Sava Ivabradine 5 medicine for chronic angina (5 blisters x 10 tablets)

Dosage form Box of 5 blisters x 10 tablets
Specifications Ivabradine

Ingredient

Composition informationContent
Ivabradine5mg

Uses

Indications

Sava Ivabradine 5 medicine is indicated in the following cases:

  • Treatment of stable chronic angina symptoms in patients with coronary artery with normal sinus rhythm (with contraindications or intolerance to beta blockers). Sytococcal reduction in sinus node and heart frequency regulator. The effect on the heart of the drug is specific to the sinus button without affecting the transmission time in the atrial, atrial - ventricular, clear as well as no effect on the re -loss or heart muscle contraction. Ivabradine can also interact with the LH line in the retina that is very similar to the LF line in the heart. This LH line is involved in the temporary resolution of the visual system by reducing the retinal response to the dazzling light pulse.

    In cases of stimulation (for example, rapid change of brightness), the Ivabradine inhibits a part of the LH line as the foundation for the dazzling phenomenon that can be encountered in patients. Phosphenes is described as a temporary glare in a certain region of the market.

    IVABRADIN's main pharmacological properties in humans are a specific reduction in heart frequency depending on the dose. Analysis of heart frequency reduction with doses of up to 20 mg at a time and taken 2 times a day has pointed out the tendency to reach the effect of the plateau along with reducing the risk of serious slow heart rate below 40 beats per minute. With the usual dosage, the heart frequency decreases by about 10 beats per minute at rest and during practice. This leads to reducing the burden on the heart and reducing oxygen needs for the heart muscle. Ivabradine has no effect on the transmission in the heart, to the contraction of the heart (there is no effect inhibiting myocardial shrinking) or to the pole of the ventricle.

    In clinical physiological studies, Ivabradine has no effect on the atrial - ventricular or in ventricular transmission time or editing the QT segment on the center of the map. For patients with left ventricular dysfunction (bloodyemia of the left ventricle between 30% and 45%), Ivabradine has no harmful effects on blood ratio.IVABRADINE's effectiveness is maintained during 3 or 4 months of treatment in validity tests. There is no evidence of pharmacological tolerance (loss of effect) during treatment or the phenomenon of reverse after sudden stopping of the drug. The anti -angina and ischemic effect of Ivabradine is accompanied by the effect of reducing the heart rate dependent on dosage and significantly reducing the rate of blood pressure frequency (heart frequency x systolic blood pressure) when resting and exertion. The effect of this drug on blood pressure and peripheral resistance is almost no and clinical significance.

    Dynamic pharmacokinetics

    In physiological conditions, iVABRADIN is quickly released from tablets and strong soluble in water (> 10 mg/ml). Ivabradin is a isomorphic opposite S shape without a biological shift through prove in vivo. IVABRADINE's N - Methyl metabolites are identified as a substance that has the main activity on humans.

    absorption

    Ivabradine absorbs quickly and almost completely after taking the peak concentration in plasma after about 1 hour, if taking the drug when hungry. The absolute bioavailability of film tablets is about 40%, due to the first metabolism in the intestine and liver. Food slowly absorbs drugs about 1 hour, increasing plasma medication concentration to 20-30%. Recommendation of taking medicine at meals to help reduce the change in the individual's exposure.

    Distribution

    Ivabradine attaches about 70% to plasma proteins and integral distributed in a stable state of nearly 100 l in patients. The peak concentration in plasma after long -term oral doses recommended (5 mg each time, 2 times a day) is 22 ng/ml (CV = 29%). The average concentration in plasma is 10 ng/ml in a stable state (CV = 38%).

    Metabolism

    Ivabradine is strongly metabolized through the liver and intestines, by oxidizing through only Cytochrome P450 3A4 (CYP3A4). Ivabradine has weak affinity for CYP 3A4, does not inhibit or clearly induced CYP3A4. So Ivabradine is less likely to change the metabolism or plasma concentrations of the substrates of CYP3A4. In contrast, strong CYP3A4 inhibitors and strong CYP3A4 induction substances can have a significant impact on the concentration of Ivabradine in plasma.

