A phase III randomized, controlled study to assess and compare the immunogenicity and tolerability of single and multi-dose vials of DTwP-Hib, a fully liquid quadravalent vaccine and their comparison with TETRAct-Hib vaccine in Indian infants aged 6-14 weeks.

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2011
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Abstract
Both WHO and IAP encourage using combination vaccines, wherever feasible. The phase III trial reported here was conducted to assess and compare the immunogenicity, tolerability and safety of two quadravalent vaccines, Quadrovax(®) (new vaccine), and TETRAct-Hib(®) (available in the market) in a multicentre study, in India. In all, 361 infants aged 6-8 weeks were enrolled, out of which 339 completed the study. The vaccination was done at 6-10-14 weeks following EPI/WHO recommended immunization schedule. Blood samples were collected prior to the administration of first dose and one month after the third dose. Postvaccination, geometric mean titres for each component did not differ significantly between the single dose vial and multi dose vial subgroups and among the two study groups. Adverse events observed were within the range quoted in literature. Quadrovax(®) vaccine manufactured by SIIL was found to be safe, immunogenic and non-inferior to the comparator vaccine. The quadravalent vaccine is best recommended in the second year of life when children receive their booster dose at 15-18 months. It can be given to infants during primary immunization series at 6, 10 and 14 weeks of age when Hepatitis B vaccine is given in a separate arm or to infants at 10 weeks who receive the Hepatitis B vaccine separately following the 0, 6 and 14 weeks or 0, 1 and 6 months schedule.
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sharma2011avaccine Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sharma, Hitt;Yadav, Sangita;Patil, Vishwanath;Chacko, Betty;Kapre, Subhash;Jadhav, Suresh;Ravetkar, Satish;Bahl, Sunil;Parekh, Sameer;Chakravarty, Anita;Ashtagi, Girija;Prasath, Arun;
Journal Vaccine
Year 2011
DOI
10.1016/j.vaccine.2011.09.093
URL
Keywords
neuroimaging encephalitis glutaric aciduria type 1 macrocephaly

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