- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05814055
The Potential of Kava in Enabling Tobacco Cessation - Its Holistic Effects in Managing Stress and Insomnia Associated With Abstinence
November 16, 2023 updated by: University of Florida
This study will evaluate the compliance with a daily kava regimen among active smokers who have an intention to quit smoking.
This study will also investigate whether kava use can facilitate tobacco cessation, reduce stress, and improve sleep.
Study Overview
Status
Not yet recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
75
Phase
- Phase 2
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- adults aged 21 years or above (legal age for smoking in the U.S.);
- self-reported smoking at least 10 cigarette/day for the past year with INTENTION to quit;
- expired carbon monoxide level of more than 8 ppm at recruitment;
- willingness to participate in the proposed study;
- access to a functional telephone;
- expected presence in the study's geographical area for the next 4 months;
- not currently enrolled in any smoking cessation programs; and
- female subjects of childbearing potential will be required to practice acceptable methods of birth control (the acceptable methods of birth control include birth control pills, Birth Control Shot, Birth Control Implant, IUD, Diaphragm, and cervical cap).
Exclusion Criteria:
- diagnosed with cancer (other than non-melanoma skin cancer);
- diagnosed with liver dysfunction or with previous liver diseases;
- levels of alanine transaminase, aspartate transaminase, alkaline phosphatase or total bilirubin over limit of normal (ULN) range at prescreen;
- inability to refrain from acetaminophen, alcohol (no more than one drink daily via self-report), or other potentially hepatotoxic substances;
- use any other non-cigarette nicotine containing products such as smokeless tobacco, cigar or e-cigarettes; or
- are pregnant or nursing (lactating) or of childbearing age planning to become pregnant or unwilling to use adequate contraception during the study;
- participant answered "Yes" to any of the ASQ questions 1 through 4, or refuses to answer.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo control
|
Participants on this arm will take one placebo capsule orally three times daily for 4 weeks.
|
Experimental: Full dose kava intervention
|
Participants on this arm will take one kava capsule (each capsule contains 37.5 mg of kavalactones) orally three times daily for 4 weeks.
Participants on this arm will take one kava capsule (each capsule contains 75 mg of kavalactones) orally three times daily for 4 weeks.
|
Experimental: Half dose kava intervention
|
Participants on this arm will take one kava capsule (each capsule contains 37.5 mg of kavalactones) orally three times daily for 4 weeks.
Participants on this arm will take one kava capsule (each capsule contains 75 mg of kavalactones) orally three times daily for 4 weeks.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Subject Compliance with Intervention
Time Frame: 4 weeks
|
Evaluate subject compliance with the kava intervention, as measured by participant reported number of missed doses
|
4 weeks
|
Subject Compliance with Intervention
Time Frame: 4 weeks
|
Evaluate subject compliance with the kava intervention, as measured by detection of dihydromethysticin in participant urine by urine testing
|
4 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Tobacco cessation
Time Frame: 12 weeks
|
Examine whether kava has the potential to help facilitate tobacco cessation, as measured by participant reported number of cigarettes smoked
|
12 weeks
|
Tobacco cessation
Time Frame: 12 weeks
|
Examine whether kava has the potential to help facilitate tobacco cessation, as measured by the Fagerström Test for Nicotine Dependence (FTND)
|
12 weeks
|
Tobacco cessation
Time Frame: 12 weeks
|
Examine whether kava has the potential to help facilitate tobacco cessation, as measured by the Modified Cigarette Evaluation Questionnaire (mCEQ)
|
12 weeks
|
Tobacco cessation
Time Frame: 12 weeks
|
Examine whether kava has the potential to help facilitate tobacco cessation, as measured by the Brief Questionnaire on Smoking Urges (QSU-Brief)
|
12 weeks
|
Tobacco cessation
Time Frame: 12 weeks
|
Examine whether kava has the potential to help facilitate tobacco cessation, as measured by urinary total nicotine equivalents
|
12 weeks
|
Effect on stress
Time Frame: 12 weeks
|
Examine whether kava has the potential to reduce stress, as measured by plasma PRKACA
|
12 weeks
|
Effect on stress
Time Frame: 12 weeks
|
Examine whether kava has the potential to reduce stress, as measured by plasma cortisol
|
12 weeks
|
Effect on stress
Time Frame: 12 weeks
|
Examine whether kava has the potential to reduce stress, as measured by urinary TCE
|
12 weeks
|
Effect on stress
Time Frame: 12 weeks
|
Examine whether kava has the potential to reduce stress, as measured by total cortisol equivalents
|
12 weeks
|
Effect on sleep
Time Frame: 12 weeks
|
Examine whether kava has the potential to improve sleep, as measured by the Pittsburgh Sleep Quality Index (PSQI)
|
12 weeks
|
Effect on sleep
Time Frame: 12 weeks
|
Examine whether kava has the potential to improve sleep, as measured by urinary 6-hydroxymelatonin
|
12 weeks
|
Effect on sleep
Time Frame: 12 weeks
|
Examine whether kava has the potential to improve sleep, as measured by urinary N-acetyl serotonin
|
12 weeks
|
Effect on sleep
Time Frame: 12 weeks
|
Examine whether kava has the potential to improve sleep, as measured by urinary NAS
|
12 weeks
|
Effect on stress
Time Frame: 12 weeks
|
Examine whether kava has the potential to reduce stress, as measured by the Perceived Stress Scale (PSS).
The Perceived Stress Scale consists of 10 items that are each scored on a scale of 0-4.
The maximum possible score for this instrument is 40 and the minimum score is 0. A higher score indicates greater perceived stress.
|
12 weeks
|
Effect on sleep
Time Frame: 12 weeks
|
Examine whether kava has the potential to improve sleep, as measured by the Insomnia Severity Scale.
The Insomnia Severity Scale instrument consists of 7 items that are each scored on a scale of 0-4.
The maximum possible score for this instrument is 28 and the minimum score is 0. A higher score indicates more severe insomnia.
|
12 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Ramzi Salloum, PhD, University of Florida
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Estimated)
February 1, 2024
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
June 1, 2026
Study Registration Dates
First Submitted
April 3, 2023
First Submitted That Met QC Criteria
April 3, 2023
First Posted (Actual)
April 14, 2023
Study Record Updates
Last Update Posted (Estimated)
November 17, 2023
Last Update Submitted That Met QC Criteria
November 16, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Kava 2
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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