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Smokefree May is the perfect time to kick the habit and the National Institute for Health Innovation (NIHI) invites any smoker who wants to make a healthy change to for a study that will test cytisine, a natural product which has been shown to help smokers quit.

The two-year trial, known as Cess@tion, is funded by the Health Research Council of New Zealand and seeks 800 participants. Alongside the  theme 鈥榃e鈥檙e backing you鈥�, the trial is an excellent opportunity to be inspired by the campaign message: 鈥楾aituara, taiwhare, taieke: With backing, even the tallest of ocean waves can be conquered.鈥�

Alongside cytisine, the trial will also test the effectiveness of nicotine e-cigarettes in smoking cessation, building on NIHI鈥檚 e-cigarette research, says Associate Professor Natalie Walker, who leads the Tobacco and Addiction research group at NIHI. Trial participants will be randomly given cytisine only, nicotine e-cigarettes only, or both.

Cytisine is sourced from and marketed in Eastern Europe but is not yet approved for use in Aotearoa New Zealand. It sits in the same class as Champix, the most effective quit-smoking medicine available. International research indicates it is just as effective but much lower cost and has fewer side effects. As a natural compound, cytisine is found in many plants around the world, including the New Zealand k艒whai tree, giving the product a cultural link to Aotearoa New Zealand. It works by taking the edge off cravings and makes cigarettes less enjoyable, should someone have a puff.

鈥淛ust like any active drug, cytisine must go through a regulatory approval process. The more research that is done, especially locally, the more likely it is to be approved for use in New Zealand,鈥� says Chris Bullen, director of NIHI. 

Bullen says the trial will provide valuable insights, enhance the knowledge base, and hopefully progress the regulatory process for cytisine to be approved as a smoking cessation medication in New Zealand and other countries around the world.

鈥淭he evidence to date suggests cytisine is an effective and acceptable tool for people to use to quit smoking, while other medicines have been less effective,鈥� he says.

鈥淛oining our study not only helps the individual concerned but contributes new knowledge to support people who smoke in future,鈥� says Walker.

If you, or someone you know, are interested in participating in the trial, visit the  or