NMDA receptor antagonist formulation with reduced neurotoxicity

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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C514S657000, C514S665000

Reexamination Certificate

active

10256283

ABSTRACT:
The present invention is directed to pharmaceutical compositions of effective amounts of NMDA receptor antagonists and preservative for the administration to a patient in need of effective analgesia and anesthesia. The compositions of the invention advantageously do not cause any significant neurotoxicity. The preferred NMDA receptor antagonist is ketamine. The preferred preservative is benzalkonium chloride.

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