A study to investigate the delivery of nicotine in the bloodstream from three variants of tobacco-free oral pouches (modern oral products), for comparison to four commercial products and a conventional cigarette
- Conditions
- icotine uptakeNot Applicable
- Registration Number
- ISRCTN17828518
- Lead Sponsor
- British American Tobacco (United Kingdom)
- Brief Summary
2021 Results article in https://pubmed.ncbi.nlm.nih.gov/34923602/ (added 20/12/2021)
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 35
1. Provision of signed and dated informed consent form (ICF)
2. Stated willingness to comply with all study procedures and availability for the duration of the study
3. Healthy adult male or female
4. If female, meets one of the following criteria:
4.1. Is of childbearing potential and agrees to use two of the accepted contraceptive regimens from at least 28 days prior to the first study product administration through to at least 30 days after the last dose of study product. An acceptable method of contraception includes one of the following:
4.2. Systemic contraceptives (combined birth control pills, injectable/implant/insertable hormonal birth control products, transdermal patch)
4.3. Intrauterine device (with or without hormones)
4.4. Barrier methods of contraception (male condom with spermicide, female condom, cervical cap, diaphragm, contraceptive sponge)
4.5. Male partner vasectomised at least 6 months prior to the first study product administration
Or
4.6. Is of childbearing potential and agrees to abide by true abstinence from heterosexual intercourse, when this is in line with the preferred and usual lifestyle (not periodic abstinence)
Or
4.7. Male partner has had a vasectomy less than 6 months prior to dosing, and agrees to use an additional acceptable contraceptive method from the first study product administration through to at least 30 days after the last dose of study product
Or
4.8. Is of non-childbearing potential, defined as surgically sterile (i.e. has undergone complete hysterectomy, bilateral oophorectomy, or tubal ligation) or is in a postmenopausal state (i.e. at least 1 year without menses without an alternative medical condition prior to the first study product administration)
5. Aged at least 19 years but not older than 55 years
6. Body mass index (BMI) within 18.5 kg/m2 to 30.0 kg/m2, inclusively
7. Minimal body weight of 52 kg (males) or 45 kg (females)
8. Daily snus user and have used snus products for at least 6 months and who use snus products under their upper lip. Subjects who use pouched snus should regularly use pouch weights of 0.8 g and above, and at least 8 mg nicotine/pouch.
9. Subject must be able to use 3 or more 8 mg nicotine pouches in a 3 hour period without any discomfort
10. Smoker of 5 cigarettes or more on average per week and who has smoked for at least 1 year prior to the first study product administration
11. Stated willingness to abstain from nicotine and tobacco products (except for the study products provided) from 12 hours prior to each study product administration until the end of each PK sampling
12. Positive urine cotinine test (=50 ng/mL) at screening and prior to the first study product administration
13. Successful completion of the product familiarisation session for study product use prior to the first study product administration (subject is able to follow the instructions and does not experience AEs during the training session)
14. Clinical laboratory values within the laboratory's stated normal range; if not within this range, they must be without clinical significance, as determ
1. Female who is lactating at screening
2. Female who is pregnant according to the pregnancy test at screening or prior to the first study product administration
3. Self-reported non-inhalers of cigarettes (smokers who draw the smoke from the cigarette into the mouth and throat but who do not inhale)
4. Presence of braces, partials, dentures or any dental work that could, in the opinion of an investigator, affect the conduct of the study (including missing molars)
5. Presence or history of significant form of oral and/or pharyngeal inflammation, oral lesions and/or gum disease or temporomandibular joint dysfunction
6. History of significant hypersensitivity to any excipients of the formulations as well as severe hypersensitivity reactions (like angioedema) to any drugs
7. Presence or history of significant gastrointestinal, liver or kidney disease, or surgery that may affect drug bioavailability
8. History of significant cardiovascular, pulmonary, hematologic, neurological, psychiatric, endocrine, immunologic or dermatologic disease
9. Presence of clinically significant ECG abnormalities at the screening visit, as defined by medical judgment
10. Maintenance therapy with any drug (with the exception of hormonal contraceptives or hormone replacement therapy) or significant history of drug dependency or alcohol abuse (> 3 units of alcohol per day, intake of excessive alcohol, acute or chronic)
11. Any clinically significant illness in the 28 days prior to the first study product administration
12. Use of any prescription drugs (with the exception of hormonal contraceptives or hormone replacement therapy) in the 28 days prior to the first study product administration, that in the opinion of an investigator would put into question the status of the participant as healthy
13. Use of any medication or substance that aids in smoking cessation, including but not limited to any nicotine replacement therapy (e.g., nicotine gum, lozenge, patch), varenicline (Chantix®), bupropion (Wellbutrin®, Zyban®), or Lobelia extract in the 28 days prior to the first study product administration
14. Any history of tuberculosis
15. Positive test result for alcohol and/or drugs of abuse at screening or prior to the first product administration
16. Positive screening results to Hepatitis B surface antigen (HbsAG), hepatitis C antibody or HIV
17. Previous inclusion in this clinical study
18. Intake of an Investigational Product (IP) in any other clinical trial in the 28 days prior to the first study product administration
19. Subjects who have donated:
19.1. =400 mL of blood within 90 days prior to admission
19.2. Plasma in the 7 days prior to admission
19.3. Platelets in the 6 weeks prior to administration
20. Postponement of a decision to quit using tobacco- or nicotine-containing products in order to participate in this study
21. Previously attempted to quit using tobacco- or nicotine-containing products in the 28 days prior to the first study product administration.
22. Employees or immediate relatives of the tobacco industry or the clinical site.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <br> Plasma nicotine levels will be analysed for the following parameters using blood samples 5 minutes before the product use, and then at 3, 5, 7, 10, 20, 45, 60, 65, 75, 120, 240 and 360 minutes following the start of administration:<br> 1. Cmax<br> 2. Tmax<br> 3. AUC0-360<br>
- Secondary Outcome Measures
Name Time Method <br> 1. Product liking assessment, assessed using the Subjective Product Liking Questionnaire (PLQ) following product use<br> 2. Intent to use product again, assessed using the Overall Intent to Use Again (OIUA) questionnaire following product use<br> 3. Mouth Levels Exposure (MLE), assessed by measuring nicotine levels in cigarette filters after use and in pouches after use in PK session for comparison to unused products<br>