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NCT05838378 · ClinicalTrials.gov registry record · NA

Cigarillo Warnings Image Sorting Study

A NA study, sponsored by Boston University.

Completed
Registry status
NA
Development phase
764
Enrollment target

NCT05838378: Completed NA study, sponsored by Boston University.

NCT05838378 is a NA study that has completed, run by Boston University. The registered enrollment target is 764 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (46% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05838378, a NA study, has completed, sponsored by Boston University.

COMPLETED
Registry status
NA
Development phase
764 participants
Enrollment target

Study Summary

The goal of this study is to examine the impact of repeated exposure to cigarillo warnings on cigarillo users' intentions and behaviors for cigarillo smoking. Eligible participants will be randomized to one of three experimental conditions that will vary based on cigarillo warning format. For 4 weeks, participants will participate in an image-sorting task where they will be asked to sort a set of \~18 cigarillo packages into flavor categories determined a priori by the research team (e.g., Mint, Fruit, Dessert). At the end of the study, participants will be notified of the purpose of the study and provided links to resources with information about the harms of cigarillo smoking and cessation. The study will be conducted in an online survey, working with Qualtrics research company, who will program the survey, recruit and screen participants, and administer the survey.

Primary Outcome

Assessed by the score for 3 survey items: 1) how interested participants are in quitting cigarillo smoking in the next 30 days; 2) how likely they are to quit smoking cigarillos in the next 30 days; and 3) how much they plan to quit smoking cigarillos in the next 30 days. Each survey item has a 5-pt response scale (1=Not at all to 5= Extremely). All items are averaged to create a composite quit intentions score which can range from 1 to 5. Higher scores are associated with a greater intention to

Interventions

  • OTHER Package image sorting with pictorial warnings
  • OTHER Package image sorting with Surgeon General text-only warnings
  • OTHER Package image sorting with FDA text-only warnings

Trial Details

FieldValue
Enrollment Target 764 participants
Start Date 2025-01-14
Est. Completion 2025-03-25
Phase NA
Boston University

185 total trials

What the finished NCT05838378 record still lists

NCT05838378 is an interventional study that assigns participants to a tested intervention. The registered 764 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (46% lower).

The record links to 0 conditions, and to 3 interventions - of which Package image sorting with pictorial warnings is the first listed.

NCT05838378 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05838378 about?

NCT05838378 is a clinical study titled "Cigarillo Warnings Image Sorting Study". The goal of this study is to examine the impact of repeated exposure to cigarillo warnings on cigarillo users' intentions and behaviors for cigarillo smoking. Eligible participants will be randomized to one of three experimental conditions that will vary based on cigarillo warning format. For 4 wee...

What is the current status of trial NCT05838378?

This trial is currently completed. It is a NA study. The enrollment target is 764 participants. The study started on 2025-01-14. Estimated completion is 2025-03-25.

What interventions are being tested in trial NCT05838378?

The interventions under investigation include: Package image sorting with pictorial warnings (OTHER), Package image sorting with Surgeon General text-only warnings (OTHER), Package image sorting with FDA text-only warnings (OTHER).

Who is sponsoring clinical trial NCT05838378?

This trial is sponsored by Boston University, which has 185 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05838378's enrollment target sits among peer trials

764 145th of 2000 higher than 1,856 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05838378, the US trial registry maintained by the National Library of Medicine. NCT05838378 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.