[Russian recombinant vaccine against hepatitis B (results of controlled trials)].

Two yeast recombinant vaccines were compared: the Russian hepatitis B Combiotech vaccine in a dose of 20 mg and the Recombivax-HB vaccine in a dose of 10 mg manufactured in the USA (Merk, Sharp and Dohme Ltd.). Both agents were found safe and low reactogenic. After a course of 3 vaccinations with the Russian vaccine 92.5 to 97.5% subjects vaccinated after the 0-1-2 months and 0-1-6 months protocols had high levels of specific antibodies. In the group vaccinated with the American vaccine, antibodies to HBsAg were found in the sera of 95 to 100% subjects. These results demonstrate high immunological activity of both Russian and American vaccines.