Contraindications
hypersensitivity to Sildenafil Tablets Vega Extra Cobra or any other component of the drug;
application in patients receiving constantly or intermittently nitric oxide donators, organic nitrates or nitrites in any form, as Vega Extra Cobra 130 Mg enhances the hypotensive effect of nitrates (see "Interaction»);
the combined use of inhibitors of PDE5, including Vega Cobra 120 Mg, called guanylate cyclase stimulants such as riociguat, because it can lead to symptomatic hypotension;
concomitant use with other agents for the treatment of erectile dysfunction (safety and efficacy of Vega Cobra 120 Mg when used together has not been studied (see. "Special instructions»);
lactose intolerance, lactase deficiency, glucose-papacosma malabsorption;
severe liver failure (class C classification for child-Pugh);
simultaneous administration of ritonavir;
severe cardiovascular diseases (severe heart failure, unstable angina, stroke or myocardial infarction during the last 6 months, life-threatening arrhythmias, hypertension (BP >170/100 mm Hg). art.) or hypotension (blood PRESSURE <90/50 mm Hg.art.) (see "Special instructions»);
patients with episodes of development partizanai anterior ischemic optic neuropathies (NESN) with loss of vision in one eye;
hereditary retinitis pigmentosa (see special instructions»);
according to the registered indication is not intended for use in women;
according to the registered indication is not intended for use in children under 18 years.
With caution: anatomic deformity of the penis (angulation, cavernous fibrosis or Peyronie's disease) (see "Special instructions"); diseases of, predisposing to the development of priapism (sickle-cell anemia, multiple myeloma, leukemia, thrombocythemia) (see "Special instructions"); diseases accompanied by haemorrhage; ulcer disease of stomach and duodenum in the acute phase; liver dysfunction; severe renal insufficiency (Cl creatinine <30 ml/min); patients with an episode of partizanai development of the anterior ischemic optic neuropathies in history (see "Special instructions); simultaneous reception of blockers α-adrenergic receptors.
Use during pregnancy and breast-feeding
According to the registered indication, the drug is not intended for use in women.
Visual impairment
In rare cases, during post-approval use of all of the inhibitors of PDE5, including Vega Cobra 120 Mg, reported NESN is a rare disease and the cause of the decrease or loss of vision. Most of these patients had risk factors, such as decreased ratios of excavation diameter to optic disc (stagnant disc), age over 50, diabetes, hypertension, CHD, hyperlipidemia, and Smoking. In an observational study evaluated whether recent use of drugs class of inhibitors PDE-5 with an acute onset NESN. The results indicate approximately a 2-fold increase in risk NESN within 5T1/2 after application of the PDE-5 inhibitor. According to published literature, the annual incidence of npins IS 2.5–11.8 cases per 100,000 men aged ≥50 years in the General population. Patients should be advised to stop Vega Cobra 120 Mg therapy in case of sudden loss of vision and consult a doctor immediately.
Persons who have already had a case NESN have an increased risk of relapse NESN. Therefore, the doctor should discuss this risk with such patients, as well as the potential chance of adverse effects of PDE-5 inhibitors. PDE-5 inhibitors, including Sildenafil Vega Extra 130 Mg, in such patients should be used with caution and only in situations where the expected benefit outweighs the risk. In patients with episodes of development PINZN with loss of vision in one eye receiving Vega Cobra 120 Mg is contraindicated (see "Contraindications").
A small number of patients with hereditary retinitis pigmentosa have genetically determined disorders of the PDE of the retina. Information about the safety of the drug Vega Extra Cobra in patients with retinitis pigmentosa absent, so these patients should not be used Cobra 120 Vega Extra (see "Contraindications").
Clinical data
In a placebo-controlled cross-examination of patients with proven early age macular degeneration (n=9), Vega Cobra 120 Mg was well tolerated at a single dose of 100 mg. There were no clinically significant changes in vision evaluated by special visual tests (visual acuity, Amsler lattice, color perception, color simulation, Humphrey perimeter and photostress).
Efficiency. The efficacy and safety of Vega Cobra 120 Mg were evaluated in 21 randomized double-blind placebo-controlled studies lasting up to 6 months in 3000 patients from 19 to 87 years with erectile dysfunction of different etiology (organic, psychogenic or mixed). The efficacy of the drug was evaluated globally using an erection diary, an international erectile function index (validated questionnaire on the state of sexual function) and a partner survey.
The effectiveness of Vega Visa, defined as the ability to achieve and maintain an erection sufficient for satisfactory sexual intercourse, has been demonstrated in all studies and confirmed in long-term studies lasting 1 year. In studies with the use of fixed-dose proportion of patients reporting that treatment improved their erections were 62% (dose of Vega Cobra 120 Mg 25 mg), 74% (dose Vega Cobra 120 Mg 50 mg) and 82% (dose Cobra 120 Vega Extra 100 mg) compared to 25% in the placebo group. Analysis of the international index of erectile function showed that in addition to improving erection treatment Vega Cobra 120 Mg also increased the quality of orgasm, allowing to achieve satisfaction from sexual intercourse and overall satisfaction.
According to the generalized data, 59% of patients with diabetes, 43% of patients who underwent radical prostatectomy and 83% of patients with spinal cord injuries (against 16, 15 and 12% in the placebo group, respectively) were reported to have improved erection in the treatment of Cobra Vega Extra Strong 120mg.
Pharmacokinetics
Dosage and administration
Inside, can be taken with or without water. When taking the drug, you should put a tablet, dispersed in the oral cavity, on the tongue, after which it will quickly dissolve, and it can be swallowed. The tablet should be taken immediately after opening the blister. Patients who are recommended a dose of Vega Cobra 120 Mg 100 mg, the second tablet of Vega Cobra 50 mg should be taken after complete dissolution of the first tablet.
The recommended dose for most adult patients is 50 mg approximately 1 hour before sexual activity. Taking into account the effectiveness and tolerability of the dose can be increased to 100 mg or reduced to 25 mg (only tablets coated with a film, the appropriate dosage). The maximum recommended dose is 100 mg. Patients who are recommended a dose of Sildenafil Tablets Vegah Extra Cobra 100 mg, it is necessary to take 2 table., dispersible in the oral cavity, dosage 50 mg consecutively one after another. The maximum recommended frequency of use — 1 time per day. It should be borne in mind that the absorption of Vega Cobra 120 Mg significantly slows down when used in combination with fatty foods.
Special patient groups
Renal impairment. In mild to moderate renal failure dose adjustment is not required, in severe renal failure (Creatinine CL <30 ml/min) Vega Extra Strong 120 dose should be reduced to 25 mg.
Hepatic impairment. Since the excretion of Vega Cobra 120 Mg is disturbed in patients with liver damage (in particular, cirrhosis), the dose of Vegah Cobra should be reduced to 25 mg.
Joint application with other drugs. Joint use with ritonavir is not recommended. In any case, the maximum dose of Vega Cobra 120 Mg under any circumstances should not exceed 25 mg, and the frequency of application — 1 time in 48 h (see "Interaction").
When combined with inhibitors of CYP3A4 isoenzyme (erythromycin, saquinavir, ketoconazole, Itraconazole), the initial dose of Vega Extra should be 25 mg (see "Interaction").
To minimize the risk of postural hypotension in patients taking α-blockers, Vegah Extra 120 Indication should be started only after achieving hemodynamic stabilization in these patients. Consideration should also be given to reducing the initial dose of Sildenafil Vega Extra 130 (see special instructions and Interactions).
Old age. Adjustment of the dose of Vega Cobra 120 Mg is not required.
Vega Extra 120