Understanding Tobacco and Cannabis Co-Use Practices: Initiation, Escalation, and Maintenance

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT07439471

Enrollment

Registered

2026-02-27

Start date

2026-09-28

Completion date

2027-03-01

Last updated

2026-08-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cigarette Smoking-Related Carcinoma

Brief summary

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

OTHERNon-Interventional Study

Non-interventional study

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

18 Years to 30 Years

Healthy volunteers

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.

Design outcomes

Primary

Measure	Time frame	Description
thematic analysis of individual narratives on nicotine and cannabis	Reported at baseline	Structured interview sessions

Secondary

Measure	Time frame	Description
Insight into the Social contexts of use and co-use of nictotine and cannabis	reported at baseline	Structured interview session on escalation of use
Insight into Current practices of tobacco/cannabis use	reported at baseline	Structured interview session on maintenance of use
Insights into factors that contribute to the co-use of nicotine/tobacco and cannabis products	reported at baseline	Structured interview sessions on history of use

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORConnor Martin

Roswell Park Cancer Institute

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 18, 2026