Published: September 2010

The use of varenicline (Champix) in NZ: Key findings from IMMP study

Prescriber Update 31(3): 22
September 2010

Dr Mira Harrison-Woolrych, Head, IMMP

Prescribers are reminded that the varenicline product information advises a 12 week course of treatment commencing with a starter pack and that failure to complete the course may have implications for the effectiveness of this smoking cessation treatment.1

A recently published study from the NZ Intensive Medicines Monitoring Programme (IMMP) on the use of varenicline (Champix) had the following key findings:2

  1. Pfizer Ltd. New Zealand datasheet for Champix. May 2012. Available at:
  2. Harrison-Woolrych M and Ashton J. 2010. Utilization of the smoking cessation medicine varenicline: an intensive post-marketing study in New Zealand. Pharmacoepidemiology and Drug Safety 19: 1-5.