US Patent

US9006256 — Antitumor agent for thyroid cancer

Method of Use · Assigned to Eisai R&D Management Co Ltd · Expires 2027-07-27 · 1y remaining

Vulnerability score 75/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects pharmaceutical compositions and therapeutic methods for treating various diseases, including thyroid cancer, using a RET kinase inhibiting substance.

USPTO Abstract

The present invention provides pharmaceutical compositions and therapeutic methods for treating diseases such as multiple endocrine neoplasia type IIA, multiple endocrine neoplasia type IIB, familial medullary thyroid carcinoma, thyroid carcinoma, papillary thyroid carcinoma, sporadic medullary thyroid carcinoma, Hirschsprung disease, pheochromocytoma, parathyroid hyperplasia and mucosal neuromas of the gastrointestinal tract. The therapeutic methods and pharmaceutical compositions use a RET kinase inhibiting substance, such as 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide and pharmacologically acceptable salts thereof, and involve a step of administering the RET kinase inhibiting substance to a patient.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-1695 lenvatinib-mesylate
U-1695 lenvatinib-mesylate

Patent Metadata

Patent number
US9006256
Jurisdiction
US
Classification
Method of Use
Expires
2027-07-27
Drug substance claim
No
Drug product claim
No
Assignee
Eisai R&D Management Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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