# Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.

> **NCT05569005** · NA · TERMINATED · sponsor: **Philip Morris Products S.A.** · enrollment: 715 (actual)

## Conditions studied

- COPD
- Smoking
- Tobacco Use

## Interventions

- **OTHER:** THS use
- **OTHER:** Cigarette
- **OTHER:** Smoking Abstinence

## Key facts

- **NCT ID:** NCT05569005
- **Lead sponsor:** Philip Morris Products S.A.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2022-12-16
- **Primary completion:** 2024-09-13
- **Final completion:** 2024-09-13
- **Target enrollment:** 715 (ACTUAL)
- **Why stopped:** The study team decided to terminate the study due to operational infeasibility caused by challenges with recruiting the necessary number of participants.
- **Last updated:** 2024-09-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05569005

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05569005, "Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05569005. Licensed CC0.

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