Oral recombinant Helicobacter pylori vaccine and preparing method thereof
US8900594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2007 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jul 30, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K2319/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a recombinant protein used for immunoprophylaxis of human Helicobacter pylori infection and a degradable slow-releasing microsphere-encapsulated oral vaccine preparation prepared from the same, and the preparation method thereof. Said recombinant protein is composed of A2 subunit and B subunit of the LT of enterotoxigenic Escherichia coli and urease B subunit. The vaccine provided in the invention used in human Helicobacter pylori infection is safe and effective and convenient for oral intake.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.