Smoking Cessation and Menstrual Cycle Phase (MC-NRT)
Nicotine Dependence, Tobacco Smoking, Smoking Cessation
About this trial
This is an interventional treatment trial for Nicotine Dependence focused on measuring Menstrual Cycle, Ovarian Hormones, Smoking Cessation Treatment, Nicotine Replacement Therapy, Cancer Prevention, Randomized Controlled Trial, Estrogen, Progesterone
Eligibility Criteria
Inclusion Criteria:
- Must provide informed consent following the CAMH REDCap e-consent framework and procedures;
- Stated willingness to comply with all study procedures;
- Naturally cycling individuals with regular MCs (defined as length ranging 21 to 35 days over past 6 months);
- Daily smoker of ≥5 cigarettes per day (CPD) over past 6 months;
- Intention to quit smoking within the next 30 days and willing to make a quit attempt on their assigned TQD;
- Interested in using, and able to use, nicotine patches and gum or lozenge as a smoking cessation aid;
- Willing to provide a valid e-mail address to be used for study communications and to complete online questionnaires.
Exclusion Criteria:
- Current use of progesterone, estrogen, testosterone, or fertility treatment;
- Current use of nicotine replacement therapy or other smoking cessation medications (e.g., varenicline, bupropion);
- Use of hormonal contraceptives in the past 6 months (e.g., pill, patch, hormonal intrauterine device [IUD], ring);
- Pregnancy, or trying to become pregnant in the next 2-3 months;
- Known hypersensitivity or allergies to any of the components of the nicotine patch;
- Daily or almost daily use of cannabis in the past 6 months;
- Daily or almost daily use of tobacco or nicotine products other than cigarettes (e.g., smokeless tobacco, heat-not-burn products, e-cigarettes) in the past 6 months;
- Polycystic ovary syndrome diagnosis;
- Unstable psychiatric condition (including substance use disorder) which would compromise study compliance;
- Life threatening arrhythmias or severe/worsening angina pectoris;
- Myocardial infarction or cerebral vascular accident in the past 2 weeks; or
- Diagnosed with a terminal illness.
Sites / Locations
- Centre for Addiction and Mental Health, Nicotine Dependence ClinicRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Active Comparator
Mid-Follicular Phase Target Quit Date
Mid-Luteal Phase Target Quit Date
Randomly Selected Target Quit Date (Usual Care)
Participants will start their quit attempts during the mid-follicular phase of their MC (6-8 days post-onset of menses). Each participant will be provided with a range of appropriate dates based on the information about their menstrual cycle, and they will select a target quit date from the range. Participants will be receiving NRT and will have access to behavioral support for the following 6 weeks.
Participants will start their quit attempts during the mid-luteal phase of their MC (6-8 days pre-onset of menses). Each participant will be provided with a range of appropriate dates based on the information about their menstrual cycle, and they will select a target quit date from the range. Participants will be receiving NRT and will have access to behavioral support for the following 6 weeks.
Participants will start their quit attempts within 30 days of their enrollment into the study. They will select their target quit dates without regard for their MC. Participants will be receiving NRT and will have access to behavioral support for the following 6 weeks.