# Secondhand Effects of Hookah (i.e., Waterpipe) Smoke and Aerosol

> **NCT04661683** · NA · ACTIVE_NOT_RECRUITING · sponsor: **University of California, Los Angeles** · enrollment: 12 (estimated)

## Conditions studied

- Hookah Smoking
- Secondhand Aerosol
- Vascular Stiffness
- Vaping

## Interventions

- **OTHER:** Combustible Hookah Smoke
- **OTHER:** Electronic Hookah Aerosol
- **OTHER:** Clean Room Air

## Key facts

- **NCT ID:** NCT04661683
- **Lead sponsor:** University of California, Los Angeles
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-06-25
- **Primary completion:** 2026-12-15
- **Final completion:** 2027-04-15
- **Target enrollment:** 12 (ESTIMATED)
- **Last updated:** 2026-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04661683

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04661683, "Secondhand Effects of Hookah (i.e., Waterpipe) Smoke and Aerosol". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04661683. Licensed CC0.

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