# Effects of a Specific Substance in Smokers

> **NCT04281979** · NA · RECRUITING · sponsor: **Oregon Health and Science University** · enrollment: 60 (estimated)

## Conditions studied

- Smoking

## Interventions

- **DRUG:** Study Agent
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04281979
- **Lead sponsor:** Oregon Health and Science University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-02-25
- **Primary completion:** 2025-12-31
- **Final completion:** 2025-12-31
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2025-07-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04281979

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04281979, "Effects of a Specific Substance in Smokers". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04281979. Licensed CC0.

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