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Curr Hypertens Rep. 2019 May 21;21(7):50. doi: 10.1007/s11906-019-0957-4.

Orally Active Aminopeptidase A Inhibitor Prodrugs: Current State and Future Directions.

Author information

1
Laboratory of Central Neuropeptides in the Regulation of Body Fluid Homeostasis and Cardiovascular Functions, Collège de France, Center for Interdisciplinary Research in Biology (CIRB), INSERM U1050/CNRS UMR 7241, 11 Place Marcelin Berthelot, 75005, Paris, France.
2
Quantum Genomics, 33 rue Marbeuf, 75008, Paris, France.
3
Laboratory of Central Neuropeptides in the Regulation of Body Fluid Homeostasis and Cardiovascular Functions, Collège de France, Center for Interdisciplinary Research in Biology (CIRB), INSERM U1050/CNRS UMR 7241, 11 Place Marcelin Berthelot, 75005, Paris, France. c.llorens-cortes@college-de-france.fr.

Abstract

PURPOSE OF REVIEW:

To review the data supporting the use of aminopeptidase A (APA) inhibitor prodrugs as centrally acting antihypertensive agents.

RECENT FINDINGS:

Brain renin-angiotensin system (RAS) hyperactivity has been implicated in the development and maintenance of hypertension. Angiotensin III, generated by APA, one of the main effector peptides of the brain RAS, exerts a tonic stimulatory control over blood pressure in hypertensive rats. This identified brain APA as a potential therapeutic target for the treatment of hypertension, leading to the development of RB150/firibastat, an orally active prodrug of the specific and selective APA inhibitor, EC33. When given orally, RB150/firibastat crosses the gastrointestinal and blood-brain barriers, enters the brain, and generates two active molecules of EC33 which inhibit brain APA activity, blocking brain angiotensin III formation, and decrease blood pressure for several hours in hypertensive rats. Orally active APA inhibitor prodrugs, by blocking brain RAS activity, represent promising novel strategy for treating hypertension.

KEYWORDS:

Aminopeptidase A inhibitor; Brain renin–angiotensin system; Hypertension

PMID:
31115779
DOI:
10.1007/s11906-019-0957-4

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