of angina attacks and improves the tolerance of exercise.

    Antiarrhythmic effect is due to the suppression of the automaticity of the heart (including in the pathological focus) and the slowing of the atrioventricular (AV) conductivity.

    Pharmacokinetics:

    After oral administration nebivolol quickly absorbed from the gastrointestinal tract. Eating does not affect suction, so nebivolol can be taken regardless of food intake.

    Bioavailability averages 12% in patients with "fast" metabolism and is almost complete in patients with "slow" metabolism. The effectiveness of nebivolol does not depend on the metabolic rate.

    Clearance in the blood plasma in most patients (with a "fast" metabolism) is achieved within 24 hours, and for hydroxy metabolites - in a few days. Concentrations in blood plasma of 1-30 mcg / l are proportional to the dose.

    Connection with blood plasma proteins (mainly with albumin) for DThe nebivolol is 98.1%, and for L- nebivolol - 97.9%.

    Nebivolol is actively metabolized, in part with the formation of active hydroxymetabolites.The metabolic rate of nebivolol by aromatic hydroxylation is genetically determined by oxidative polymorphism and depends on the isoenzyme CYP2D6.

    After the administration of 38% (the amount of unchanged active substance is less than 0.5%), the dose is excreted by the kidneys and 48% by the intestine.

    In patients with "fast" metabolism, the values ​​of the half-life (T1/2) enantiomers of nebivolol from the blood plasma averagely 10 hours. In patients with a "slow" metabolism, these values ​​increase 3-5 times.

    In patients with "fast" metabolism, the T1/2 hydroxymetabolites of both enantiomers from blood plasma averagely 24 hours, in patients with a "slow" metabolism these values ​​are approximately 2-fold increased.

    The pharmacokinetics of nebivolol is not affected by age and sex of patients.

    Indications:

    - Ahyperthermia;

    - cardiac ischemia;

    - chronic heart failure (as an adjunct to standard therapy with diuretics, cardiac glycosides, ACE inhibitors, angiotensin II receptor antagonists).

    Contraindications:

    - Hypersensitivity to nebivolol or one of the components of the drug;

    - severe liver dysfunction;

    - acute heart failure;

    - cardiogenic shock;

    - chronic heart failure in the stage of decompensation (requiring inotropic therapy);

    - syndrome of weakness of the sinus node, including sinoatrial block;

    - atrioventricular blockade of II and III degree (without artificial pacemaker);

    - bronchospasm and bronchial asthma;

    - pheochromocytoma (without simultaneous use of alpha-blockers);

    - depression;

    - metabolic acidosis;

    - pronounced bradycardia (heart rate less than 50 beats per minute);

    - arterial hypotension;

    - severe severe impairment of peripheral circulation ("intermittent" lameness, Raynaud's syndrome);

    - age to 18 years;

    - lactose intolerance, lactase deficiency or glucose-galactose malosorption (the preparation contains lactose);

    - simultaneous administration with floktaphenin, sultopride (see Interactions with other drugs).

    Carefully:

    Caution should be applied to the drug with severe renal failure (creatinine clearance less than 20 ml / min), liver function disorders, diabetes mellitus, hyperthyroidism, desensitizing therapy, psoriasis, grade I atrioventricular block, prinzmetal angina, chronic obstructive pulmonary disease COPD), in elderly patients (over 65 years of age).

    Pregnancy and lactation:

    In pregnancy, the drug is prescribed only on strict indications, when the benefit to the mother exceeds the risk for the fetus (in connection with the possible development of a newborn bradycardia, arterial hypotension, hypoglycemia and respiratory paralysis). Treatment should be interrupted for 48-72 hours before delivery. In cases where this is not possible, it is necessary to ensure strict observation of the newborn within 48-72 hours after delivery.

    Studies in animals have shown that nebivolol excreted in breast milk. There is no data on the isolation of nebivolol in breast milk. Therefore, taking Nebivolol-Chaikafarm is not recommended for women during lactation. If the use of Nebivolol-Chaikafarm during lactation is necessary, then the breast Feeding should be discontinued.

    Dosing and Administration:

    Nebivolol-Chaikafarma should be taken inside at the same time of the day, regardless of food intake, without chewing and drinking with a sufficient amount of liquid. Arterial hypertension

    The average daily dose for the treatment of hypertension is 5 mg (1 tablet) 1 time per day.The optimal effect becomes pronounced after 1-2 weeks of treatment, and in some cases - after 4 weeks. It is possible to use the drug in monotherapy or as part of a combination therapy.

    If necessary, the daily dose can be increased to 10 mg (2 tablets of 5 mg at a time). The maximum daily dose is 10 mg.

    In patients with renal insufficiency, as well as in patients older than 65 years the initial dose is 2.5 mg / day (1/2 tablet of 5 mg). If necessary, increase the dose to 5 mg.

