CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 37 enrolled
Drug / intervention
Unfiltered Cigarettes +1 moreother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03749876
NCT03749876N/ACompleted

A Randomized Cross-over Clinical Trial of Unfiltered Cigarettes

San Diego State University·interventional·Posted Nov 21, 2018·Updated Oct 22, 2020

In Brief

A clinical study evaluating Unfiltered Cigarettes and Filtered Cigarettes for Cigarette Smoking and Tobacco Smoking. Completed, enrolled 37 participants across 1 site.

Detailed Summary

This study is an open-label, randomized, 9-week, two-sequence, two-treatment, cross-over clinical trial of 40 adult filtered cigarette smokers who switch to unfiltered cigarettes There will be a 1-week baseline period, 2 weeks of smoking filtered or unfiltered cigarettes (determined at time of randomization), and a 3-week washout period, followed by post-washout baseline week, and a crossover to 2 weeks of smoking the opposite condition.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States

Timeline

N/ACompletedFinished
20192020202120222023202420252026
First PostedNov 21, 2018
Enrollment StartJan 17, 2019
Primary CompletionJun 30, 2020
TodayJul 2, 2026
Enrollment to primary: 1.5 yearsPosted 7.6 years ago

Interventions

Unfiltered Cigarettesother

Participants will be given unfiltered Pall Mall or Camel cigarettes to smoke for two weeks according to the brand they smoked prior to the start of the study. They will agree to smoke the cigarettes using a monitoring device (CReSS) that measures puffing behavior on five (5) days during each of the two weeks. They will also collect their cigarette butts on all days as a measure of smoking behaviors.

Filtered Cigarettesother

Participants will be given filtered Pall Mall or Camel cigarettes to smoke for two weeks according to the brand they smoked prior to the start of the study. They will agree to smoke the cigarettes using a monitoring device (CReSS) that measures puffing behavior on five (5) days during each of the two weeks. They will also collect their cigarette butts on all days as a measure of smoking behaviors.