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Updated: Jul 18, 2026
10:49
Assays for the Specific Growth Rate and Cell-binding Ability of Rotavirus
Published on: January 28, 2019
Rotavirus vaccine RIX4414 (Rotarix)
1Wolters Kluwer Health, Adis, Auckland, New Zealand. demail@adis.co.nz
Paediatric Drugs
|December 13, 2006
Summary
RIX4414, an oral rotavirus vaccine, demonstrated strong immunogenicity and significant protection against severe rotavirus gastroenteritis in infants. This live attenuated vaccine was well-tolerated and did not interfere with other infant vaccinations.
Area of Science:
- Vaccinology
- Pediatric Infectious Diseases
- Gastroenterology
Background:
- Rotavirus gastroenteritis remains a significant global health concern for infants.
- Live attenuated vaccines are a key strategy for preventing rotavirus infections.
Purpose of the Study:
- To evaluate the immunogenicity, efficacy, and safety of RIX4414, a G1P[8] rotavirus vaccine, in infants.
- To assess the vaccine's protective effect against severe rotavirus gastroenteritis and gastroenteritis of any cause.
Main Methods:
- The study involved multiple well-designed, placebo-controlled Phase III clinical trials and a meta-analysis.
- Participants included healthy infants receiving a two-dose oral vaccination schedule.
Main Results:
- RIX4414 showed high seroconversion rates and vaccine take, indicating good immunogenicity.
- Efficacy against severe rotavirus gastroenteritis was up to 96% in one trial and 85% in another.
- The vaccine demonstrated cross-protection against other rotavirus serotypes and was well-tolerated, with no increased risk of intussusception.
Conclusions:
- RIX4414 is an effective and safe vaccine for preventing rotavirus gastroenteritis in infants.
- The vaccine provides significant protection against severe disease and is compatible with other infant vaccines.
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