Haemophilus influenzae type b capsular polysaccharide meningococcal outer membrane protein conjugate antigen
As of the edition of 20 October 2026, Haemophilus influenzae type b capsular polysaccharide meningococcal outer membrane protein conjugate antigen is a vaccine component: marketed, first approved in 1989 (US); US protection ended in 2001.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 1989
- Kind
- Vaccine component
- Brand name
- Pedvaxhib
- First approved
- 20 December 1989 (US)
- Approvals on record
- 1 in 1 region
- Holder of the most recent approval
- Merck & Co.
- Registered trials
- 4, 0 stopped early
- Disease areas
- Infections; Digestive system; Lungs and airways; Nervous system
US protection
US protection ended in 2001.
US protection ended in 2001, computed as 12 years from the first US licence because FDA publishes no date for this product. The application that gives this date is held by Merck & Co.. The date is computed, not published.
This is the US only, and it is not the date generics or biosimilars can enter.
The exact date and the listings behind it
In the product1 listing counts towards this date. The exact date and each listing are in the product.
See the exact date and the 1 listing behind itRequest access. Nothing is shown until you do.
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase not stated | 1 | 1 | 0 | 0 |
| Phase 2 | 1 | 1 | 0 | 0 |
| Phase 3 | 1 | 1 | 0 | 0 |
| Phase 4 | 1 | 1 | 0 | 0 |
| All trials | 4 |