- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04089982
Varenicline Light Smoking Pilot
May 7, 2021 updated by: Duke University
Pilot Study on Varenicline in Light and Intermittent Smokers
The goal of this study is to assess varenicline vs. placebo for its effect on decreasing cue reactivity in light and intermittent smokers.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
The study will consist of randomization to receive either varenicline or placebo over 6 weeks and include 5 study visits.
Participants are offered an optional additional 6 weeks of active varenicline.
Cue reactivity will be assessed in both a lab-based setting (viewing series of images and rating cravings) and in a real-world setting (text-based daily interaction).
Study Type
Interventional
Enrollment (Actual)
11
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
North Carolina
-
Durham, North Carolina, United States, 27705
- Duke University
-
-
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
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Age 18 years or above
- Daily smoker using 10 or less cigarettes per day but a minimum of at least 1 cigarettes per week or 4 cigs/month.
- Must be able to make it through a 24-hour period without nicotine withdrawal symptoms (specifically does not have new onset of irritability, headaches, insomnia, or intense cravings).
- Willing to quit smoking in the next 30 days
- Is able to provide written informed consent (in English) to participate in the study and is able to read/understand the procedures and study requirements.
- Is willing to voluntarily sign and date an informed consent form that is approved by an institutional review board before the conduct of any study procedure.
- If female and of childbearing potential, is willing to use medically acceptable contraceptive measures for the duration of the study. Acceptable methods of contraception include (1) surgical sterilization (such as tubal ligation or hysterectomy, (2) approved hormonal contraceptives (such as birth control pills, patches, implants or injections), (3) barrier methods (such as condom or diaphragm) used with a spermicide, or (4) an intrauterine device (IUD). Contraceptive measures such as rhythm method or Plan B™, sold for emergency use after unprotected sex, are not acceptable methods for routine use.
- Have access to a cell phone that can send and receive SMS text messages.
Exclusion Criteria:
- Use of a smoking cessation medication (e.g. nicotine replacement, varenicline, bupropion) in last 30 days.
- Current use of tobacco product other than cigarettes (e.g. e-cigarettes, smokeless tobacco) in the last 30 days
- Answer > 0 on suicidality question of Patient Health Questionnaire (PHQ-9) Depression Scale
- Active alcohol use disorder or hazardous drinking. This will be screened with the AUDIT-C, and positive scores (4 or greater for men and 3 or greater for women)54,55 will result in study clinician assessment and discretion.
- Use of illicit drugs in the last month (marijuana, cocaine, opiates, benzodiazepines, and/or methamphetamine)
- Severe symptomatic depression and or anxiety (study medical provider discretion)
- Diagnosis of bipolar disorder, schizophrenia, PTSD and or adult ADHD (study medical provider discretion)
- Chronic medical illness including diabetes with the use of insulin, Hemoglobin A1c > 7 (study medical provider discretion), heart disease diagnosed by angiogram, or COPD diagnosed by pulmonary function testing and requiring an oxygen supply
- Specific medications (Appendix 1)
- Abnormal finding on physical exam (study medical provider discretion)
- Positive Urine Pregnancy Test (women of child bearing potential only; QuickVue Urine Pregnancy)56
- Positive Urine Toxicology-5 Screen (methamphetamine, cocaine, opiates, benzodiazepines, THC)
- Unstable hypertension (Blood pressure > 160/100)
- Renal failure with active or pending hemodialysis
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: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
|
Placebo
|
Active Comparator: Varenicline
Varenicline BID
|
Chantix
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Self-Reported Craving Level Via Lab-Based Cue Reactivity
Time Frame: Baseline, Visit 4 (week 6)
|
Participants were asked to self-report craving level to smoke on a scale of 1-10 with 1 corresponding to no craving and 10 corresponding to intense craving.
Self-reported craving level was requested following presentation of multiple images on a screen over a 20 minute period.
Four types of images were presented - neutral affect, negative affect, smoking and social images.
|
Baseline, Visit 4 (week 6)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Self-Reported Craving Level Via Real-World Cue Reactivity
Time Frame: Baseline, Visit 4 (week 6)
|
Craving level in "real world" situations was assessed through electronic momentary assessment (EMA).
Participants were instructed to send a text to the study team each time they experienced craving to smoke a cigarette.
Self-report craving level to smoke was reported on a scale of 1-10 with 1 corresponding to no craving and 10 corresponding to intense craving.
|
Baseline, Visit 4 (week 6)
|
Changes in Smoking
Time Frame: Screening visit, Visit 4 (week 6)
|
7-day point prevalence smoking abstinence.
This will be measured through self-reported daily smoking diaries and daily text messaging.
|
Screening visit, Visit 4 (week 6)
|
Medication Adherence
Time Frame: Screening visit, Visit 4 (week 6)
|
Medication adherence is measured by composite self-reported diaries and daily text messaging responses.
|
Screening visit, Visit 4 (week 6)
|
Medication Tolerance by Self-Reported Side Effects
Time Frame: Up to 12 weeks
|
Self-reported side effects (open ended survey questions) with a ranking scale of 1-2 (mild), 3-5 (moderate), and 6-7 (severe).
Any side effect 3 or greater will be reviewed by a study medical provider.
|
Up to 12 weeks
|
Changes in Smoking Abstinence
Time Frame: Screening visit, Visit 4 (week 6)
|
7-day point prevalence smoking abstinence confirmed by CO <7ppm.
This will be measured through biochemical confirmation (CO breath test).
|
Screening visit, Visit 4 (week 6)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: James Davis, MD, Duke University
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 (Actual)
November 4, 2019
Primary Completion (Actual)
March 1, 2020
Study Completion (Actual)
March 1, 2020
Study Registration Dates
First Submitted
September 12, 2019
First Submitted That Met QC Criteria
September 12, 2019
First Posted (Actual)
September 16, 2019
Study Record Updates
Last Update Posted (Actual)
May 11, 2021
Last Update Submitted That Met QC Criteria
May 7, 2021
Last Verified
May 1, 2021
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00103506
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
IPD Plan Description
No individual participant data will be shared.
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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