Preparation of topical regional compositions for the relief...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...

Reexamination Certificate

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C514S289000, C514S654000

Reexamination Certificate

active

06897241

ABSTRACT:
A method is presented for the preparation of topically applied compositions used for the treatment of regional pain, especially sympathetically mediated pain. NMDA receptor antagonists, such as ketamine or dextromethorphan, and one or more tricyclic antidepressants, such as amitriptyline, in combination, are employed.

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