Cannabis and tobacco co-use in young adults during quit attempts
Official title: The impact of cannabis and tobacco/nicotine product co-use in young adults: Prospective cessation evaluation and substitution
Funded at Medical University of South Carolina · NIH-11391210 · Data updated 2026-11-12
Young adults who use both cannabis and nicotine may have a harder time quitting either one, and this study aims to understand how cannabis affects nicotine cessation.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Medical University of South Carolina NIH-funded |
| Lab location | 1 site (Charleston, United States) |
| Project start | September 1, 2023 |
| Project end | August 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $606,794 |
| NIH project number | 5R01CA276066-04 |
| Project ID | NIH-11391210 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates are young adults (around 18–25) attempting to quit nicotine who also use cannabis.
✕Less likely to help
Individuals not seeking nicotine cessation or who do not use cannabis may not benefit from this research.
What this research studies
This project follows young adults who are trying to quit nicotine to see how cannabis use influences their quit success and overall treatment outcomes. Researchers will collect behavioral and biochemical data to map how co-use patterns relate to quitting difficulty. Using a behavioral economics framework, the study will explore how cannabis affects decision-making and motivation during cessation efforts.
Why it matters
Potential benefit: If successful, findings could guide personalized strategies to help young adults quit nicotine while considering cannabis use.
How similar studies have gone: Some prior studies suggest cannabis can complicate nicotine cessation, but there are few prospective analyses in youth.
Where this research is happening
-
Medical University of South Carolina
Charleston, United States Active
Researchers
- Principal investigator: Mcclure, Erin a — Medical University of South Carolina
- Study coordinator: Mcclure, Erin a
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.