Clinical Trial of Efficacy and Safety of Anaferon in the Treatment of Acute Respiratory Viral Infections

1. Patients of either gender aged 18-70 years.

2. Diagnosis of acute respiratory viral infection (ARVI) based on medical examination: axillary temperature ≥ 37,8 ° C at examination + non-specific/flu-like symptom score ≥4, nasal/throat/chest symptom score ≥2.

3. The first 24 hours after ARVI onset.

4. Seasonal rise in ARVI incidence.

5. Patients giving their consent to use reliable contraception during the study.

6. Signed patient information sheet (informed consent form).

1. Suspected pneumonia, bacterial infection (including otitis media, sinuitis, urinary tract infection, meningitis, sepsis, etc.), requiring the administration of antibacterial drugs from the first day of the disease.

2. Suspected initial manifestations of diseases with symptoms similar to ARVI at onset (other infectious diseases, flu-like syndrome at the onset of systemic diseases of connective tissue, oncohaematological and other diseases).

3. Clinical symptoms of severe influenza/ARVI requiring hospitalization.

4. Subjects requiring concurrent antiviral products forbidden by the study.

5. Medical history of primary and secondary immunodeficiency.

6. Oncologic conditions /suspected oncologic conditions.

7. Aggravation or decompensation of chronic diseases affecting a patient's ability to participate in the clinical trial.

8. Impaired glucose tolerance, diabetes mellitus.

9. Malabsorption syndrome, including congenital or acquired lactase or other disaccharidase deficiency, galactosemia.

10. Allergy/ hypersensitivity to any component of the study drug.

11. Pregnancy, breast-feeding; childbirth less than 3 months prior to the inclusion in the trial, unwillingness to use contraceptive methods during the trial.

12. Consumption of narcotics, alcohol > 2 alcohol units per day, mental diseases.

13. Course administration of the drug products specified in the section "Prohibited Concomitant Therapy" within two weeks prior to inclusion in the study.

14. Patients who will not fulfill the requirements during the study or follow the order of administration of the studied drug products, from the Investigator's point of view.

15. Participation in other clinical trials for 3 months prior to enrollment in this study.

16. Patients who are related to any of the on-site research personnel directly involved in the study or are an immediate relative of the investigator. 'Immediate relative' means husband, wife, parent, son, daughter, brother, or sister (regardless of whether they are natural or adopted).

17. Patients who work for OOO "NPF "Materia Medica Holding" (i.e. the company's employees, temporary contract workers, designated officials responsible for carrying out the research or any immediate relatives of the aforementioned).