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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04978129
Other study ID # R34AA028730
Secondary ID 1R34AA028730-01A
Status Recruiting
Phase N/A
First received
Last updated
Start date August 15, 2023
Est. completion date March 1, 2025

Study information

Verified date May 2024
Source University of North Texas Health Science Center
Contact Melissa A Lewis, PhD
Phone 817-735-5136
Email Melissa.Lewis@unthsc.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The most successful young adult alcohol or marijuana interventions involve the provision of accurate, nonjudgmental personalized feedback, but notably the inclusion and effectiveness of protective behavioral strategies (PBS) content is inconsistent. Moreover, active components of brief interventions are not well understood, and findings have been inconclusive regarding whether PBS mediates intervention efficacy of college student personalized feedback interventions (PFIs), with only some studies showing evidence of mediation. One possible reason for these findings is that investigators often do not know young adults' motivations for using (or not using) PBS or the quality of PBS use across individuals or across drinking occasions. The proposed study will provide an in-depth examination of which PBS young adults are motivated to use (including implementation quality) and reasons that young adults may or may not use PBS. Understanding why young adults are choosing not to use PBS on specific occasions or do not engage in effective or high-quality PBS use on certain occasions has significant clinical implications, whereby interventions may need to spend more time increasing motivations to use PBS in an effective manner or work on reducing perceived barriers (i.e., reasons individuals are not using PBS). Clinicians may then be better able to work with young adults in various settings to reduce or prevent excessive alcohol and marijuana use and related consequences. The proposed research has high potential for making a substantial impact on the field and public health (particularly as more states permit legal access to marijuana for those over 21) as it will address a problem of high importance (alcohol and marijuana use) by being the first to develop and refine a PBS intervention that specifically focuses on motivations for alcohol and marijuana PBS use and non-use as well as quality of use, which is an overlooked aspect of current PBS-related intervention approaches. The development of more efficacious interventions to reduce the proportion of young adults who engage in excessive alcohol use and who experience consequences is a key priority of the NIAAA. Related, development of more effective interventions to reduce risk from marijuana use is an area of great importance for the NIDA.


Description:

