Air Pollution and Cardiovascular Disease in Qatar: an Interventional Study to Reduce Blood Pressure

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-60
SponsorWeill Cornell Medical College in Qatar

About this trial

The main objective is to determine if in-home portable air cleaners provide persistent reductions in PM2.5 exposures and improvements in systolic blood pressure and biochemical parameters over 4-weeks in patients with metabolic syndrome residing in Qatar.

Eligibility criteria

Qualifiers

Non-smokers (100% abstinence from use of any smoking or vaping product during the prior year)

Age ≥18 and less than 60 years old

Living in a single residence (home, apartment) located anywhere in Qatar

Waist circumference ≥102 cm if male and ≥88 cm if female

Disqualifiers

Pregnancy (self-reported)

Screening visit urine positive for cotinine (NicAlert >100 ng/mL)

Living with an active smoker who smokes indoors (by self-report)

High risk conditions that prohibit allowing home BP to be >130/80 mm Hg during the10-week trial including any cardiovascular disease (coronary artery disease, prior stroke, heart failure, peripheral arterial disease, aneurysm) or ≥ stage 3 kidney disease (estimated glomerular filtration rate < 60 ml/min)

Trial design

Treatments tested in this trial

  • Air cleaners with HEPA filter
  • Air cleaners without HEPA filter

Treatment groups

100 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Weill Cornell Medical College in Qatar

Lead sponsor

Hamad Medical Corporation

Collaborator

Case Western Reserve University

Collaborator