Friday, August 21, 2015

A potent b-blocker with prominent intrinsic sympathomimetic activity

INTRODUCTION
A potent b-blocker with prominent intrinsic sympathomimetic activity. It has been used primarily as hypertensive may be adv in patient who develop marked bradycardia with propranolol

PHARMACOKINETIC
•         Moderate lipid solubility
•         Halflife:3-4hrs
•         Bioavailability:90%
•          
MECHANISM OF ACTION
Pindolol non selectively blocks beta-1 adrenergic receptor mainly in the heart inhibiting the effect of epinephrine and norepinephrine resulting in a decrease in heart rate and blood pressure by binding beta-2 receptor.pindolol inhibit the production of renin thereby inhibiting angiotensin-II and aldosterone production and therefore inhibit the vasoconstriction and water retention due to angiotensin-II and aldosterone respectively

USES
•         Hypertension
•         Angina pectoris
•         Cardiac arrhythmias
•         MI
•         Congestive heart failure
•         Pheochromocytoma
•         Migraine
•         Anxiety
•         Glaucoma

ADVERSE EFFECT
•         Beta blocker can worsen asthma and heart failure
•         Produce hypoglycemia
•         CNS disturbance
•         Lethargy and vivid nightmares
•          
DOSE
•         ORAL: (5-15)mg tab
     Some marketed brand
           INADOL 5mg   VIKEN 10,15mg