The majority of young adults who use both alcohol and marijuana do so simultaneously. Simultaneous Alcohol and Marijuana (SAM) use is defined as using alcohol and marijuana at the same time so that their effects overlap. Individuals who engage in Concurrent Alcohol and Marijuana (CAM) use are often characterized as those who report both alcohol and marijuana use within the same time period (e.g., past month, past week). An increasing body of literature has documented CAM and SAM use on a given day among young adults. Event-level findings show SAM use is associated with increased risk for consequences, compared to marijuana use alone or CAM use. Given that the investigators' focus in this application is on daily-level substance use behaviors, the investigators define CAM use as using both substances on the same day, but not so that their effects overlap. Interventions should focus on reducing drinking as well as drinking that occurs in conjunction with marijuana use to provide a more comprehensive evaluation of intervention efficacy. The proposed research in this application will develop and test a novel online and text message (TM) protective behavioral strategies (PBS) intervention to reduce alcohol, marijuana, CAM, and SAM use and related negative consequences among young adults. One way interventions could prevent or reduce alcohol- and marijuana-related consequences is by promoting the use of PBS, which are behaviors that individuals can use to limit consequences and/or reduce substance use. PBS are often incorporated into brief interventions or TM interventions in the form of skills training. Despite the empirical support for including PBS content in brief interventions, findings have been inconclusive regarding whether PBS mediate intervention efficacy among college students. One possible explanation is that skills-based PBS interventions prematurely focus on "how" to use PBS, but not "why" PBS might be used or used with high quality. Research is needed to determine motivations for when and why young adults may or may not decide to use PBS to reduce harm while using alcohol and/or marijuana, which can then enable investigators to better address these motivations in brief interventions. Research has yet to examine how alcohol and marijuana PBS use on a given day relates to an individual's use of alcohol alone or marijuana alone in comparison to CAM or SAM use. The proposed study will fill these critical gaps by identifying the extent to which motivations for PBS use and nonuse (marijuana or alcohol) and quality of PBS use (degree of effectiveness or degree of implementation) differ when using alcohol alone versus concurrently or simultaneously with marijuana. The overall goal of this research is to inform a pilot study of a newly developed alcohol and marijuana PBS intervention. The proposed research will (1) collect pilot data to establish feasibility and acceptability and test the interactive online and TM PBS intervention (baseline, 2-month) while also (2) collecting event-level data to examine daily-level associations among PBS motivation/quality, PBS use and non-use, alcohol and/or marijuana use, and negative consequences with a focus on how PBS may differ on CAM or SAM use days compared to alcohol-only days. Aim 1: Examine motivations for alcohol and marijuana PBS use (and non-use of PBS) as well as quality of PBS use among young adults (ages 18-24) who use both alcohol and marijuana. The present study will conduct online focus groups (10 groups, N=10 individuals per group) and cognitive interviews (N=10) to determine why young adults use or do not use specific PBS related to alcohol and/or marijuana use. Focus groups will address how PBS use or motivations to avoid consequences may differ by gender (male, female, non-binary). Focus groups and cognitive interviews will discuss the level of quality in which PBS are used and various contexts in which PBS may or may not be used. Discussions will consider use of either substance alone on a given day as well as SAM or CAM use on a given day and will include ways in which the motivations and quality of PBS could be incorporated into an online and TM PBS intervention, as well as elicit feedback on mock intervention material. Using an exploratory sequential mixed methods design, an iterative process of focus groups and cognitive interviews will inform the development and delivery of the intervention to be tested in the pilot study (Aim 2). Aim 1 is not a clinical trial. Aim 2: Conduct a pilot study with young adults (N=200; ages 18-24), who typically use alcohol and marijuana at least two days per week, to determine feasibility, acceptability, and preliminary effect sizes (to inform a future R01 application). Participants will be randomized to either the intervention or wait-list control. The intervention is a brief interactive online intervention focusing on self-selected alcohol and marijuana PBS messages and motives for using alcohol- and marijuana-related PBS and includes intervention content delivered via TMs three days a week (random day, Friday, Saturday) over eight consecutive weekends. All participants will report PBS use, motivations for PBS use (and non-use), quality of PBS use, readiness to change, and alcohol and marijuana use in morning surveys timed to occur the day after the intervention TMs for those in the intervention group. The proposed research in this application will provide an in-depth understanding of young adults' PBS use and has potential to develop a more efficacious intervention for these co-occurring or simultaneous alcohol and marijuana behaviors. Aim 2 is the clinical trial.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date March 1, 2025
Est. primary completion date March 1, 2025
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 24 Years
Eligibility Inclusion Criteria: 1. Age 18-24 2. Live in Texas 3. Valid email address 4. Own a cell phone with text messaging capabilities 5. Okay with receiving messages 6. Typically drink at least 2 days a week 7. Typically use marijuana at least 2 days a week 8. Report having at least 1 alcohol-related and 1 marijuana-related consequence in the past month 9. Report being in contemplation or action stage based on readiness to change scale for alcohol or marijuana (i.e., not in precontemplation stage) 10. If female, not pregnant or trying to become pregnant 11. Not currently in treatment for alcohol or substance use 12. Willing to participate in either online focus group or online cognitive interview (Phase I) or pilot study with daily morning surveys (Phase II), and willing to receive study notifications on phone (e.g., survey reminders) [Phase II] 13. Their device must meet the system requirements to participate in the online focus group or cognitive interview (have iOS 8.0 or later, Android 4.0x, or later, or have another video-enabled device) [Phase I] Exclusion Criteria: 1. Not meeting inclusion criteria 2. Unwillingness to participate 3. Failure to provide consent 4. Providing inconsistent responses (e.g., age), and 5. Having already participated in the study as identified by overlap or consistency in email addresses, contact information, and demographics.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Online and Text Messaging Intervention
The online and TM intervention, and its delivery, will be designed and adapted based on the results of the formative focus groups and cognitive interviews and is meant to be non-confrontational in tone, seeks to increase motivation to increase the quality use of PBS and decrease motivations for non-use of PBS.

Locations

Country Name City State
United States University of North Texas Health Science Center Fort Worth Texas

Sponsors (2)

Lead Sponsor Collaborator
University of North Texas Health Science Center National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Country where clinical trial is conducted

United States, 

References & Publications (41)

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Lewis MA, Cadigan JM, Cronce JM, Kilmer JR, Suffoletto B, Walter T, Lee CM. Developing Text Messages to Reduce Community College Student Alcohol Use. Am J Health Behav. 2018 Jul 1;42(4):70-79. doi: 10.5993/AJHB.42.4.7. — View Citation

Lewis MA, Litt DM, King KM, Fairlie AM, Waldron KA, Garcia TA, LoParco C, Lee CM. Examining the ecological validity of the prototype willingness model for adolescent and young adult alcohol use. Psychol Addict Behav. 2020 Mar;34(2):293-302. doi: 10.1037/adb0000533. Epub 2019 Nov 21. — View Citation

Li, X., Lewis, M. A., Fairlie, A. M., & Mun, E. Y. (2019, June). Participants come back to see web-delivered personalized feedback aimed at reducing alcohol-related risky sexual behavior among young adults. Poster presented at the annual meeting of the Research Society on Alcoholism, Minneapolis, MN.

