Vasopeptidase inhibitors (VPI) are a new promising class of drugs, that simultaneously inhibit Angiotensin - Converting Enzyme (ACE) and an enzyme Neutral Endopeptidase (NEP), that cleaves the natriuretic peptides. These drugs, such as omapatrilat, sampatrilat, fasidotrilat, by combined inhibition of ACE and degradation of natriuretic peptides and in turn by inhibiting the Renin - Angiotensin - Aldosterone system and potentiating the Natriuretic Peptide system and Kinin system should decrease the mortality rate in the group of patients with hypertension being not adequately controlled with ACE inhibitors. Thus, finding the new therapeutic strategy using drugs that act on the hormonal systems other than Renin - Angiotensin - Aldosterone system seems to be crucial. The aim of the study was to compare the molecular aspects of the conventional schemes that are being used in the antihypertension therapy to the new drugs from the vasopeptidase inhibitors group--with focusing on the natriuretic peptide system (NPS)--and, taking these considerations, making clues about therapeutical implications to reveal promising results in antihypertension treatment.

2003-09-01·Current opinion in investigational drugs (London, England : 2000)

Fasidotril Eli Lilly.

Review

作者: Ozdemir, Vural ; Ozdener, Fatih

Lilly is developing fasidotril, a diester prodrug of the active metabolite fasidotrilat, for the potential treatment of hypertension and congestive heart failure (CHF). Phase II trials to investigate the potential of fasidotril for the treatment of hypertension and CHF had commenced by the late 1990s, and were ongoing in July 2003 in the US and Europe.

2002-06-01·Mini-Reviews in Medicinal Chemistry3区 · 医学

Strategies for Access to Enantiomerically Pure Ecadotril, Dexecadotril and Fasidotril: A Review

3区 · 医学

Review

作者: Sihel, Miryam ; Plaquevent, Jean-Christophe ; Monteil, Thierry ; Leroux, Richard ; Danvy, Denis

Ecadotril and dexecadotril are powerful and selective inhibitors of neprilysin (NEP, EC 3.4.24.11) and are being developed as therapeutic agents, since they behave as prodrugs of the enantiomers of thiorphan. They exhibit different pharmaceutical profiles (intestinal antisecretatory action for the (R) enantiomer, i.e. dexecadotril, and cardiovascular activity for the (S) enantiomer, i.e. ecadotril). Fasidotril is a related compound which has special interest as an equipotent dual inhibitor of NEP and ACE (EC 3.4.15.1). This behavior confers on fasidotril powerful pharmaceutical properties in the cardiovascular field. This review deals with various synthetic approaches, either published or patented, for access to the enantiomerically pure or highly enriched forms of these drugs. Thus, different methods have been studied, which are taken from different methodologies of resolution procedures and asymmetric synthesis, namely : i- Synthesis from a chiron from the chiral pool ii- Chemical resolution of racemic precursors iii- Enzymatic resolution and desymmetrization of meso starting materials iv- Asymmetric synthesis, including enantioselective catalytic hydrogenation, alkaloid catalyzed asymmetric Michael additions, and diastereoselective alkylation of a chiral derivative. Some of these methods are used in industrial processes leading to the indicated compounds.

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