IP Library Granted Patent US 12,703,691
Granted Patent B2
US 12,703,691 · App. 17/906,653 · Granted Aug 11, 2026

PHD inhibitor compounds, compositions, and their use

Inventors: Paul E. Fleming (Cambridge, MA); Thomas P. Blaisdell (Cambridge, MA); Senkara Rao Allu (Cambridge, MA)
Assignee: Akebia Therapeutics, Inc.
C07D401/04C07D401/14C07D413/14C07D417/14C07B2200/05
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Quick Facts
Patent No.
US 12,703,691
App. No.
17/906,653
Filed
Sep 19, 2022
Granted
Aug 11, 2026
Kind
B2
Art Unit
1627
USPC
514/236.5
Abstract

The present invention provides, in part, novel small molecule inhibitors of PHD, having a structure according to Formula (A), and sub-formulas thereof: or a pharmaceutically acceptable salt thereof. The compounds provided herein can be useful for treatment of diseases including heart (e.g. ischemic heart disease, congestive heart failure, and valvular heart disease), lung (e.g., acute lung injury, pulmonary hypertension, pulmonary fibrosis, and chronic obstructive pulmonary disease), liver (e.g. acute liver failure and liver fibrosis and cirrhosis), and kidney (e.g. acute kidney injury and chronic kidney disease) disease.

Claims (9)

1 . A compound selected from the group consisting of:

Cmpd

No.

Structure

1

2

3

or a pharmaceutically acceptable salt thereof.

2 . A pharmaceutical composition comprising the compound of claim 1 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient.

Assignments (2)
SECURITY INTEREST Recorded Jan 29, 2024
From: AKEBIA THERAPEUTICS, INC.; KERYX BIOPHARMACEUTICALS, INC.
To: KREOS CAPITAL VII (UK) LIMITED
Reel/Frame 066377/0654 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2022
From: FLEMING, PAUL E.; BLAISDELL, THOMAS P.; ALLU, SENKARA RAO
To: AKEBIA THERAPEUTICS, INC.
Reel/Frame 061267/0186 →
Continuity (2)
Provisional Application 62992616 · Mar 20, 2020
Related Publication 20230212138A1 · Jul 6, 2023
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