Acute Pharmacokinetic and Pharmacodynamic Effects of "Tobacco-Free" Oral Nicotine Pouches in Smokers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

71 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-07-27

Study Completion Date

2025-08-29

Brief Summary

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The purpose of the present study is to examine the pharmacokinetics and pharmacodynamics of "tobacco-free" oral nicotine pouches, at various doses and flavors, in healthy adult smokers. The study will utilize a within-subjects, double-blind design. Upon enrollment, participants will complete 7 dosing conditions: tobacco-flavored pouch (low or high nicotine dose), mint/menthol-flavored pouch (low or high nicotine dose), and fruit-flavored pouch (low or high nicotine dose); participants will also complete a condition where the participants will smoke participants' preferred brand of cigarettes. In each experimental session, participants will complete 2 product-use bouts. In bout 1, the participants will use a single product (pouch or cigarette) for a fixed period under controlled conditions. In bout 2, participants will be given 2 hours to use participants' assigned product ad libitum.

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Detailed Description

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The purpose of the present study is to examine the pharmacokinetics and pharmacodynamics of "tobacco-free" oral nicotine pouches, at various doses and flavors, in healthy adult smokers. The study will utilize a within-subjects, double-blind design. Upon enrollment, participants will complete 7 dosing conditions: tobacco-flavored pouch (low or high nicotine dose), mint/menthol-flavored pouch (low or high nicotine dose), and fruit-flavored pouch (low or high nicotine dose); participants will also complete a condition where the participants will smoke participants' preferred brand of cigarettes. In each experimental session, participants will complete 2 product-use bouts. In bout 1, the participants will use a single product (pouch or cigarette) for a fixed period under controlled conditions. In bout 2, participants will be given 2 hours to use participants' assigned product ad libitum. Blood specimens will be obtained throughout the sessions to characterize the pharmacokinetics of nicotine and various pharmacodynamic outcomes (subjective drug effects, tobacco withdrawal symptoms, vital signs) will also be assessed. These procedures will be completed 7 separate times (on separate visits) by each participant (sessions will be separated by at least 48 hours).

Conditions

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Nicotine Withdrawal Nicotine Addiction Drug Effect

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

All participants will complete all dose conditions (study arms) in a randomized order

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Caregivers

Double-blinded

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Nicotine

Nicotine pouches will be self-administered

Intervention Type OTHER

Cigarette

Cigarette will be smoked

Intervention Type OTHER

Other Intervention Names

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Tobacco Nicotine Tobacco

Eligibility Criteria

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Inclusion Criteria

1. ≥ 21 years old
2. good general health based on screening procedures (e.g., physical exam, blood testing)
3. vital signs in normal range (resting heart rate less than 100bpm, systolic blood pressure less than 150mmHg, diastolic blood pressure less than 90mmHg)
4. negative urine test for illicit drug use (excluding THC) and negative breath alcohol test at screening and before each session
5. self-report currently smoking daily
6. self-report at least a one year history of regular smoking
7. exhaled breath CO greater than or equal to 10ppm and urine cotinine greater than 100 ng/ml at screening
8. meet criteria for at least mild tobacco use disorder
9. no self-reported regular use of other tobacco products (e.g., smokeless products, e-cigarettes) in the past 30 days
10. no self-reported prior use of novel oral nicotine pouches
11. exhaled breath CO less than 10 ppm upon arrival for each study session.

Exclusion Criteria

1. Psychoactive drug use (aside from cannabis, nicotine, alcohol, or caffeine) in past month
2. Current use of over-the-counter (OTC) drugs, supplements/vitamins, or prescription medications that, in the opinion of the investigators or medical staff, will impact safety
3. Use of cannabis \>4 times per week
4. History of or current significant medical condition that, in the opinion of the investigators or medical staff, will impact safety
5. Current psychiatric condition or substance use disorder (aside from tobacco use disorder) that, in the opinion of the investigators or medical staff, will impact safety or study outcomes
6. Women who are pregnant, planning to become pregnant, or are breast-feeding
7. Currently seeking treatment to quit smoking or currently using a nicotine/tobacco cessation product.
8. Enrollment in another clinical trial in the past 30 days

Minimum Eligible Age

21 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes