# Impact of Cigarette and E-cigarette Flavors on Adult Smoking Behavior

> **NCT04009850** · NA · TERMINATED · sponsor: **Yale University** · enrollment: 3 (actual)

## Conditions studied

- Tobacco Use

## Interventions

- **OTHER:** Cigarette Brand Switching
- **OTHER:** E-cigarette Flavor

## Key facts

- **NCT ID:** NCT04009850
- **Lead sponsor:** Yale University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-07-01
- **Primary completion:** 2019-11-09
- **Final completion:** 2022-01-31
- **Target enrollment:** 3 (ACTUAL)
- **Why stopped:** Study enrollment was temporarily paused in 2020 due to COVID-19. Study was closed without further enrollment in 2022.
- **Last updated:** 2024-03-08

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04009850

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04009850, "Impact of Cigarette and E-cigarette Flavors on Adult Smoking Behavior". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04009850. Licensed CC0.

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