Composition
Active ingredient:
Oseltamivir phosphate 59.10 mg, which corresponds to the content of Oseltamivir 45.00 mg
. excipients:
Silicon dioxide colloidal (Aerosil) at 6.00 mg/9,00 mg/15,00 mg;
copovidon -3,60 mg/5,40 mg/9,00 mg;
starch pregelatinization – 65,60 mg/98,40 mg/164,00 mg;
croscarmellose sodium – 1,840 mg/2,760 mg/4,60 mg;
sodium fumarate -0,920 mg/1,380 mg/2,30 mg;
talc – 2,640 mg/3,960 mg/6,60 mg.
The composition of hard gelatin capsules:
the body of the capsule: purified water – 14-15 mg, sodium lauryl sulfate – 0.08 mg, titanium dioxide – 0,97524 mg, dye brilliant blue – 0,2626 mg, gelatin – up to 100 mg;
lid capsule: purified water – 14-15 mg, sodium lauryl sulfate – 0.08 mg, titanium dioxide – 0,97524 mg, dye brilliant blue – 0,2626 mg, gelatin – up to 100 mg.
Pharmacological action
Nomides is an antiviral drug that includes oseltamiviracarboxylate, which inhibits influenza A and B viruses. As a result, it suppresses: the release of newly formed viral particles from infected cells, their penetration into the epithelial cells of the respiratory tract and the further spread of the virus in the body. Nomides is an effective means of preventing and treating influenza in adults and children over the age of 1 year. When starting treatment no later than 40 hours after the first symptoms of influenza appear, Nomides significantly reduces the period of clinical manifestations of influenza infection, reduces their severity and reduces the frequency of complications of influenza that require the use of antibiotics (bronchitis, pneumonia, sinusitis, otitis media), shortens the time of virus isolation from the body. After oral use of oseltamivir, phosphate is readily absorbed in the gastrointestinal tract and is highly converted to an active metabolite by hepatic esterases. Plasma concentrations of the active metabolite are determined within 30 minutes and reach an almost maximum level 2-3 hours after use. At least 75% of the oral dose enters the systemic circulation as an active metabolite. Plasma concentrations are dose-proportional and independent of food intake.
Indications
- Treatment of influenza in adults and children over the age of 3 years.
- Prevention of influenza in adults and adolescents over the age of 12 years who are at high risk of infection with the virus (in large groups, in weakened patients).
- Prevention of influenza in children over 3 years of age.
Contraindications
- Hypersensitivity to oseltamivir phosphate or any component of the drug,
- End-stage renal failure (creatinine clearance < 10 ml/min), severe hepatic insufficiency,
- Children under 1 year of age.
Interaction
Clinically significant drug interactions are unlikely according to pharmacological and pharmacokinetic studies. Oseltamivir phosphate is highly converted to the active metabolite by esterases mainly located in the liver. Drug interactions caused by competition for binding to the active sites of esterases are not widely represented in the literature.
The low degree of binding of oseltamivir and the active metabolite to plasma proteins does not suggest the presence of interactions associated with the displacement of drugs from protein binding. In vitro studies show that neither oseltamivir phosphate nor its active metabolite is a preferred substrate for polyfunctional cytochrome P450 oxidases or for glucuronyltransferases.
There are no grounds for interaction with oral contraceptives. Cimetidine, a non-specific inhibitor of the cytochrome P450 isoenzyme and competing in the process of tubular secretion with alkaline-type drugs and cations, does not affect the plasma concentrations of oseltamivir and its active metabolite.
Clinically significant drug-drug interactions associated with competition for tubular secretion are unlikely, given the safety reserve for most of these drugs, the elimination pathways of the active metabolite of oseltamivir (glomerular filtration and anionic tubular secretion), as well as the excretory capacity of each of the pathways.
Probenecid leads to an increase in the AUC of the active metabolite of oseltamivir by approximately 2 times (due to a decrease in active tubular secretion in the kidneys). However, no dose adjustment is required when used concomitantly with probenecid, given the safety reserve of the active metabolite.
