CA Patent

CA1315689C — Quarternary derivatives of noroxymorphone which relieve nausea and emesis

Assigned to University of Chicago · Expires 1993-04-06 · 33y expired

What this patent protects

QUATERNARY DERIVATIVES OF NOROXYMORPHONE WHICH RELIEVE NAUSEA AND EMESIS ABSTRACT OF THE DISCLOSURE Quaternary derivatives of noroxymorphone are used to prevent or relieve nausea and emesis associated with the use of narcotic analgesics without interfering wi…

USPTO Abstract

QUATERNARY DERIVATIVES OF NOROXYMORPHONE WHICH RELIEVE NAUSEA AND EMESIS ABSTRACT OF THE DISCLOSURE Quaternary derivatives of noroxymorphone are used to prevent or relieve nausea and emesis associated with the use of narcotic analgesics without interfering with the analgesic activity of the drugs. A particularly preferred compound is methylnaltrexone. The compound is administered in a concentration between 0.05 mg/kg and 1.0 mg/kg prior to or concurrently with the administration of the narcotic analgesic.

Drugs covered by this patent

Patent Metadata

Patent number
CA1315689C
Jurisdiction
CA
Classification
—
Expires
1993-04-06
Drug substance claim
No
Drug product claim
No
Assignee
University of Chicago
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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