# The Efficacy and Safety of Electronic Cigarettes: a 5-year Follow-up Study

> **NCT01785537** · — · UNKNOWN · sponsor: **Università degli Studi 'G. d'Annunzio' Chieti e Pescara** · enrollment: 1050 (estimated)

## Conditions studied

- Cardiovascular Diseases
- Chronic Obstructive Pulmonary Diseases
- Cancer of the Lung
- Cancer of the Bladder
- Cancer of the Stomach

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01785537
- **Lead sponsor:** Università degli Studi 'G. d'Annunzio' Chieti e Pescara
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2013-10
- **Primary completion:** 2019-12
- **Final completion:** 2019-12
- **Target enrollment:** 1050 (ESTIMATED)
- **Last updated:** 2017-05-05

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01785537

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01785537, "The Efficacy and Safety of Electronic Cigarettes: a 5-year Follow-up Study". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT01785537. Licensed CC0.

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