CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 343 enrolled
Drug / intervention
Tobacco retailer +1 morebehavioral
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/NCT04279483
NCT04279483N/ACompleted
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Geo Smoking Study and Neural and Geospatial Examination of Smokers' Exposure to Retail Environments

Abramson Cancer Center at Penn Medicine·interventional·Posted Feb 21, 2020·Updated Aug 14, 2025

In Brief

A clinical study evaluating Tobacco retailer and Non-tobacco retailer for Smoking, Tobacco and 2 related conditions. Completed, enrolled 343 participants across 1 site.

Detailed Summary

The purpose of the study is to learn more about the relationships between the brain, behavior, and natural daily exposure to particular environments, including the places where smokers regularly spend time and specific retail outlets.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsSmoking, Tobacco, Smoking, Smoking, Cigarette
CountriesUnited States
CollaboratorsNational Cancer Institute (NCI), New York University, Stanford University

Timeline

N/ACompletedFinished
2020202120222023202420252026
First PostedFeb 21, 2020
Enrollment StartDec 17, 2019
Primary CompletionJun 10, 2024
TodayJul 2, 2026
Enrollment to primary: 4.5 yearsPosted 6.4 years ago

Interventions

Tobacco retailerbehavioral

Assigned to make a small (\~$3.00) purchase from a tobacco retail store(s) using a study-provided debit card during each retail environment visit

Non-tobacco retailerbehavioral

Assigned to make a small (\~$3.00) purchase from a store that does not sell tobacco (non-tobacco retailer) using a study-provided debit card during each retail environment visit.