Secondhand Tobacco Smoke and Cardiovascular Disease

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age40+
SponsorUniversity of California, San Francisco

About this trial

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.

Eligibility criteria

Qualifiers

Must be able to understand and provide informed consent.

Adults >= 40 years of age.

Must have a history of occupational exposure to secondhand tobacco smoke for at least 5 years such as flight attendants who worked for airlines before the smoking ban on aircrafts went into effect or casino workers who worked at casinos with no smoke-free policies.

Lifetime smoking history equivalent to < 1 pack-year and

Disqualifiers

Inability or unwillingness of a participant to give written informed consent or comply with study protocol.

Subject is pregnant, breast-feeding, or plans to become pregnant.

Current therapy with angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB).

Known intolerance to ACE inhibitor or ARB.

Trial design

Treatments tested in this trial

  • Losartan
  • Placebo

Treatment groups

100 Participants
are divided into 2 treatment groups

Sponsors and collaborators

University of California, San Francisco

Lead sponsor

Flight Attendant Medical Research Institute

Collaborator