Concomitant use with amoxicillin does not affect the plasma concentrations of oseltamivir and its components, demonstrating weak competition for elimination by anionic tubular secretion. Concomitant use with paracetamol does not affect the plasma concentrations of oseltamivir and its active metabolite or paracetamol.
No pharmacokinetic interactions were observed between oseltamivir, its main metabolite, when co-administered with paracetamol, acetylsalicylic acid, cimetidine or antacids (magnesium and aluminum hydroxide, calcium carbonate), warfarin, rimantadine or amantadine.
When using osaltemivir with commonly used medications, such as angiotensin-converting enzyme inhibitors (enalapril, captopril), thiazide diuretics (bendroflumetiazid), antibiotics (penicillin, cephalosporins, azithromycin, erythromycin and doxycycline), H2-histamine receptor blockers (ranitidine, cimetidine), beta-blockers No changes in the nature or frequency of adverse events were observed in patients treated with anti-inflammatory drugs (propranolol), xanthines (theophylline), sympathomimetics (pseudoephedrine), opiates (codeine), corticosteroids, inhaled bronchodilators, and non-narcotic analgesics (acetylsalicylic acid, ibuprofen, and paracetamol).
Oseltamivir should be used with caution in combination with drugs that have a narrow therapeutic range (for example, chlorpropamide, methotrexate, butadione).
How to take, course of use and dosage
The drug oseltamivir is taken orally, regardless of food intake or during meals. Treatment with the drug should be started no later than 2 days after the development of symptoms of the disease. Adults and adolescents aged ≥ 12 years, the recommended daily dose is 150 mg. The drug is prescribed in a dose of 75 mg (one capsule of 75 mg or one capsule of 30 mg + one capsule of 45 mg) 2 times a day inside for 5 days. Children weighing more than 40 kg or aged ≥ 8 years who can swallow capsules can also receive treatment by taking 75 mg (one 75 mg capsule or one 30 mg capsule + one 45 mg capsule) 2 times a day for 5 days. Children aged ≥ 1 year The recommended dosage regimen of oseltamivir capsules is 30 and 45 mg. Prophylaxis of the drug should be started no later than 2 days after contact with patients. Adults and adolescents aged ≥ 12 years: 75 mg (one 75 mg capsule or one 30 mg capsule + one 45 mg capsule) once daily orally for at least 10 days after contact with the patient. During a seasonal flu epidemic-75 mg once a day for 6 weeks. The preventive effect lasts as long as the drug is taken. Children weighing more than 40 kg or aged ≥ 8 years of children who may swallow capsules can also receive preventive therapy by taking 75 mg (one 75 mg capsule or one 30 mg capsule + one 45 mg capsule) once a day for 10 days. Children aged ≥ 1 year The recommended dosage regimen of oseltamivir capsules is 30 and 45 mg. Dosage in special cases of patients with impaired renal function: Treatment of patients with creatinine clearance greater than 60 ml / min, no dose adjustment is required. In patients with a creatinine clearance of 30 to 60 ml/min, the dose of oseltamivir should be reduced to 30 mg twice daily for 5 days. In patients with creatinine clearance from 10 to 30 ml/min, the dose of oseltamivir should be reduced to 30 mg once a day for 5 days. In patients on continuous hemodialysis, oseltamivir at an initial dose of 30 mg can be taken before dialysis if flu symptoms appear within 48 hours between dialysis sessions. To maintain plasma concentrations at therapeutic levels, oseltamivir should be taken 30 mg after each dialysis session. In patients undergoing peritoneal dialysis, oseltamivir should be taken at an initial dose of 30 mg prior to dialysis, followed by 30 mg every 5 days. The pharmacokinetics of oseltamivir in patients with end-stage chronic renal failure (with creatinine clearance < 10 ml/min) who are not on dialysis have not been studied. Therefore, there are no recommendations on dosage in this group of patients. Prevention In patients with creatinine clearance greater than 60 ml/min, no dose adjustment is required. In patients with creatinine clearance from 30 to 60 ml/min, the dose of oseltamivir should be reduced to 30 mg once a day. In patients with creatinine clearance from 10 to 30 ml/min, it is recommended to reduce the dose of oseltamivir to 30 mg every other day. In patients on continuous hemodialysis, oseltamivir at an initial dose of 30 mg can be taken before starting dialysis. To maintain plasma concentrations at therapeutic levels, oseltamivir should be taken 30 mg after each subsequent odd dialysis session. In patients undergoing peritoneal dialysis, oseltamivir should be taken at an initial dose of 30 mg prior to dialysis, then 30 mg every 7 days. The pharmacokinetics of oseltamivir in patients with end-stage chronic renal failure (with creatinine clearance less than 10 ml/min) who are not on dialysis have not been studied. Therefore, there are no recommendations on dosage in this group of patients. Patients with hepatic impairment No dose adjustment is required in the treatment and prevention of influenza in patients with mild to moderate hepatic impairment. The safety and pharmacokinetics of oseltamivir in patients with severe hepatic impairment have not been studied. Elderly and senile patients No dose adjustment is required for the prevention or treatment of influenza. Patients with weakened immune systems (after transplantation). For seasonal prevention of influenza in immunocompromised patients aged ≥1 year – for 12 weeks, no dose adjustment is required.
