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

Recruiting now

Conditions studied: Cigarette Smoking-Related Carcinoma

In brief

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

Key facts

Study ID

NCT07439471

Run by

Roswell Park Cancer Institute

People needed

40

Starts

2026-06-28

Expected to finish

2027-03-01

Last updated by the study team

2026-05-22

Who can join

Age: 18 and older, up to 30. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• * 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.

You may not qualify if…

• * 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.

Where it is running

• Roswell Park Cancer Institute — Buffalo, New York, United States (enrolling)

Full record on ClinicalTrials.gov

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