E-cigarette as effective as patch, study finds

A salesperson demonstrates the use of an electronic cigarette and its smokelike vapor. (Associated Press)

Little research done on popular product

 LONDON – Electronic cigarettes worked just as well as nicotine patches to help smokers quit, according to the first study to compare them.

E-cigarettes are battery-operated products that look like real cigarettes and turn nicotine into a vapor inhaled by the user. Since the devices hit the market nearly a decade ago, sales have spiked so quickly some analysts predict they will outsell traditional cigarettes within a decade. E-cigarettes are often marketed as a less harmful alternative to traditional smokes and come in flavors including cinnamon, vanilla and cherry.

“This research provides an important benchmark for e-cigarettes,” said Chris Bullen, director of the National Institute for Health Innovation at the University of Auckland in New Zealand, the study’s lead author. Until now, there has been little information about the effectiveness or safety of e-cigarettes. “We have now shown they are about as effective as a standard nicotine replacement product.”

For the study, Bullen and colleagues recruited 657 adult smokers in Auckland who wanted to quit. Nearly 300 got nicotine-containing e-cigarettes while roughly the same number got nicotine patches. Just over 70 people got placebo e-cigarettes without any nicotine. Each group used the e-cigarettes or patches for 13 weeks.

After six months, similar rates of smokers – 6 to 7 percent – managed to quit after using either the nicotine-containing e-cigarettes or patches. Only 4 percent of smokers using the placebo e-cigarettes successfully quit.

Among smokers who hadn’t managed to quit, nearly 60 percent of those using e-cigarettes had cut down the number of cigarettes smoked by at least half versus 41 percent of those using nicotine patches. Smokers were also much bigger fans of the e-cigarettes; nearly 90 percent of users said they would recommend them to a friend compared to just over half of people who got patches.

Researchers also found similar rates of side effects in smokers who used the e-cigarettes and the patches. The most common side effect in all groups was breathing problems.

The study was published online today in the journal Lancet and presented at a meeting of the European Respiratory Society in Barcelona, Spain.

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