Overdose
In most cases, overdose during clinical trials and post-marketing use of oseltamivir was not accompanied by any adverse events. In all other cases, the symptoms of overdose corresponded to the adverse events presented in the “Side effect” section.
Special instructions
Extemporal preparation of Nomides® suspension from capsules
In cases where adults, adolescents and children have problems swallowing capsules or if there are signs of “aging” of the capsules, it is necessary to open the capsule and pour its contents into a small amount (maximum 1 teaspoon) of a suitable sweetened food product (chocolate syrup with normal sugar content or without sugar content, honey, light brown sugar or table sugar dissolved in water, sweet dessert, condensed milk with sugar, applesauce or yogurt) in order to hide the bitter taste. The mixture must be thoroughly mixed and given to the patient as a whole. You should swallow the mixture immediately after cooking.
Capsules 75 mg
If patients require a dose of 75 mg, the following instructions should be followed::
1. Holding one 75 mg Nomides ® capsule over a small container, carefully open the capsule and pour the powder into the container.
2. Add a small amount (no more than 1 teaspoon) of a suitable sweetened food product (to hide the bitter taste) and mix well.
3. Mix the mixture thoroughly and drink it immediately after cooking. If there is a small amount of the mixture left in the container, then rinse the container with a small amount of water and drink the remaining mixture.
If patients require doses of 30-60 mg, then the following instructions should be followed for proper dosing:
1. Holding one 75 mg Nomides ® capsule over a small container, carefully open the capsule and pour the powder into the container.
2. Add 5 ml of water to the powder using a syringe with labels indicating the amount of liquid collected. Mix thoroughly for 2 minutes.
3. Fill the syringe with the required amount of mixture from the container according to the following table.
Body weight |
Recommended dose |
Quantity of Nomides ® blend per 1 dose |
≤15 kg |
30 mg |
2 ml |
>15-23 kg> |
45 mg |
3 ml |
>23-40 kg> |
60 mg |
4 ml |
There is no need to collect undissolved white powder, since it is an inactive filler. By pressing the plunger of the syringe, insert all its contents into the second container. The remaining unused mixture must be discarded.
4. In the second container, add a small amount (no more than 1 teaspoon) of a suitable sweetened food product to hide the bitter taste, and mix well.
5. Mix the mixture thoroughly and drink it immediately after cooking. If there is a small amount of the mixture left in the container, then rinse the container with a small amount of water and drink the remaining mixture.
This procedure should be repeated before each dose of the drug.
Form of production
Capsules for oral use 10 pieces per pack
Active ingredient
Oseltamivir
Conditions of release from pharmacies
By prescription
Dosage form
Capsules
Purpose
Children as prescribed by a doctor, Nursing mothers as prescribed by a doctor, Pregnant women as prescribed by a doctor, Children over 3 years of age, Adults as prescribed by a doctor
Indications
Flu and cold Prevention, Flu
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Side effects of Nomides capsules 45mg, 10pcs.
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