CA2517493A1 — Therapeutic patch with polysiloxane matrix comprising capsaicin
Assigned to LTS Lohmann Therapie Systeme AG · Expires 2004-10-21 · 22y expired
What this patent protects
Topical patch containing capsaicin or a capsaicin analog, process for its preparation and its use. The invention relates to a topical patch comprising a therapeutic compound-impermeable backing layer, a self-adhesive matrix based on polysiloxanes and containing capsaicin or a the…
USPTO Abstract
Topical patch containing capsaicin or a capsaicin analog, process for its preparation and its use. The invention relates to a topical patch comprising a therapeutic compound-impermeable backing layer, a self-adhesive matrix based on polysiloxanes and containing capsaicin or a therapeutic compound analogous to capsaicin, and a protective film to be removed before use, in which the matrix contains liquid microreservoirs based on an amphiphilic solvent, in which the therapeutic compound is present in completely dissolved form and the concentration of the therapeutic compound in the microreservoir droplets is below the saturation concentration. The invention furthermore relates to a process for its production and its use in the treatment of neuropathic pain.
Drugs covered by this patent
- Qutenza (CAPSAICIN) · Averitas
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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