CA Patent

CA3177556A1 — Contraceptive compositions with reduced adverse effects

Assigned to Estetra SRL · Expires 2021-10-21 · 5y expired

What this patent protects

The present invention relates to a combined oral contraceptive with a reduced risk for side effects, including a reduced risk for QT interval prolongation, a reduced risk for testosterone decrease and a reduced risk for elevated C-reactive protein levels when compared to other co…

USPTO Abstract

The present invention relates to a combined oral contraceptive with a reduced risk for side effects, including a reduced risk for QT interval prolongation, a reduced risk for testosterone decrease and a reduced risk for elevated C-reactive protein levels when compared to other combined oral contraceptives. The estetrol/drospirenone combined oral contraceptive described herein shows favorable pharmacokinetics for the progestogenic component. Use of a specific estrogenic component in the combined oral contraceptive entails multiple benefits over currently available combined oral contraceptives.

Drugs covered by this patent

Patent Metadata

Patent number
CA3177556A1
Jurisdiction
CA
Classification
—
Expires
2021-10-21
Drug substance claim
No
Drug product claim
No
Assignee
Estetra SRL
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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