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Last Updated: December 23, 2024

Details for Patent: 11,135,293


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Which drugs does patent 11,135,293 protect, and when does it expire?

Patent 11,135,293 protects LEVULAN and is included in one NDA.

This patent has ten patent family members in three countries.

Summary for Patent: 11,135,293
Patent landscape, scope, and claims:
Title:Methods for photodynamic therapy
Abstract: A method of enhancing penetration of a topical composition of 5-aminolevulinic acid (ALA) into tissue for photodynamic therapy includes topically applying ALA to a treatment area to be treated with photodynamic therapy. The method further includes, after the ALA is applied to the treatment area, covering the treatment area with a low density polyethylene barrier. The treatment area is covered with the low density polyethylene barrier prior to light treatment to minimize transepidermal water loss from the treatment area.
Inventor(s): Lundahl; Scott (Lexington, MA), Guttadauro; Michael (Carlisle, MA)
Assignee: DUSA PHARMACEUTICALS, INC. (Billerica, MA)
Application Number:17/109,311
Patent Claim Types:
see list of patent claims
Use; Composition;

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Drugs Protected by US Patent 11,135,293

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharm Inds Inc LEVULAN aminolevulinic acid hydrochloride SOLUTION;TOPICAL 020965-001 Dec 3, 1999 RX Yes Yes ⤷  Subscribe ⤷  Subscribe TREATMENT OF ACTINIC KERATOSES OF UPPER EXTREMITIES BY PHOTODYNAMIC THERAPY ⤷  Subscribe
>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 11,135,293

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2019200152 ⤷  Subscribe
Australia 2020103365 ⤷  Subscribe
Australia 2020267186 ⤷  Subscribe
Australia 2021102111 ⤷  Subscribe
Australia 2021107564 ⤷  Subscribe
Australia 2022209242 ⤷  Subscribe
Canada 3029792 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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