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This is a single-center, randomized, controlled, open-label, cross-over study in healthy smoking subjects to investigate the nicotine pharmacokinetic (PK) profiles of 4 variants of Nicotine pouch 1.0 compared to marketed Velo - Nicotine Pouch (NP) and Zyn-NP. In addition, pharmacodynamic (PD) effects will be evaluated to provide further insights on Nicotine pouch 1.0 product acceptance and abuse liability. The study will be conducted with 3 periods and 6 sequences in a Williams design (cross-over).
Full description
Study Title:
Nicotine Pharmacokinetics and Subjective Effects of Nicotine Pouch 1.0 Compared to Velo® Ice Cool and Zyn® Cool Mint Mini Dry in Healthy Smokers
Who carried out the research? This research was sponsored and funded by Philip Morris Products S.A.
What public involvement there was in the study? The study recruited 31 healthy adults who were currently smoking.
Where and when the study took place The study was conducted at a clinical trial facility managed by a contract research organization in Belfast, Northern Ireland, from March 15th to August 18th 2022.
Why was the research needed? The research was needed to understand the pharmacokinetic profiles of four variants of a nicotine pouch.
What were the main questions studied? The study measured the nicotine absorption of the four variants of nicotine pouch (NP-1; NP-2; NP-3; NP-4) together with two nicotine pouches marketed by other companies (Zyn-NP and Velo-NP). Participants were also asked to evaluate their experience of using the nicotine pouches.
Who participated in the study? The study recruited 31 healthy, male or female, adults aged between 21 and 65 years who were currently smoking. The subjects did not plan to quit using tobacco and/or nicotine products within the next 3 months and had smoked continuously for at least the last 3 years prior to joining the study..
Each subject was given full and adequate oral and written information about the nature, purpose, possible risks and benefits of the study. Once each subject had received all the necessary information, and if he/she agreed to participate, this was documented in an Informed Consent Form with the date, time and signature of both the subject and the Investigator.
Subjects were informed that they were free to withdraw from the study at any time.
What treatments or interventions did the participants take/receive? The participants were requested to use a tobacco-free nicotine pouch for a period of 30 minutes. Blood samples were taken before, during, and after the product use period.
Participants were also asked to evaluate their experience of using the nicotine pouches, using the Product Evaluation Scale (PES).
The PES is composed of seven items which address the degree to which subjects experience seven different effects (Product Satisfaction, Psychological Rewards, Aversion, Craving Relief, Easy to Use, Comfortable Using, Concerned about Dependence) as a result of using the investigational products, rated on a 7 point scale from 1 = "not at all" to 7 = "extremely."
What happened during the study? The study was conducted with six periods and six sequences in a cross-over design. On Day -1, subjects were randomized to one of the six study sequences.
After enrollment, subjects performed a product test with Nicotine Pouch 1.0 (NP-1) for 30 minutes (± 1 minute). One NP-1 nicotine pouch was placed between the upper lip and the gum for 30 minutes and subjects were instructed not to manipulate the pouch with the tongue or lips.
After the product test, subjects were required to abstain from any nicotine/tobacco-containing product use until the first product use on Day 1.
On Day 1 to Day 3, after at least 8 hours of abstinence from any nicotine/tobacco-containing products (nicotine wash-out), subjects used one variant of NP 1.0, Velo-NP, or Zyn-NP according to the randomized product use sequence for 30 minutes (± 1 minute). The used NP were collected for long-term storage to determine the residual nicotine after product use to estimate the amount of nicotine delivered during the 30-minute use period.
Subjects completed questionnaires about product evaluation, craving, and liking assessments.
In the morning on Day 1, 12 blood samples were collected for determination of nicotine concentration. Additional blood samples were taken for determination of the nicotine concentration on Day 2 and Day 3.
After Discharge at Day 3, the subjects entered a 3-day Safety Follow-Up period during which adverse reactions associated with product use reported by the subjects were collected and the follow-up of any ongoing adverse reactions was conducted by the study investigational site.
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31 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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