# Biomarkers of Exposure and Effect in Standardized Research E-cigarette (SREC) Users

> **NCT04003805** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **Masonic Cancer Center, University of Minnesota** · enrollment: 47 (actual)

## Conditions studied

- Smoking, Cigarette

## Interventions

- **DRUG:** Standardized Research E-cigarette (SREC)

## Key facts

- **NCT ID:** NCT04003805
- **Lead sponsor:** Masonic Cancer Center, University of Minnesota
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-05-11
- **Primary completion:** 2024-05-31
- **Final completion:** 2026-05-20
- **Target enrollment:** 47 (ACTUAL)
- **Last updated:** 2026-01-29

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04003805

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04003805, "Biomarkers of Exposure and Effect in Standardized Research E-cigarette (SREC) Users". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04003805. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*