# COMET2 Project 1 Filter Ventilation Study

> **NCT03637972** · PHASE3 · COMPLETED · sponsor: **Masonic Cancer Center, University of Minnesota** · enrollment: 118 (actual)

## Conditions studied

- Smoking
- Tobacco Use

## Interventions

- **OTHER:** Ventilated cigarettes only
- **OTHER:** Unventilated cigarettes only
- **OTHER:** Access to Experimental Marketplace: Ventilated cigarettes + alternative nicotine delivery systems
- **OTHER:** Access to Experimental Marketplace: Unventilated cigarettes + ANDS

## Key facts

- **NCT ID:** NCT03637972
- **Lead sponsor:** Masonic Cancer Center, University of Minnesota
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-18
- **Primary completion:** 2021-12-09
- **Final completion:** 2021-12-09
- **Target enrollment:** 118 (ACTUAL)
- **Last updated:** 2022-04-29

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03637972

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03637972, "COMET2 Project 1 Filter Ventilation Study". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT03637972. Licensed CC0.

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