CA Patent

CA2999367A1 — Prodrugs of gamma-hydroxybutyric acid, compositions and uses thereof

Assigned to XWPharma Ltd · Expires 2017-03-30 · 9y expired

What this patent protects

Gamma-hydroxybutyric acid prodrugs have the structure of Formula (IA): or a pharmaceutically acceptable salt thereof, wherein Rg is hydrogen or C1-3 alkyl; and Rh and Rf are independently hydrogen or C1-3 alkyl. Following oral administration, the gamma-hydroxybutyric acid prodrug…

USPTO Abstract

Gamma-hydroxybutyric acid prodrugs have the structure of Formula (IA): or a pharmaceutically acceptable salt thereof, wherein Rg is hydrogen or C1-3 alkyl; and Rh and Rf are independently hydrogen or C1-3 alkyl. Following oral administration, the gamma-hydroxybutyric acid prodrugs release gamma¼ hydroxybutyric acid into the systemic circulation. The gamma-hydroxybutyric acid prodrugs and pharmaceutical compositions thereof are useful in treating sleep disorders such as narcolepsy.

Drugs covered by this patent

Patent Metadata

Patent number
CA2999367A1
Jurisdiction
CA
Classification
Expires
2017-03-30
Drug substance claim
No
Drug product claim
No
Assignee
XWPharma 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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