Understanding Tobacco and Cannabis Co-Use Practices: Initiation, Escalation, and Maintenance
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Non-Interventional Study.
- Who it may be relevant to
- Registry conditions: Cigarette Smoking-Related Carcinoma. Basic parameters: 18 years — 30 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- United States
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Overview
This study evaluates histories among cannabis and tobacco co-users of their initiation, escalation, and maintenance of the co-use behavior.
Detailed description
PRIMARY OBJECTIVE:
I. To generate detailed thematic analysis of structured interviews to provide insights into individual historical factors, social contextual factors, and product-level factors that contribute to the co-use of nicotine/tobacco and cannabis products.
OUTLINE: This is an observational study.
Participants complete an interview and survey on study.
Interventions
- Other Non-Interventional Study
Non-interventional study
Primary outcome measures
- thematic analysis of individual narratives on nicotine and cannabis [Time frame: Reported at baseline]
Secondary outcome measures (3)
- Insight into the Social contexts of use and co-use of nictotine and cannabis [Time frame: reported at baseline]
- Insight into Current practices of tobacco/cannabis use [Time frame: reported at baseline]
- Insights into factors that contribute to the co-use of nicotine/tobacco and cannabis products [Time frame: reported at baseline]
Eligibility criteria
Inclusion criteria
- \* Adults aged 18 to 30 years old.
- Currently living in the Roswell Park catchment area.
- Able to speak, read, and write in English.
- Currently consuming cannabis at least weekly.
- Group 1: currently using cigarettes daily and not using nicotine vaping products more than one day per week.
- Group 2: currently using nicotine vaping products daily and not using cigarettes more than one day per week.
Exclusion criteria
- \* Unwilling or unable to follow protocol requirements.
- Individuals under the age of 18 or over 30.
- Individuals not meeting product consumption criteria for inclusion items 3 and 4.
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Observational model
- Case-only
Study locations
United States · 1 center
- Roswell Park Cancer Institute — Buffalo
Identifiers
NCT: NCT07439471 · I-4794825 · NCI-2026-00804 · I-4794825