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Recruiting Phase 4 Interventional

Secondhand Tobacco Smoke and Cardiovascular Disease

ClinicalTrials.gov ID: NCT04715568

Public ClinicalTrials.gov record NCT04715568. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 8, 2026, 6:48 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Occult Cardiovascular Disease With Chronic Exposure to Secondhand Tobacco Smoke

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a double-blind randomized placebo-controlled crossover clinical trial of efficacy and safety of an FDA-approved angiotensin receptor blocker (losartan) to improve cardiopulmonary outcomes in individuals with pre-Chronic Obstructive Pulmonary Disease (COPD) due to prolonged exposure to secondhand tobacco smoke.

Study identification

NCT ID
NCT04715568
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 4
Enrollment
100 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 29, 2021
Primary completion
Dec 30, 2026
Completion
Dec 30, 2026
Last update posted
Aug 18, 2026

2021 – 2026

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
San Francisco Veterans' Affairs Medical Center San Francisco California 94121 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04715568, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 18, 2026 · Synced Sep 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04715568 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →