Completed NA INTERVENTIONAL 20-arm NCT04399031

Effects of e-Cigarettes on Perceptions and Behavior - Substudy 1

Sponsor: University of Southern California

Conditions Cigarette Smoking Cigarette Use, Electronic Electronic Cigarette Use Vaping

Updated 5 times since 2020 Last updated: Jul 7, 2023 Started: Dec 1, 2019 Primary completion: Mar 1, 2020 Completion: Mar 1, 2020

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04399031, this NA trial focuses on Cigarette Smoking and Cigarette Use, Electronic and remains completed. Sponsored by University of Southern California, it has been updated 5 times since 2019, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Aug 2023 — Jul 2024 [monthly]

Completed NA

Status: Suspended → Completed
Jan 2021 — Aug 2023 [monthly]

Suspended NA
Jun 2020 — Jan 2021 [monthly]

Suspended NA

First recorded

Dec 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Southern California

Data source: University of Southern California

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Los Angeles, United States