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diphtheria toxoid + tetanus toxoid + acellular pertussis
- Development stage
- Approved
- Lead developer
- GSK
- Modality
- Vaccines & Immunotherapeutics
- Administration
- Intramuscular
01
Overview
Diphtheria toxoid + tetanus toxoid + acellular pertussis is a trivalent combination vaccine used for active immunization against diphtheria, tetanus, and pertussis. It is composed of inactivated toxins (toxoids) from *Corynebacterium diphtheriae* and *Clostridium tetani*, along with purified components of *Bordetella pertussis*. The acellular pertussis component typically includes pertussis toxoid (PT) and filamentous haemagglutinin (FHA), and may also contain pertactin (PRN) and fimbriae (FIM). There are two primary formulations: **DTaP**, which contains higher concentrations of antigens for the initial pediatric series in infants and children up to 6 years of age; and **Tdap** (or dTpa), which contains reduced amounts of diphtheria and pertussis antigens for booster doses in adolescents, adults, and pregnant women. The vaccine is typically adsorbed onto an aluminum-based adjuvant to enhance the immune response. Major developers and manufacturers include GSK, Sanofi, and Mitsubishi Tanabe Pharma.
- Brand names
- DAPTACELAdacelBoostrix
- Other names
- DTaPTdapdTpaadsorbed acellular diphtheria-tetanus-pertussis combined vaccineadsorbed acellular DTP combined vaccine
02
Targets
Diphtheria toxin
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