    Elimination

    Ivabradine eliminates the main selling time of 2 hours (70 - 75% of the area under the curve) in plasma, while the effective sale time is 11 hours. The general clearance is about 400 ml/min and the renal clearance is about 70 ml/min. Elimination of metabolites through feces and urine with similar amounts. About 4% of oral doses are excreted in the urine.

  • Before taking Sava Ivabradine 5 medicine for chronic angina (5 blisters x 10 tablets)

    How to use

    Sava Ivabradine 5 medicine is taken orally. Take medicine at meals, twice a day, once in the morning, once in the evening.

    Dosage

    Starting dose

    5 mg x 2 times/day. After 3-4 weeks of treatment, the dose of 7.5 mg can be increased 2 times/day depending on the response.

    If during the treatment process, the heart rate decreases by less than 50 times/minute during persistent rest or patients who have symptoms related to slow heartbeat such as dizziness, fatigue or hypotension, the dose must be reduced to the extent that it may be 2.5 mg/time x 2 times/day (ie half of tablets 5 mg, twice a day). Must stop treatment if the heart rate is still less than 50 times/minute or the symptoms of the bradycardia still exists.

    Elderly

    Ivabradine is only studied in a limited number of patients ≥ 75 years old, should consider using a lower starting dose for patients of this high age (2.5 mg x 2 times/day) before increasing the dose, if necessary.

    kidney failure

    No dose adjustments in patients with renal impairment have creatinine clearance> 15 ml/min. There is no data for patients with creatinine purification

    Hepatic failure

    No dose adjustment for patients with mild liver failure. Caution should be used when taking Ivabradine for patients with average liver failure. Contraindicated to use this drug for patients with severe liver failure, because there is no research for these subjects.

    Children and adolescents

    It is not recommended to use drugs for children and adolescents because there is no research on the effect and safety of Ivabradine for these objects.

    Note: The above dose is for reference only. Specific dosage depends on the condition and level of progression of the disease. For a suitable dose, you need to consult a doctor or medical specialist.

    What to do when overdose? Serious heart rate should be treated symptoms at a specialized facility. In the case of a slow heart rate that tolerates poorly hemorrhagic, can treat symptoms by intravenous beta stimulants like isoprenaline. Put temporary pacemaker if needed.

    What to do when you forget a dose? However, if close to the next dose, skip the forgotten dose and take the next dose at the time as planned. Note that it should not be used double the prescribed dose.

    Side Effects

    When using Savi Ivabradine 5, you may experience unwanted effects (ADR).

    Very common, ADR> 1/10

  • visual disorders: Dazzling phenomenon (phosphene).
  • visual disorders: blurred vision.
  • Cardiovascular: Slow heart rate.
  • atrial block 1.
  • Satisfaction.

    Uncommon, 1/1000

  • Cardiovascular: Breaking the chest drumming, external ventricular.
  • digestive: nausea, constipation, diarrhea.
  • Testing: hyperuricemiaemia, eosinophilia loves Eosin, hypercredery blood.
  • Instructions on how to handle ADR

    When experiencing side effects of the drug, it is necessary to stop using and notify the doctor or go to the nearest medical facility for timely treatment.

    Warnings

    Before using the drug you need to read the instructions carefully and refer to the information below.

    Contraindicated

    Sava Ivabradine 5 drug contraindicated in the following cases:

  • Hypersensitivity to Ivabradine or any excipient ingredients.
  • Heart rate at rest less than 60 times/minute before treatment.
  • Cardiococci.
  • Acute myocardial infarction.
  • Severe blood pressure drop. Severe liver failure.

    Sinus syndrome.

  • Sinus block.
  • heart failure III - IV according to NYHA classification due to lack of data.

  • Patient patients depend on the pacemaker.
  • Unstable angina.

  • Atrial Block - Seven Defendants 3.
  • in combination with strong Cytochrome P450 3A4, such as antifungal drugs Azole (ketoconazole, iTraconazole), macrolide antibiotics (Clarithromycin, Erythromycin oral, Fosamycin), HIV -Protase inhibitors (Melfinavir, Ritonavir) and Ritonavir) and Ritonavir) and Ritonavir) Mefazodone.
  • Pregnant and lactating women.

