The Potential of Kava in Enabling Tobacco Cessation - Its Holistic Effects in Managing Stress and Insomnia Associated With Abstinence

NCT ID: NCT05814055

Last Updated: 2026-01-27

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

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

76 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-06

Study Completion Date

2027-10-31

Brief Summary

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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.

Detailed Description

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Conditions

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Smoking

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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AB-free kava

Group Type EXPERIMENTAL

AB-free kava

Intervention Type DRUG

Participants on this arm will take one kava capsule (each capsule contains 75 mg of kavalactones) orally three times daily for 4 weeks.

Placebo control

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Participants on this arm will take one placebo capsule orally three times daily for 4 weeks.

Interventions

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Placebo

Participants on this arm will take one placebo capsule orally three times daily for 4 weeks.

Intervention Type DRUG

AB-free kava

Participants on this arm will take one kava capsule (each capsule contains 75 mg of kavalactones) orally three times daily for 4 weeks.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* adults aged 21 years or above (legal age for smoking in the U.S.) up to 75 years old;
* self-reported smoking at least 5 cigarettes/day for the past year with INTENTION to quit at time of screening visit;
* expired carbon monoxide level of more than 8 ppm at recruitment;
* willingness to participate in the proposed study, as indicated by signed informed consent;
* 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 per self report; 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

* history of active cancer (other than non-melanoma skin cancer) within the past 2 years;
* 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;
* 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 Modified Ask Suicide Screening Questions questions 1 through 3, or refuses to answer all of the questions. If subject answers 'Yes' to question 4 but the most recent suicide attempt took place \>12 months from screening visit then subject is still eligible.
Minimum Eligible Age

21 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Center for Complementary and Integrative Health (NCCIH)

NIH

Sponsor Role collaborator

National Institutes of Health (NIH)

NIH

Sponsor Role collaborator

University of Florida

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Ramzi Salloum, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Florida

Locations

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University of Florida

Gainesville, Florida, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Ramzi G Dr. Salloum

Role: CONTACT

352-294-4997

Chengguo Dr. Xing

Role: CONTACT

352-294-8511

Facility Contacts

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Melissa Malham

Role: primary

352-294-5892

References

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Xing C, Malaty J, Malham MB, Orlando FA, Lynch A, Huo Z, Francois M, Firpi-Morell R, Fisher CL, Christou DD, Salloum RG. The potential of AB-free kava in enabling tobacco cessation via management of abstinence-related stress and insomnia: study protocol for a randomized clinical trial. BMC Complement Med Ther. 2024 Dec 21;24(1):422. doi: 10.1186/s12906-024-04722-9.

Reference Type DERIVED
PMID: 39709468 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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Kava 2

Identifier Type: -

Identifier Source: org_study_id

OCR44061

Identifier Type: OTHER

Identifier Source: secondary_id

IRB202300887

Identifier Type: OTHER

Identifier Source: secondary_id

1R33AT012328-01

Identifier Type: NIH

Identifier Source: secondary_id

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