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CHANTIX APPROVED BY FDA
The U.S. Food and Drug Administration have approved Chantix
(Varenicline Tartrate) for smoking
cessation treatment. Chantix was approved by FDA on 11 May,
2006 for its notable potential to promote public health.
This is the second medicine approved by FDA for smoking cessation
treatment; the first to receive the approval was Zyban, fourth
Pfizer medicine to receive FDA approval in 2006. Unlike Zyban
or nicotine-replacement therapies, Chantix
works by blocking the brain receptors that help perpetuate
addiction and lowers the cravings for nicotine.
At the same time it also helps to overcome withdrawal effects
of smoking. In more scientific terms, Varenicline
obstructs activation of a4b2 receptors by nicotine, thus stimulates
the central nervous mesolimbic dopamine system, which behind
the neuronal mechanism produces sensational feelings upon
smoking.
A dditionally, a person may continue smoking while receiving
treatment and the effect would be a reduced sense of satisfaction
associated with cigarette smoking. This way Chantix helps
to break the vicious cycle of nicotine addiction.
Chantix comes as a white tablet (0.5 mg) to
start with followed by a blue tablet (1 mg) for administration
during treatment. It has superior efficacy and safety record
compared to other smoking cessation medications. In contrast
to Zyban and other nicotine replacement devices, Chantix is
well tolerated and has minimal side effects.
Chantix was approved based on the results of
comprehensive clinical trial program involving more than 2,000
cigarette addicts. The Chantix therapy almost fourfolded
the chances of quit smoking as compared to any other medication.
The major healthcare institutes consider Chantix as
a significant advancement in the underdeveloped area of cigarette
smoking treatment.
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