    Precautions when using

    arrhythmia

    Ivabradine is not effective for treating or preventing arrhythmia and may also lose effect when there is tachycardia (for example, ventricular tachycardia or ventricular tachycardia). Therefore, it is not recommended to use Ivabradine for patients with atrial fibrillation or other arrhythmias that interact with the function of the sinus node. Regular clinical monitoring in patients who use Ivabradine to see if there is atrial fibrillation (prolonged or dramatic), including electrocardiogram measurement when indicated of clinical (for example, seriously in case of angina, hitting chest drums, abnormal vascular).

    Patients with atrial block - ventricular 2

    Do not use Ivabradine.

    Patients with slow heart rate

    Do not start IVABRADINE treatment for patients with heart rate at leave before treatment less than 60 times/minute. If during the treatment process, the heart rate is less than 50 times/minute or the patient has symptoms related to the heartbeat, such as dizziness, fatigue or hypotension, the dose must be reduced. Discontinue IVABRADINE treatment if the heart rate is less than 50 times/minute or if the symptoms of slow heart rate persist.

    Combining anti -angina drugs

    It is not recommended to combine Ivabradine with calcium blockers that reduce heart frequency such as verapamil or diltiazem. There is no data on safety when coordinating Ivabradine with nitrates and with dihydropyridine calcium blockers like amlopidine. IVABRADINE has not been defined with an increase in effect when coordinated with calcium blockers dihydropyridine.

    Chronic heart failure

    Heart failure must be adequately controlled before considering Ivabradine. Contraindicated to use Ivabradine in patients with heart failure III - IV according to NYHA's classification, due to lack of data on clinical validity and safety. Caution should be careful with patients with disordered left ventricular dysfunction as well as patients with heart failure II according to NYHA due to the small number of patients studying.

    stroke

    It is not recommended to use Ivabradine immediately after the stroke, because there is no enough data for these cases.

    visual function

    Ivabradine affects the function of the retina. So far there has been no evidence of the harmful effects of Ivabradine in the retina, it is unclear the effects of Ivabradine treatment lasted for a year on the retinal function. It is necessary to consider using the drug when there is any pathology related to visual function. Also cautious with patients with pigmentitis.

    Patients with hypotension

    Lack of data in patients with hypotension is mild and moderate. Therefore, IVABRADINE should therefore be used for these objects. Ivabradine contraindicated for patients with serious hypotension (blood pressure

    Atrial fibrillation - arrhythmia

    There is no evidence of the risk of heartbeat (excessive) when returning to the sinus rhythm if the heart shake is started for patients to use Ivabradine. However, when not enough data, it is advisable to consider deformity 24 hours after the last dose of Ivabradine.

    Used in patients with congenital QT syndrome or treatment with drugs that extend the qt segment

    Avoid use in patients with congenital QT syndrome or treatment with drugs that extend the QT segment. If you find it necessary, you need to monitor the heart very carefully.

    Used in patients with medium liver failure

    Be careful when taking Ivabradine for patients with medium liver failure.

    Used with patients with serious renal failure

    Be careful when using Ivabradine for patients with severe renal impairment (creatinine clearance

    Because the tablet contains lactose, it should not be used for patients with genetic problems (rare) such as galactose intolerance, or deficiency of Lapp Lactase or Glucose - Galactose.

    The ability to drive and operate machinery

    Special research on the possible effects of Ivabradine on the ability to drive has been conducted on healthy volunteers without evidence of driving impairment. The results showed that Ivabradine did not affect the ability to drive and operate machinery.

    However, Ivabradine can cause temporary glare. It should be noted that such dazzling phenomenon when driving or using machines in cases may have a sudden change in light intensity, especially when driving at night.

    Pregnancy

    There is no adequate data on Ivabradine use for pregnant women. Research on animal reproduction shows that this drug is poisonous with embryos and monsters. The risk of this drug is unknown. So contraindications used during pregnancy.

    Breastfeeding period

    Animal research shows Ivabradine excreted in milk. Therefore contraindicating mothers use Ivabradine during breastfeeding.

    Drug interaction

    should not be coordinated with Ivabradine with substances that extend the qt segment

    Cardiovascular drugs extend the QT segment (for example: Quinidine, Sotalol, Disopyramide, Bepridil, Ibutilide, Amiodazone).

