GB Patent

GB9717576D0 — Pharmaceutical compounds

Assigned to Xenova Ltd · Expires 1997-10-22 · 29y expired

What this patent protects

Anthranilic acids of formula (I):wherein each of R to R9 is an organic substituent, n is 0 or 1, m is 0 or an integer of 1 to 6, q is 0 or 1, X is a direct bond, O, S, -S-(CH2)p or -O-(CHO2)p- wherein p is from 1 to 6 and Ar is an unsaturated carbocyclic or heterocyclic group, an…

USPTO Abstract

Anthranilic acids of formula (I):wherein each of R to R9 is an organic substituent, n is 0 or 1, m is 0 or an integer of 1 to 6, q is 0 or 1, X is a direct bond, O, S, -S-(CH2)p or -O-(CHO2)p- wherein p is from 1 to 6 and Ar is an unsaturated carbocyclic or heterocyclic group, and the pharmaceutically acceptable salts thereof, have activity as inhibitors of P-glycoprotein and may thus be used, inter alia, as modulators of multidrug resistance in the treatment of multidrug resistant cancers, for example to potentiate the cytotoxicity of a cancer drug.

Drugs covered by this patent

Patent Metadata

Patent number
GB9717576D0
Jurisdiction
GB
Classification
—
Expires
1997-10-22
Drug substance claim
No
Drug product claim
No
Assignee
Xenova Ltd
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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