US protection

US protection ending in 2026: Inherited and neonatal

As of the edition of 20 October 2026, 23 drugs have US protection that ends (or has ended) in 2026 in inherited and neonatal; 8 of them have at least one company on route B because of it.

Sources: FDA Orange Book and Purple Book, other approval registers.

23 drugs

DrugUS protectionStatusHolderTargetRoute B rows
Afamelanotide Ended 2026 (exclusivity)Marketed Clinuvel MC1R 1
Asenapine Ended 2026 (patent)Marketed AbbVie HTR2A 3
Belinostat Ended 2026 (patent)Marketed Acrotech Biopharma 0
Brivaracetam Ended 2026 (patent)Marketed UCB SV2A 1
Conestat alfa Ended 2026 (reference-product exclusivity)Marketed Pharming Americas BV 0
Dasatinib anhydrous Ended 2026 (exclusivity)Marketed ABL1, BLK, FGR 12
Deflazacort Ended 2026 (exclusivity)Marketed PTC Therapeutics NR3C1 0
Dulaglutide Ended 2026 (computed from the first US licence)Marketed Eli Lilly GLP1R 0
Efmoroctocog alfa Ended 2026 (computed from the first US licence)Marketed Bioverativ Therapeutics 0
Eftrenonacog alfa Ended 2026 (computed from the first US licence)Marketed Bioverativ Therapeutics 0
Elosulfase alfa Ended 2026 (computed from the first US licence)Marketed Amicus Therapeutics 0
Golodirsen Ends 2026 (exclusivity)Marketed Avi Biopharma DMD 0
Ivabradine Ends 2026 (patent)Marketed Amgen HCN4 3
Leuprolide Ended 2026 (exclusivity)Marketed GNRHR 1
Metreleptin Ended 2026 (computed from the first US licence)Marketed Chiesi Farmaceutici LEPR 0
Neisseria meningitidis factor h binding protein Ends 2026 (reference-product exclusivity)Marketed Pfizer 0
Onabotulinumtoxina Ended 2026 (orphan exclusivity)Marketed AbbVie SNAP25 0
Pasireotide Ends 2026 (patent)Marketed Recordati Rare Diseases SSTR2, SSTR3, SSTR5 0
Perampanel Ended 2026 (patent)Marketed Angelini Pharma GRIA1, GRIA2, GRIA3 4
Sitagliptin Ends 2026 (patent)Marketed Merck & Co. DPP4 1
Susoctocog alfa Ends 2026 (computed from the first US licence)Marketed Takeda 0
Tiopronin Ended 2026 (exclusivity)Marketed Mission Pharmacal 0
Tolvaptan Ended 2026 (patent)Marketed Otsuka AVPR2 0

Listed by name. A route B row is one company at one target; for a drug with one target that is the number of companies. US protection is the US only, and it is not the date generics or biosimilars can enter.

Which companies are on route B in 2026 in inherited and neonatal

In the product

8 of these 23 drugs have at least one company on route B. Which companies, and their scores, are in the product.

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US protection movers, once a month

The drugs that entered or left the two-year window in the latest edition. An email, not an account: it gives no access to the product.