Abstract
Retreat in psychiatric drug development results in innovative medication decline that
might be at least partially overcome by adjunct therapy. New evidence from clinical
studies has shown a possible role for brain Renin-Angiotensin System (RAS) in both
affective and psychotic disorders. Simultaneously, rapidly accumulating data from
basic studies indicate effectiveness of central RAS blockade in much broader range
of neuropsychiatric disease. Recent findings implicate brain RAS, especially Angiotensin
II (Ang II), in neural pathophysiology of mental disorders through neuroendocrine
modulation and effects on neurotransmitter release, mostly noradrenaline, acetylcholine
and dopamine. The potential effects of angiotensin-converting-enzyme (ACE) inhibition
and angiotensin type 1 receptor (AT1R) blockade on treatment of mental disorders are
a matter of considerable interest. This review describes involvement of brain RAS
in pathophysiology of neuropsychiatric disorders and an intriguing possibilities of
improvement in pharmacological treatment outcome, where using angiotensin-converting-enzyme
inhibitors (ACEI) and Angiotensin Receptor Blockers (ARB), goes beyond blood pressure
control.
Key words
Angiotensin II - Angiotensin Receptor Antagonists - Biological Psychiatry - Psychopharmacology
- Renin-Angiotensin System