Last Updated: October 1, 2026

Investigational Drug Information for Firibastat


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What is the drug development status for Firibastat?

Firibastat is an investigational drug.

There have been 5 clinical trials for Firibastat. The most recent clinical trial was a Phase 1 trial, which was initiated on June 25th 2020.

The most common disease conditions in clinical trials are Hypertension, Myocardial Infarction, and Infarction. The leading clinical trial sponsors are Quantum Genomics SA, Quotient Sciences, and Eurofins Optimed.

There are five US patents protecting this investigational drug and ninety-one international patents.

Recent Clinical Trials for Firibastat
TitleSponsorPhase
Randomized Study of Extended Treatment With Firibastat in Treatment-Resistant Hypertension (REFRESH)PRA Health SciencesPhase 3
Randomized Study of Extended Treatment With Firibastat in Treatment-Resistant Hypertension (REFRESH)Quantum Genomics SAPhase 3
Firibastat in Treatment-resistant HypertensionQuantum Genomics SAPhase 3

See all Firibastat clinical trials

Clinical Trial Summary for Firibastat

Top disease conditions for Firibastat
Top clinical trial sponsors for Firibastat

See all Firibastat clinical trials

US Patents for Firibastat

Drugname Patent Number Patent Title Patent Assignee Estimated Expiration
Firibastat ⤷  Start Trial Compounds and compositions comprising the same for treating hypertension or heart failure Centre National de la Recherche Scientifique CNRS , Institut National de la Sante et de la Recherche Medicale INSERM , Quantum Genomics SA , College de France ⤷  Start Trial
Firibastat ⤷  Start Trial Derivatives of 4,4'-dithiobis-(3-aminobutane-1-sulfonates) and compositions comprising the same Institute National de la Sante et de la Recherche Medicale (Inserm) (Paris Cedex, FR) ⤷  Start Trial
Firibastat ⤷  Start Trial Method for the preparation of (3S, 3S') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid) QUANTUM GENOMICS (Paris, FR) ⤷  Start Trial
Firibastat ⤷  Start Trial Method for the preparation of (3S,3S') 4,4'-disulfanediylbis (3-aminobutane 1-sulfonic acid) QUANTUM GENOMICS (Massy, FR) ⤷  Start Trial
Firibastat ⤷  Start Trial Crystalline phase of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine Quantum Genomics SA ⤷  Start Trial
>Drugname >Patent Number >Patent Title >Patent Assignee >Estimated Expiration

International Patents for Firibastat

Drugname Country Document Number Estimated Expiration Related US Patent
Firibastat Austria AT455097 2023-08-06 ⤷  Start Trial
Firibastat Canada CA2533432 2023-08-06 ⤷  Start Trial
Firibastat Cyprus CY1109950 2023-08-06 ⤷  Start Trial
Firibastat Germany DE602004025119 2023-08-06 ⤷  Start Trial
Firibastat Denmark DK1651596 2023-08-06 ⤷  Start Trial
>Drugname >Country >Document Number >Estimated Expiration >Related US Patent

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