EP Patent

EP4611815A1 — Photodynamic therapy methods

Assigned to Sun Pharmaceutical Industries Inc · Expires 2025-09-10 · 1y expired

What this patent protects

A method of performing photodynamic therapy is provided. The method includes applying, to the skin of a patient, a topical composition. The topical composition includes 5- aminolevulinic acid (ALA) hydrochloride, and a vehicle comprising at least one chelating agent to enhance ac…

USPTO Abstract

A method of performing photodynamic therapy is provided. The method includes applying, to the skin of a patient, a topical composition. The topical composition includes 5- aminolevulinic acid (ALA) hydrochloride, and a vehicle comprising at least one chelating agent to enhance accumulation of protoporphyrin IX (PpIX) in the skin. The method further includes incubating the topical composition, and following incubation, applying, to the skin, heat from a heat source for at least a first time period.

Drugs covered by this patent

Patent Metadata

Patent number
EP4611815A1
Jurisdiction
EP
Classification
—
Expires
2025-09-10
Drug substance claim
No
Drug product claim
No
Assignee
Sun Pharmaceutical Industries Inc
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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