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Letter-Writing Add-On to Brief Motivational Intervention for Alcohol Use

4. november 2026 oppdatert av: Emily Grekin, Wayne State University

Enhancing Brief Motivational Interventions for Alcohol Use With Self-Determination Theory: A Pilot Letter-Writing Add-On

The goal of this pilot clinical trial is to learn whether adding a brief letter-writing exercise, grounded in Self-Determination Theory (SDT), to a brief motivational intervention (BMI) for alcohol use is feasible and acceptable, and to obtain preliminary estimates of its effects on psychological needs and motivation among adults who drink heavily and sometimes think about or wish they could cut back on their drinking.

The main questions it aims to answer are: (1) Is it feasible to integrate the letter-writing task into an SDT-informed BMI (recruitment, session completion, letter completion, retention)? (2) Do participants rate the letter-writing task as acceptable, appropriate, and feasible? (3) Compared with a neutral writing task, is the letter-writing task associated with higher perceived autonomy, competence, and relatedness, perceived competence for reducing drinking, and autonomous motivation?

Researchers will compare a BMI plus a neutral writing task with the same BMI plus the letter-writing task. Participants will complete a brief online screening survey; take part in a single 45-60-minute Zoom session that includes questionnaires, a 25-30-minute motivational interview, random assignment to either write an advice letter to another participant who has also thought about reducing their drinking or copy a neutral paragraph, and post-session questionnaires; and complete a 10-15-minute online follow-up survey about motivation, perceived competence, and alcohol use approximately one month later.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

86

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

    • Michigan
      • Detroit, Michigan, Forente stater, 48202
        • Wayne State University
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Age 18 years or older
  • Resides in the United States
  • Meets the National Institute on Alcohol Abuse and Alcoholism heavy-drinking criteria in the past month
  • Answers Yes to "Do you sometimes think about reducing or wish you could reduce your alcohol use?"
  • Has internet access and a device capable of video conferencing via Zoom

Exclusion Criteria:

  • Failure to meet the inclusion criteria

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: BMI + Letter-Writing Condition

Participants will receive a brief, one-on-one, motivational intervention delivered via Zoom by a doctoral student in clinical psychology.

Immediately after the brief motivational intervention, participants write a brief advice letter to another study participant who has also thought about reducing their drinking but sometimes struggles with motivation. Prompts target autonomy, competence, and relatedness.

Aktiv komparator: BMI + Neutral Writing Condition

Participants will receive a brief, one-on-one, motivational intervention delivered via Zoom by a doctoral student in clinical psychology.

Immediately after the brief motivational intervention, participants copy a technical paragraph on office supply inventory management that matches the letter-writing task in length and duration.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Recruitment Feasibility: Enrollment Rate Among Eligible Individuals Who Accept an Invitation
Tidsramme: From accepting the invitation to the Zoom session (up to 21 days)

Percentage of eligible people who accept an invitation and then enroll (attend the Zoom session, consent, and begin the baseline survey).

From accepting the invitation to the Zoom session (up to 21 days)
Session Completion Rate
Tidsramme: Day 1

Percentage of enrolled participants who complete all parts of the Zoom session.

Day 1
Letter Completion Rate
Tidsramme: Day 1

Percentage of participants assigned to letter writing who complete a letter during the session.

Day 1
Acceptability of the Letter-Writing Task (Acceptability of Intervention Measure)
Tidsramme: Day 1

Mean of 4 Acceptability of Intervention Measure items, rated 1 (completely disagree) to 5 (completely agree); higher scores mean greater acceptability. Letter-writing participants only.

Day 1
Appropriateness of the Letter-Writing Task (Intervention Appropriateness Measure)
Tidsramme: Day 1

Mean of 4 Intervention Appropriateness Measure items, rated 1 (completely disagree) to 5 (completely agree); higher scores mean greater appropriateness. Letter-writing participants only.

Day 1
Feasibility of the Letter-Writing Task (Feasibility of Intervention Measure)
Tidsramme: Day 1

Mean of 4 Feasibility of Intervention Measure items, rated 1 (completely disagree) to 5 (completely agree); higher scores mean greater feasibility. Letter-writing participants only.

Day 1

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Retention at One-Month Follow-Up
Tidsramme: Days 30 to 44 after the Zoom session

Proportion of randomized participants who complete the one-month follow-up survey within the 14-day response window (days 30-44 after the session), overall and by arm.

Days 30 to 44 after the Zoom session
State Autonomy for Drinking Decisions
Tidsramme: Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session

Single item rated 1 (not at all) to 7 (completely); higher scores mean greater autonomy.

Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session
State Competence for Reducing Drinking
Tidsramme: Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session

Single item rated 1 (not capable at all) to 7 (extremely capable); higher scores mean greater competence.

Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session
State Relatedness
Tidsramme: Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session

Single item rated 1 (not at all connected) to 7 (extremely connected); higher scores mean greater relatedness.

Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session
Perceived Competence for Reducing Alcohol Use (Perceived Competence Scale)
Tidsramme: Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session

Mean of 4 items rated 1 (not at all true) to 7 (very true); higher scores mean greater perceived competence.

Start of the Zoom session (baseline), immediately post-intervention (Day 1), and 1 month after the Zoom session
Autonomous Motivation to Reduce Alcohol Use (Treatment Self-Regulation Questionnaire)
Tidsramme: Start of the Zoom session (baseline) and 1 month after the Zoom session

Autonomous motivation score (mean of items rated 1 to 7); higher scores mean more autonomous motivation.

Start of the Zoom session (baseline) and 1 month after the Zoom session

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Heavy Drinking Days (Timeline Followback)
Tidsramme: Start of the Zoom session (baseline) and 1 month after the Zoom session

Number of days in the past 30 with 5 or more (men) or 4 or more (women) standard drinks, measured with the Timeline Followback.

Start of the Zoom session (baseline) and 1 month after the Zoom session

Samarbeidspartnere og etterforskere

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Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. november 2026

Primær fullføring (Antatt)

30. mars 2027

Studiet fullført (Antatt)

30. april 2027

Datoer for studieregistrering

Først innsendt

31. oktober 2026

Først innsendt som oppfylte QC-kriteriene

4. november 2026

Først lagt ut (Faktiske)

9. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

9. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

4. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • IRB-25-12-8326

Legemiddel- og utstyrsinformasjon, studiedokumenter

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Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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