Comparison of cotinine levels in pregnant women while smoking and when using nicotine replacement therapy.

What Was Tested

The paper reports a study of Therapeutic nicotine (patch, non-peptide), published as a randomized controlled trial.

There is mixed evidence as to what levels of cotinine are reached from nicotine exposure during pregnancy while using NRT compared with smoking.

Who Took Part

The abstract describes 33 participants taking part.

By PubMed's age tags, the people studied were young adults and adults, women only.

How the Study Was Run

The design is described as randomized.

Because people in this Therapeutic nicotine (patch, non-peptide) study were split into groups at random, differences between the groups are less likely to reflect who happened to join each one.

Salivary cotinine levels when smoking at baseline were compared with levels on NRT at 1 month using the Wilcoxon test.

What Was Measured

There is mixed evidence as to what levels of cotinine are reached from nicotine exposure during pregnancy while using NRT compared with smoking.

Topics PubMed links to this paper include Administration, Cutaneous, Cotinine, Nicotine, Saliva, Smoking, Smoking Cessation and Substance Withdrawal Syndrome.

What This Means in Plain Language

The paper is a randomized study of Therapeutic nicotine (patch, non-peptide) in 33 participants.

With fewer than 40 people, it is a small study, so it is better read as an early signal for further research than as a settled answer.

The abstract goes on to report its results in about 5 sentences; this page does not restate them, so read the paper for the findings and their limits.

The publication is from 2014 (Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco), a journal based in England.

More context: the Therapeutic nicotine (patch, non-peptide) compound page, all human trials.