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NCT Number: NCT07439471

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

This study evaluates histories among cannabis and tobacco co-users of their initiation, escalation, and maintenance of the co-use behavior.

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Key information

Conditions

Cigarette Smoking-Related Carcinoma

Age range

18 year–30 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Roswell Park Cancer Institute

Buffalo, New York, 14263, United States

Location status: Recruiting

Location contact

Connor Martin

CONTACT

[email protected]

716-845-3295

Connor Martin

PRINCIPAL_INVESTIGATOR

About this study

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Non-Interventional Study

Other

Non-interventional study

Other names: Non-Interventional Observational Study, Noninterventional (Observational) Study

Primary outcomes

  1. thematic analysis of individual narratives on nicotine and cannabis

    Time frame: Reported at baseline

    Structured interview sessions

Secondary outcomes

  1. Insight into the Social contexts of use and co-use of nictotine and cannabis

    Time frame: reported at baseline

    Structured interview session on escalation of use

  2. Insight into Current practices of tobacco/cannabis use

    Time frame: reported at baseline

    Structured interview session on maintenance of use

  3. Insights into factors that contribute to the co-use of nicotine/tobacco and cannabis products

    Time frame: reported at baseline

    Structured interview sessions on history of use

Sponsors and collaborators

Lead sponsor

Roswell Park Cancer Institute

Other

Registry information

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Feb 27, 2026
Registry last updated
May 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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