Active clinical trials for "Diphtheria"

The purpose of the study is to compare the immunogenicity and safety of a booster dose of BoostrixTM Polio to that of Sanofi Pasteur MSD's RepevaxTM, when co-administered with a second dose of PriorixTM, in healthy 3 and 4-year-old children.

The purpose of this observer-blind study is to generate immunogenicity data with one formulation of GSK Biologicals' DTPw-HBV/Hib vaccine after the primary vaccination course and to demonstrate non-inferiority of this vaccine as compared to two formulations of GSK Biologicals' DTPw-HBV/Hib vaccine with respect to the anti-PRP antibody response. Additionally to assess the reactogenicity and safety of GSK Biologicals' DTPw-HBV/Hib vaccine. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.

Currently, there is no 5-component acellular pertussis vaccine licensed for the 5th dose in US children aged 4 to 6 years.This study is aimed at providing evidence of sero-protection, booster response and safety of this formulation as a 5th dose. Primary Objective: - To compare the immune responses of Tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) Vaccine to Diphtheria, tetanus and acellular pertussis (DTaP) vaccine (all antigens) when each is administered as a 5th dose and given concurrently, to children aged 4 to 6 years. Secondary/Observational Objectives: To compare the immune responses for pertussis antigens of Tdap Vaccine to DTaP vaccine (for pertussis antigens) when each is administered as a 5th dose and given concurrently, to children aged 4 to 6 years. To present the long-term immunogenicity at 1-, 3-, and 5-years post-vaccination after each long-term follow-up. To describe the safety profile following vaccine administration.

This protocol posting deals with objectives & outcome measures of the booster phase. The objectives & outcome measures of the primary phase are presented in a separate protocol posting (NCT number = NCT00412854). This Phase IIIB study will compare GSK Biologicals' DTPa/Hib vaccine to separately administered DTPa and Hib vaccines in Chinese children 18 to 24 months of age, in terms of safety and immunogenicity.

The purpose of this booster study is to evaluate, in subjects primed in the primary study 106786, the persistence, at the time of the booster vaccination, of antibodies elicited by the different formulation of DTPa-HBV-IPV/ Hib vaccine (Infanrix Hexa TM). The study will also evaluate the immune response of these subjects to a DTPa-HBV-IPV/Hib booster. This protocol posting deals with the objectives and outcome measures of the booster phase. The objectives and outcomes measures of the primary phase are presented in a separate protocol posting (NCT = 00376779).

The purpose of this study is to collect additional immunogenicity and safety data on re-dosing with Tdap vaccine (ADACEL®) in a continuing effort to address the public health need to establish broader population immunity against pertussis, as well as diphtheria and tetanus. Primary Objective: To assess immune response to Tdap vaccine (ADACEL®) one month after booster vaccination.

The objective of this study is to compare the Safety and Immunogenicity of a mixed sequence of 2 different pentavalent vaccines (Diphtheria-Tetanus- Pertussis, Hepatitis B and Hib combination Vaccines) with single sequence of Shan 5 in infants.

A study team with extensive experience in immunization delivery research will evaluate the effectiveness of vaccination reminder/recall systems for adolescent patients in five types of clinical settings including: urban pediatric, urban family medicine and rural family medicine practices, public pediatric clinics, and school-based health centers. Randomized controlled trials of reminder/recall for adolescents will be conducted at each type of site, with randomization at the level of the patient.

This study will evaluate the safety and immunogenicity of GSK Biologicals' GSK2202083A vaccine co-administered with GSK Biologicals' 10-valent pneumococcal conjugate (GSK1024850A) vaccine given as a three-dose primary vaccination course at 2, 3 and 4 months of age.

Data from this study are expected to demonstrate that V501 (Human Papillomavirus (HPV) [Types 6, 11, 16, 18] Recombinant Vaccine) , when administered concomitantly with a combined diphtheria, tetanus, pertussis (Tdap) vaccine and a meningococcal conjugate vaccine in adolescents remains immunogenic and well-tolerated and it does not impair the immunogenicity of the concomitant vaccines.