    Non -cardiovascular drugs extend the QT segment (for example: Pimozide, Ziprasidone, Serttindole, Mefloquine, Halofantrine, Pentanidine, Cisapride, Erythromycin Venous).

    Avoid combining cardiovascular and non -cardiovascular drugs that extend the QT segment along with Ivabradine because of the severity of the QT segment may be more serious due to heart rate decrease.

    If you need to coordinate, you must closely monitor the heart state.

    Ivabradine is only metabolized through CYP3A4 and is a very weak inhibitor of this cytochrome. Ivabradine shows no effect on metabolism and to plasma concentrations of other substrates of CYP3A4 (light, medium and strong inhibitors). CYP3A4 inhibitors and induction have the ability to interact with Ivabradine and affect the metabolism and pharmacokinetics of Ivabradine at clinical significance.

    Determined drug interaction research is CYP3A4 inhibitors that increase the concentration of Ivabradine in plasma, while induction substances reduce IVABRADINE concentration. Increasing the plasma concentration of Ivabradine may be related to excessive risk of slow heart rate.

    Contraindicated Ivabradine combination with strong CYP3A4 inhibitors such as Azole antifungal drugs (ketoconazole, iTraconazole), macrolide antibiotics (clarithromycin, erythromycin oral, josamycin, telithromycin), HIV Protase inhibitors (Nefinavir, Ritonavir) and Ritona) Mefazodone. Strong CYP3A4 inhibitors such as ketoconazole (200 mg, once a day) or josamycin (1 g, twice a day) increase the level of Ivabradine in plasma to 7 to 8 times.

    Do not coordinate with Ivabradine with moderate inhibitors CYP3A4

    Researching specific interactions on volunteers and on patients shows that if Ivabradine is used with diltiazem or verapamil (which reduces the heart rate), will increase the concentration of Ivabradine (increasing the area under the curve to 2-3 times) and slowing the heart rate is 5 beats per minute. Do not recommend coordination of Ivabradine with these drugs.

    Be cautious when combining drugs with moderate inhibitors CYP3A4

    Combining Ivabradine with moderate inhibitors CYP3A4 (e.g. Fluconazole) can be carefully conducted with the starting dose of 2.5 mg each time, twice a day. Should only be coordinated when the heart rate at rest> 60 beats/min, then closely monitor the heart rate.

    grapefruit juice

    Combination of drinking with grapefruit juice increases Ivabradine concentration 2 times. So during the drinking period Ivabradine, it is necessary to limit eating grapefruit.

    CYP3A4 induction substances

    CYP3A4 induction substances (for example, rifampicin, barbiturates, phenytoin, hypericum Perforatum (St. John’s World) can reduce the concentration and effectiveness of iVabradine. If combined with CYP3A4 induction substances, Ivabradine dose adjustments.

    Coordinate Ivabradine 10 mg x 2 times/day with St. John’s Wort shows half of the area under the curve of Ivabradine. Therefore, it is necessary to limit the use of St. John’s Wort during Ivabradine.

    Other combinations

    Research on specific interactions shows that there is no clinical significance of the following drugs to the pharmacokinetics and pharmacokinetics of IVABRADINE: Proton inhibitor (omeprazole, Lansoprazole), Sildenafil, HMG - CoA - Reductase inhibitors (Simvastatin), Calcium inhibitors of Calcium Dihydropyrine (Amlodyrin lacidipine), digoxin and warfarin. In addition, Ivabradine does not affect the pharmacokinetics of Simvastatin, Amlodipine, Lacidipine, does not affect the pharmacokinetics and pharmacodynamics of Digoxin, Warfarin and does not affect ASPIRIN pharmacology.

    Clinical tests III with the following preparations are used unlimited, so it has been regularly coordinated with iVABRADINE and has not seen a problem of safety: Angiotensin transition inhibitors, Angiotensin II receptor antagonists, diuretics, short and long -acting nitrate, HMG - CoA - Reductase, fibrate, fibrate, anti -pump drugs Oral form, aspirin and other anti -platelets.

    Storage

    In a dry place, avoid light, temperature below 30 ° C.

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