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
| 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 |
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Patent Claim Types: see list of patent claims | Use; Composition; |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dusa | LEVULAN | aminolevulinic acid hydrochloride | SOLUTION;TOPICAL | 020965-001 | Dec 3, 1999 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | TREATMENT OF ACTINIC KERATOSES OF UPPER EXTREMITIES BY PHOTODYNAMIC THERAPY | ⤷ Sign Up | ||||
| >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 | ⤷ Sign Up | |||
| Australia | 2020103365 | ⤷ Sign Up | |||
| Australia | 2020267186 | ⤷ Sign Up | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