    At the expressed infringements of function of kidneys (KK less than 20 ml / mines) and at patients with serious diseases of a liver the maximum daily dose makes 10 mg. Increasing the dose in these patients should be done with extreme caution.

    Chronic heart failure

    Treatment of chronic heart failure should begin with a gradual increase in the dose until an individual optimal maintenance dose is reached. Selection of the dose at the beginning of treatment should be carried out according to the following scheme, maintaining weekly intervals and based on the tolerability of this dose by the patient: a dose of 1.25 mg (possibly using the drug nebivolol in another lek. form: tablets of 5 mg with a crosswise risk) once a day, can be increased first to 2.5 - 5 mg of the drug Nebivolol-Chaikafarm (1/2 tablets of 5 mg - 1 tablet), and then - up to 10 mg ( 2 tablets of 5 mg) once a day. The patient should be under the supervision of a doctor within 2 hours after taking the first dose of the drug, and also after each subsequent increase in the dose. Each dose increase should be carried out not later than 2 weeks. The maximum recommended dose for CHF therapy is 10 mg Nebivolol-Chaikafarm 1 time per day. During titration, regular monitoring of blood pressure, heart rate and symptoms is recommended CHF.

    During the titration phase, in case of worsening of the course of chronic heart failure or intolerance to the drug, it is recommended to reduce the dose of Nebivolol-Chaikafarm or, if necessary, stop taking it immediately (in case of pronounced arterial hypotension, worsening of CHF with acute pulmonary edema, in case of cardiogenic shock , symptomatic bradycardia, or AV blockade).

    Side effects:

    From the central nervous system: headache, dizziness, fatigue, paresthesia, depression, decreased ability to concentrate, drowsiness, insomnia, nightmares, hallucinations, loss of consciousness.

    From the digestive system: nausea, constipation, flatulence, diarrhea, dryness of the oral mucosa.

    From the side of the cardiovascular system: bradycardia, heart failure, AV blockade, orthostatic hypotension, peripheral circulatory disorders (cold sensation in the extremities, cyanosis), shortness of breath, heart rhythm disturbances, Raynaud's syndrome, peripheral edema, cardialgia, worsening of CHF flow1, marked decrease in blood pressure.

    Allergic reactions from the skin: skin itching, erythematous rash, angioedema, hyperemia of the skin, alopecia.

    From the respiratory system: bronchospasm (including in the absence of obstructive pulmonary disease in the anamnesis), bronchospasm in patients with bronchial asthma or airway obstruction in anamnesis, rhinitis.

    Other: photodermatosis, hyperhidrosis, exacerbation of psoriasis, visual impairment (dry eyes), a violation of potency.

    1 - This side effect predominantly occurs during the titration of the drug dose.

    Overdose:

    Data on overdose are absent.

    Symptoms: pronounced BP reduction, severe bradycardia, AV blockade, cardiogenic shock, acute heart failure, cardiac arrest, bronchospasm, unconsciousness, coma, nausea, vomiting, cyanosis.

    Treatment: washing the stomach, taking activated charcoal. In the case of a marked decrease in blood pressure, it is necessary to give the patient a horizontal position with raised legs, if necessary, with / in the administration of liquid and vasopressors.

    With severe bradycardia, intravenous infusion of 0.5-2 mg of atropine is administered, in the absence of a positive effect, a transvenous artificial pacemaker is available.

    When AV blockade (II-III century), intravenous administration of beta-adrenomimetics is recommended, if they are ineffective, consider setting up an artificial pacemaker. With heart failure treatment begins with the introduction of cardiac glycosides and diuretics, in the absence of effect, it is advisable to administer dopamine, dobutamine or vasodilators. When bronhospazme enter intravenously beta2- adrenomimetics.

    With ventricular extrasystole - lidocaine (antiarrhythmic drugs can not be administered IA class).

    Interaction:

    Floktafepine: in the case of shock or arterial hypotension caused by floktaphenin, beta-adrenoblockers weaken the compensatory mechanisms of the cardiovascular system.

    Sulphoprid: increased risk of ventricular arrhythmia, especially as a "pirouette" (torsade des pointes).

    With simultaneous use of beta-blockers with blockers of "slow" calcium channels (BCC) (verapamil and diltiazem) the negative effect on myocardial contractility and AVconductivity. Contraindicated in / in the administration of verapamil on the background of nebivolol. When combined with antihypertensive drugs, nitroglycerin or BCCC, severe arterial hypotension may develop (special caution is necessary when combined with prazosin).

    With simultaneous use with antiarrhythmic agents of the first class and with amiodarone, an increase in the negative inotropic effect and an extension of the time of excitation to the atria are possible.

