Last Updated: September 25, 2026

Details for Patent: 12,257,215


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Which drugs does patent 12,257,215 protect, and when does it expire?

Patent 12,257,215 protects GOMEKLI and is included in two NDAs.

This patent has forty-eight patent family members in twelve countries.

Summary for Patent: 12,257,215
Title:Mirdametinib treatment
Abstract:The present disclosure relates to a method for treating certain types of tumors or cancers, such as plexiform neurofibromas (PN), plexiform neurofibromas associated with neurofibromatosis type 1 (NF1-PN), by orally administering an effective amount of mirdametinib to the patient, where an amount of mirdametinib is administered on the first day of treatment to provide (i) an AUC0-tau less than 400 ng·h/mL, (ii) a Cmax no more than 40 ng/mL, or (iii) both.
Inventor(s):Uchenna H. Iloeje, Abraham J. Langseth, Todd Webster SHEARER
Assignee: SpringWorks Therapeutics Inc
Application Number:US18/674,168
Patent Claim Types:
see list of patent claims
Use;

Drugs Protected by US Patent 12,257,215

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Springworks GOMEKLI mirdametinib CAPSULE;ORAL 219389-001 Feb 11, 2025 RX Yes No 12,257,215 ⤷  Start Trial TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  Start Trial
Springworks GOMEKLI mirdametinib CAPSULE;ORAL 219389-002 Feb 11, 2025 RX Yes Yes 12,257,215 ⤷  Start Trial TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  Start Trial
Springworks GOMEKLI mirdametinib TABLET, FOR SUSPENSION;ORAL 219379-001 Feb 11, 2025 RX Yes Yes 12,257,215 ⤷  Start Trial TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 12,257,215

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2023233745 ⤷  Start Trial
Australia 2023234587 ⤷  Start Trial
Australia 2023234590 ⤷  Start Trial
Australia 2023236367 ⤷  Start Trial
Canada 3254258 ⤷  Start Trial
Canada 3254428 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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