Linden-Carmichael AN, Van Doren N, Masters LD, Lanza ST. Simultaneous alcohol and marijuana use in daily life: Implications for level of use, subjective intoxication, and positive and negative consequences. Psychol Addict Behav. 2020 May;34(3):447-453. doi: 10.1037/adb0000556. Epub 2020 Jan 23. — View Citation

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Litt, D. M. & Lewis, M. A. (2016). An Examination of Protective Behavioral Strategies, Motivations for Strategy Selection, and Alcohol Use Among Young Adults. Poster presented at the Association for Behavioral and Cognitive Therapies, New York.

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* Note: There are 41 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Daily Drinking Questionnaire The Daily Drinking Questionnaire (Collins, Parks, & Marlatt, 1985) measures the quantity and frequency of alcohol use by asking students to estimate the typical number of drinks consumed on each day of the week, averaged over the previous 3 months. Change from Baseline measurement at 2 months
Primary Change in Young Adult Alcohol Consequences Questionnaire The Young Adult Alcohol Consequences Questionnaire (a=.79; Read et al., 2006) will asses consequences from drinking. Change from Baseline measurement at 2 months
Primary Change in Alcohol Protective Behavioral Strategies Alcohol Protective Behavioral Strategies (i.e., tips and strategies used to reduce harm when drinking) will be assessed with the Protective Behavioral Strategies Survey-20 (PBSS-20; a=.63-.81; Treloar et al., 2015). Change from Baseline measurement at 2 months
Primary Change in Motivations for alcohol Protective Behavioral Strategies use and non-use Motivations for alcohol Protective Behavioral Strategies use and non-use survey (i.e., tips and strategies used to reduce harm when drinking) will be used (a=.80; Litt & Lewis, 2016; Bravo et al., 2018). Change from Baseline measurement at 2 months
Primary Change in Daily Marijuana Use Questionnaire A parallel Daily Drinking Questionnaire measure will be asked for marijuana assessing typical days used and typical number of hours high each day (a=.97, Lee et al., 2013). Change from Baseline measurement at 2 months
Primary Change in Marijuana Protective Behavioral Strategies Marijuana Protective Behavioral Strategies (i.e., tips and strategies used to reduce harm when using marijuana) will be assessed using the Protective Behavioral Strategies for Marijuana Scale (PBSM-36; Pedersen et al., 2017; a=.93). Change from Baseline measurement at 2 months
Primary Change in Motivations for marijuana Protective Behavioral Strategies use and non-use Motivations for marijuana Protective Behavioral Strategies use and non-use survey (i.e., tips and strategies used to reduce harm when using marijuana) will be assessed using parallel items to the alcohol protective behavioral strategies motivations measure (Litt & Lewis, 2016; Bravo et al., 2018). Change from Baseline measurement at 2 months
Primary Change in Rutgers Marijuana Problem Index The Rutgers Marijuana Problem Index (White et al., 2005) will assess marijuana consequences, selecting acute items appropriate for daily-level measurement. From date of randomization until study completion, up to 2 months. This measure will be administered using daily surveys sent on the day following intervention TMs, which are sent on Friday, Saturday, and a randomly chosen weekday for up to 8 weeks.
Primary Change in Protective Behavioral Strategy use and quality the previous day PBS use and quality the previous day will be assessed by having participants report which, if any, alcohol and/or marijuana PBS they used the previous day, and for those they report using, how well they implemented the PBS (i.e., quality) and how helpful they perceived the strategy to be. From date of randomization until study completion, up to 2 months. This measure will be administered using daily surveys sent on the day following intervention TMs, which are sent on Friday, Saturday, and a randomly chosen weekday for up to 8 weeks.
Primary Change in Simultaneous Alcohol and Marijuana Use Questions regarding SAM use will be adapted from MTF (Johnston et al., 2015). Change from date of randomization until study completion, up to 2 months. This measure will be administered using daily surveys sent the day after intervention TMs, which are sent on Friday, Saturday, and a randomly chosen weekday for up to 8 weeks.
Primary Change in Concurrent Alcohol and Marijuana Use Concurrent Alcohol and Marijuana Use: Concurrent Alcohol and Marijuana Use is determined from the alcohol and marijuana measures (i.e., endorsement of both alcohol and marijuana use within the same timeframe; Lee et al., 2013). Change from date of randomization until study completion, up to 2 months. This measure will be administered using daily surveys sent the day after intervention TMs, which are sent on Friday, Saturday, and a randomly chosen weekday for up to 8 weeks.
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