Leqembi IQLIK Purple Book BLA 761375
- BLA number
- 761375
- Proprietary names
- Leqembi IQLIK
- Proper names
- lecanemab-irmb
- Applicant
- Eisai, Incorporated
- Center
- CDER
- First observed release
- 2025-09-01
- Latest observed release
- 2026-06-01
- Newest archive release
- 2026-06-01
- FDA patent list
- No patents listed in the captured FDA patent list; source updated 2025-06-11
- Coverage
- Present in newest release
Latest Known Product Presentations#
Product, Proprietary name, Proper name table| Product | Proprietary name | Proper name | License type | Strength | Dosage form | Route | Presentation | Marketing | Licensure | Approval | Patent list provided |
|---|
| 001 | Leqembi IQLIK | lecanemab-irmb | 351(a) | 360MG/1.8ML (200MG/ML) | Injection | Subcutaneous | Autoinjector | Rx | Licensed | 2025-08-29 | |
Published Patent List#
No patents for this BLA were listed in the FDA Purple Book patent list captured from the source updated 2025-06-11.
Official Monthly Change Events#
Release, Event, Product table| Release | Event | Product | Name | License type | Status | Applicant |
|---|
| 2025-09-01 | N | 001 | Leqembi IQLIK | 351(a) | Rx | Eisai, Incorporated |
Observed Product State History#
Release, Product, Name table| Release | Product | Name | License type | Marketing | Licensure | Approval |
|---|
| 2025-09-01 | 001 | Leqembi IQLIK | 351(a) | Rx | Licensed | 2025-08-29 |