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Published on: June 7, 2016
Next generation multifunctional angiotensin receptor blockers
1Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA. kurtzt@labmed2.ucsf.edu
Insights
Next-generation angiotensin receptor blockers (ARBs) offer multi-target approaches beyond renin-angiotensin system inhibition. These advanced ARBs aim to improve cardiovascular and metabolic health by addressing additional disease mechanisms.
Area of Science:
- Cardiovascular Pharmacology
- Metabolic Disease Research
Background:
- Angiotensin receptor blockers (ARBs) effectively manage hypertension and cardiovascular disease by inhibiting the renin-angiotensin system (RAS).
- Despite ARB treatment, many patients experience persistent cardiovascular events and metabolic issues, indicating limitations of solely targeting the RAS.
- This highlights the need for novel therapeutic strategies that address multifactorial aspects of these conditions.
Purpose of the Study:
- To explore the significance of multifunctional ARBs in reducing cardiovascular and metabolic risks.
- To introduce next-generation ARBs designed to target mechanisms beyond simple AT(1) receptor blockade.
- To review emerging ARB compounds with dual or multiple therapeutic actions.
Main Methods:
- Literature review of current research on ARBs and novel therapeutic targets.
- Analysis of emerging bifunctional molecules designed to modulate multiple signaling pathways.
- Discussion of the potential benefits of ARBs with expanded pharmacological profiles.
Main Results:
- Next-generation ARBs are being developed with capabilities beyond AT(1) receptor antagonism.
- These advanced ARBs incorporate mechanisms such as endothelin receptor blockade, nitric oxide donation, neprilysin inhibition, and PPARgamma agonism.
- Multifunctional ARBs show promise in addressing complex cardiovascular and metabolic pathophysiology.
Conclusions:
- Multifunctional ARBs represent a promising advancement in cardiovascular and metabolic disease management.
- By targeting multiple pathways, these novel agents may offer superior risk reduction compared to traditional ARBs.
- Further research and clinical trials are essential to validate the efficacy and safety of these next-generation ARBs.
Abstract:
Angiotensin receptor blockers (ARBs) are well-tolerated drugs that are known to be useful for inhibiting activity of the renin-angiotensin (RAS) system, treating hypertension and reducing the risk for cardiovascular disease. However, inhibition of the RAS does not control all pathophysiological mechanisms of hypertension or cardiovascular risk and many patients continue to suffer from cardiovascular events and metabolic disturbances despite being treated with an ARB, an angiotensin-converting enzyme inhibitor or both, in addition to other standard therapies for cardiovascular disease. Recently, it has become apparent that bifunctional molecules can be designed that do more than just block AT(1) receptors and that can target additional mechanisms of hypertension, cardiovascular disease and diabetes besides just increased activity of the renin-angiotensin system. Specifically, next generation ARBs are becoming available that are intended to not only antagonize AT(1) receptors, but also block endothelin receptors, function as nitric oxide donors, inhibit neprilysin activity and increase natriuretic peptide levels, or stimulate the peroxisome proliferator-activated receptor gamma (PPARgamma). In this review, we: (1) discuss the potential importance of multifunctional ARBs that can reduce cardiovascular and metabolic risk through multiple mechanisms that go beyond just inhibition of the renin-angiotensin system and (2) describe specific examples of next generation ARBs in development that are intended to do more than simply block AT(1) receptors.
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