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medicalmeds.eu Medicines Means the improving brain blood stream. Vinpocetine

Vinpocetine

Препарат Винпоцетин. ЗАО "Канонфарма продакшн" Россия



General characteristics. Structure:

Active agent — a Vinpocetine of 5 mg;
excipients — potato starch, lactose (sugar milk), silicon dioxide colloid (A-300 aerosil), magnesium stearate, talc.

Description: tablets of color, white or white with a yellowish shade, ploskotsilindrichesky with a facet and risky.




Pharmacological properties:

Pharmacodynamics. Improves metabolism of a brain, increasing consumption of glucose and oxygen brain tissue. Increases resistance of neurons to a hypoxia; strengthens glucose transport to a brain through a blood-brain barrier; transfers process of disintegration of glucose to energetically more economical, aerobic way; selectively blocks Sa 2+ — dependent phosphodiesterase; increases levels of adenosinemonophosphate (AMF), a cyclic guanozinmonofosfat (tsGMF) and adenosinetriphosphate (ATP) of a brain. Strengthens exchange of noradrenaline and serotonin of a brain; stimulates the ascending branch of noradrenergichesky system, has antioxidant effect. Reduces aggregation of thrombocytes and the increased viscosity of blood; increases the deforming ability of erythrocytes and blocks utilization by adenosine erythrocytes; promotes increase in return by oxygen erythrocytes. Increases a cerebral blood stream; reduces resistance of vessels of a brain without essential change of indicators of system blood circulation. Does not render effect of "burglarizing" and strengthens blood supply, first of all, in ischemic sites of a brain. Gets through a placental barrier

Pharmacokinetics. It is quickly soaked up. Time of achievement of the maximum concentration in a blood plasma — 1 hour. Absorption happens, mainly, in proximal departments of digestive tract. When passing through a wall of intestines is not exposed to metabolism. The maximum concentration in fabrics is noted in 2–4 h after intake. Communication with proteins — 66%, bioavailability at intake — 7%. The clearance of 66,7 l/h, exceeds the plasma volume of a liver (50 l/h) that demonstrates extrahepatic metabolism. At repeated receptions the kinetics has linear character. An elimination half-life at the person of 4,83±1,29 h. It is removed by kidneys and through intestines in the ratio 3:2.


Indications to use:

• reduction of expressiveness of neurologic and mental symptoms at various forms of insufficiency of cerebral circulation (including a recovery stage of an ischemic or gemmoragichesky stroke, an effect of the had stroke; tranzitorny ischemic attack; vascular dementia; vertebrobazilyarny insufficiency; atherosclerosis of vessels of a brain; posttraumatic and hypertensive encephalopathy);

• chronic vascular diseases of a choroid and retina of an eye;

• decrease in hearing of perceptual type, Menyer's disease, idiopathic sonitus.


Route of administration and doses:

Inside, after food, on 1 tablet 3 times a day. The initial daily dose makes 15 mg. Maximum daily dose of 30 mg. Duration of a course of treatment up to 3 months. At diseases of kidneys or a liver drug is appointed in a usual dose. Before cancellation the dose should be reduced gradually.


Features of use:

Existence of a syndrome of the prolonged interval of QT and administration of drugs causing lengthening of an interval of QT demands periodic control of an ECG. In case of a lactose intolerance it is necessary to consider that one tablet contains about 225 mg of lactose. There are no data on influence of a Vinpocetine on ability to driving and performance of work demanding speed of psychomotor reactions.


Side effects:

From cardiovascular system: change of an ECG (ST segment depression, lengthening of an interval of QT), tachycardia, premature ventricular contraction, lability of arterial pressure, feeling of inflows.

From the central nervous system: sleep disorders (sleeplessness or the increased drowsiness), dizziness, a headache.

From system of digestion: dryness in a mouth, nausea, heartburn.

Others: allergic reactions, the general weakness, the increased sweating.


Interaction with other medicines:

Interaction is not observed at simultaneous use with β-blockers ((((((((((хлоранолол, Pindololum), Clopamidum, glibenclamide, digoxin, atsenokumaroly and Hydrochlorthiazidum, Imipraminum

Simultaneous use of a Vinpocetine and Methyldopum sometimes caused some strengthening of hypotensive effect therefore at such treatment regular control of arterial pressure is required.

Despite the absence of the data confirming a possibility of interaction it is recommended to show care at co-administration with drugs of the central, antiarrhythmic and anticoagulating action.


Contraindications:

• an acute phase of a hemorrhagic stroke, ischemic heart diseases (a heavy current) expressed to arrhythmia, hypersensitivity to any of drug components.

• pregnancy (perhaps placental bleeding and spontaneous abortions probably as a result of strengthening of placental blood supply).

• the lactation period (at use of drug it is necessary to stop breastfeeding).

• children up to 18 years (in connection with insufficiency of data).


Overdose:

Symptoms: strengthening of expressiveness of side effects.

Treatment: gastric lavage, reception of absorbent carbon, symptomatic therapy.


Storage conditions:

Period of validity 4 years. Not to use after the period of validity specified on packaging. List B. To store in the dry, protected from light place at a temperature not above 25 °C. To store in the place, unavailable to children.


Issue conditions:

According to the recipe


Packaging:

Tablets of 5 mg. On 10, 20 or 30 tablets in a blister strip packaging from a film of the polyvinyl chloride and printing aluminum foil varnished. On 2, 3, 5, 6 blister strip packagings on 10 tablets or on 1, 2, 3 blister strip packagings on 20 tablets, or on 1, 2 blister strip packagings on 30 tablets together with the application instruction place in a pack from a cardboard.



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