    With the simultaneous use of nebivolol with cardiac glycosides, no increase in the effect on slowing AV conductivity.

    Simultaneous use of nebivolol and preparations for general anesthesia can cause suppression of reflex tachycardia and increase the risk of developing arterial hypotension.

    Clinically significant interactions of nebivolol and non-steroidal anti-inflammatory drugs (NSAIDs) have not been established. Acetylsalicylic acid as an antiplatelet agent can be used concomitantly with nebivolol. The simultaneous use of tricyclic antidepressants, barbiturates - and phenothiazine derivatives can enhance the antihypertensive effect of nebivolol.

    Pharmacokinetic interaction

    When used simultaneously with drugs that inhibit serotonin reuptake, or other means, biotransforming with the participation of isoenzyme CYP2D6, the metabolism of nebivolol slows down.

    With simultaneous application nebivolol did not affect the pharmacokinetic parameters of digoxin.

    With simultaneous use with cimetidine, the concentration of nebivolol in the blood plasma increases (data on the effect on the pharmacological effects of the drug are absent).The simultaneous use of ranitidine did not affect the pharmacokinetic parameters of nebivolol.

    With the simultaneous use of nebivolol with nicardipine, concentrations of active substances in the blood plasma increased slightly, but this has no clinical significance.

    Simultaneous administration of ethanol, furosemide or hydrochlorothiazide did not affect the pharmacokinetics of nebivolol.

    Clinically significant interactions of nebivolol and warfarin have not been established.

    With the simultaneous use of sympathomimetic drugs suppress the activity of nebivolol.

    Special instructions:

    The abolition of beta-adrenoblockers should be carried out gradually, within 10 days (up to 2 weeks in patients with coronary heart disease).

    Control of blood pressure and heart rate at the beginning of the drug should be daily.

    Older patients need control of kidney function (1 time in 4-5 months).

    With angina pectoris, the dose of the drug should provide a heart rate at rest within 55-60 bpm, with a load of no more than 110 beats per minute.

    Beta-adrenoblockers can cause bradycardia: the dose should be reduced if the heart rate is less than 50-55 bpm. (see section Contraindications).

    When deciding on the use of Nebivolol-Chaikafarm, patients with psoriasis should carefully correlate the intended use of the drug and the possible risk of exacerbation of psoriasis.

    Patients using contact lenses should take into account that the use of beta-blockers may reduce the production of tear fluid.

    When conducting surgical interventions, an anesthesiologist should be warned that the patient is receiving Nebivolol-Chaikafarma.

    Nebivolol does not affect the concentration of glucose in the blood plasma in patients with diabetes mellitus. Nevertheless, care should be taken in the treatment of these patients, since Nebivolol-Chaikafarma can mask certain symptoms of hypoglycemia (eg, tachycardia) caused by the use of hypoglycemic agents.

    Control of the concentration of glucose in the blood plasma should be done 1 time in 4-5 months. (in patients with diabetes mellitus).

    Beta-adrenoblockers should be used with caution in patients with COPD, as bronchospasm may worsen.

    With hyperfunction of the thyroid gland, the drug levels tachycardia.Beta-adrenoblockers can increase sensitivity to allergens and the severity of anaphylactic reactions.

    The effectiveness of beta-blockers in smokers is lower than in non-smoking patients.

    Effect on the ability to drive transp. cf. and fur:Research work has shown that nebivolol does not affect the speed of psychomotor reactions. Pilots flying crew with arterial hypertension I degree (admitted to flight work), the drug is prescribed in an initial dose of 2.5 mg. In the future (no earlier than 2 weeks) with good tolerability of treatment and insufficient control of blood pressure, a 2.5 mg dose increase is possible. The recommended dose is 5 mg / day. Some patients may experience side effects, most often dizziness, due to lowered blood pressure. If such effects occur, the patient should not drive vehicles or engage in potentially hazardous activities requiring special attention and speed of psychomotor reactions. These effects occur most often immediately after the start of treatment or with increasing doses.
    Form release / dosage:

    Tablets of 5 mg.

    Packaging:10 tablets in a blister pack of PVC / aluminum.For 3 blisters together with instructions for use in a pack of cardboard.
    Storage conditions:

    Store at a temperature of no higher than 25 ° C, in a dry, dark place. Keep out of the reach of children.

    Shelf life:

    3 years.

    Do not use after the expiration date printed on the package.

    Terms of leave from pharmacies:On prescription
    Registration number:PL-000337
    Date of registration:22.02.2011
    Expiration Date:22.02.2016
    The owner of the registration certificate:Chaikafarma High-quality Medicines, AO Chaikafarma High-quality Medicines, AO Bulgaria
    Manufacturer: & nbsp
    Information update date: & nbsp18.06.2018
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