Cue Reactivity for Marijuana and Tobacco Use

(MATEY Trial)

EA
Overseen ByElizabeth Aston, PhD
Age: 18 - 65
Sex: Any
Trial Phase: Academic
Sponsor: Brown University
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial seeks to understand how young adults who smoke both marijuana and tobacco respond to various cues, such as everyday items or smoking-related objects. It aims to examine how price and availability influence smoking habits. Participants will encounter these cues and answer questions about their feelings. Ideal candidates are young adults who have smoked both marijuana and tobacco regularly for at least the past six months. As an unphased trial, this study offers participants a unique opportunity to contribute to important research on smoking behaviors and influences.

Do I have to stop taking my current medications for this trial?

The trial information does not specify whether you need to stop taking your current medications. It mainly focuses on your use of marijuana and tobacco.

What prior data suggests that this protocol is safe?

Research shows that exposure to marijuana- or tobacco-related cues, known as cue reactivity, is generally well-tolerated. Studies indicate that people often experience increased cravings and sometimes slight anxiety when exposed to these cues. For instance, one study found that seeing marijuana-related items increased cravings, anxiety, and blood pressure, with cravings lasting up to 150 minutes after exposure.

These reactions are common and typically short-lived, representing a normal response to reminders of substances like marijuana or tobacco. Studies have not reported any long-term or harmful effects from these sessions. Participants usually rate their cravings on a simple scale, aiding researchers in understanding reactions in a controlled setting.

Overall, while increased cravings or slight anxiety might occur during the study, the treatment is considered safe based on available research.12345

Why are researchers excited about this trial?

Researchers are excited about the Cue Reactivity approach for marijuana and tobacco use because it offers a unique method to explore how environmental triggers influence cravings and usage behaviors. Unlike typical treatments that often rely on medications or behavioral therapy to curb use, this approach uses exposure to specific cues, like everyday items and cannabis-related objects, to understand the psychological and physiological responses. By gaining insights into these reactions, researchers hope to develop more targeted interventions that can effectively manage and reduce substance use by addressing the underlying triggers.

What evidence suggests that cue reactivity is effective for understanding marijuana and tobacco use patterns?

Research has shown that exposure to reminders of cannabis or tobacco can alter reactions to these substances. In this trial, participants will first encounter neutral cues, followed by cannabis or tobacco cues, while answering questions about their subjective state. One study found that smokers reacted more strongly to cannabis-related cues than non-smokers. This suggests that seeing or thinking about smoking can heighten cravings or reactions in individuals who use both cannabis and tobacco. Another study found that using both substances together could affect memory. Overall, these findings suggest that understanding responses to these reminders might help manage cravings for cannabis and tobacco.12678

Are You a Good Fit for This Trial?

This study is for young adults aged 18-25 who regularly use both marijuana and tobacco. Participants should smoke tobacco at least once a week and marijuana four times a month, having done so for the past six months. They must buy their own supplies and be proficient in English.

Inclusion Criteria

I have bought tobacco and marijuana for myself in the last 6 months.
I am between 18 and 25 years old.
I have been smoking cigarettes at least once a week for the past six months.
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Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

1 week
1 visit (in-person)

Experimental Sessions

Participants complete 4 in-person sessions including cross-cue reactivity sessions, self-report measures, and a qualitative exit interview

4 weeks
4 visits (in-person)

Follow-up

Participants are monitored for changes in self-reported cannabis and tobacco craving

40 days

What Are the Treatments Tested in This Trial?

Interventions

  • Cue Reactivity

Trial Overview

The trial examines how price changes and availability of marijuana and tobacco affect usage patterns among dual users. It involves multiple sessions where participants' responses to these variables are measured using behavioral economic tasks.

How Is the Trial Designed?

1

Treatment groups

Experimental Treatment

Group I: Cue ReactivityExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Brown University

Lead Sponsor

Trials
480
Recruited
724,000+

National Institutes of Health (NIH)

Collaborator

Trials
2,896
Recruited
8,053,000+

National Cancer Institute (NCI)

Collaborator

Trials
14,080
Recruited
41,180,000+

Citations

Unraveling the role of cigarette use in neural cannabis cue ...

Cigarette smokers in the control group showed unexpectedly heightened levels of cannabis cue reactivity compared to non‐smoking controls and heavy cannabis ...

Cannabis and nicotine/tobacco co-use and its association ...

An administration study in humans found that co-administration of cannabis and tobacco was associated with better episodic memory performance compared to ...

Using Novel Behavioral Economic Measures to ...

The primary outcome will be change in cannabis craving. This study utilizes a structured tobacco cue exposure paradigm.

Tobacco Quitline Callers Who Use Cannabis and Their ...

A substantial percentage of tobacco quitline callers use cannabis. Those who do co-use quit cigarette smoking at a lower rate than those who do not.

Individual and combined effects of cannabis and tobacco on ...

This study aimed to investigate how cannabis and tobacco, each alone and combined together in joints, affected individuals' demand for cannabis puffs and ...

Magnitude and duration of cue-induced craving for ...

Marijuana cue exposure increased marijuana craving, anxiety, and blood pressure. Marijuana craving remained elevated up to 150-min post marijuana cue exposure.

Acute Effects of Cannabis on Alcohol Craving and ...

There were no significant effects of cannabis on ACQ-SF-R ratings after smoking and during alcohol cue exposure, but 7.2% THC reduced alcohol ...

Effects of brief mindfulness training on smoking cue ...

The primary outcomes include subjective reports of smoking craving, changes in EEG indicators, and mindfulness measures. The secondary outcomes ...