Technetium tc 99m red blood cells
As of the edition of 20 October 2026, Technetium tc 99m red blood cells is a drug: marketed, first approved in 1991 (US); no US protection is listed.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 1991
- Kind
- Unknown
- Brand name
- Ultratag
- First approved
- 10 June 1991 (US)
- Approvals on record
- 2 in 1 region
- Holder of the most recent approval
- Cadema Medical; 2 holders in all
US protection
No US protection is listed.
The FDA registers list no drug-substance patent or exclusivity that counts for this drug.
This is the US only.
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| Byk-Mallinckrodt CIL | Earlier holder | 1991 to now |
| Cadema Medical | Acquired holder | 2003 to now |
| Curium | Acquired holder | 2019 to now |