Effects of air pollution on blood pressure inflammatory markers on hypertensive patients

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20231117004

Enrollment

Registered

2023-11-17

Start date

2016-03-15

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

hypertensive patients Air pollution, airway disease, QT dispersion, QT interval, particulate matter, PM2.5, ventricular arrhythmia

Interventions

Controlled Blood Pressure in Hypertensive patients

Screening

Hypertensive patients

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >18 years old at enrollment date 2. Agree and sign consent form 3. Controlled hypertension at least 1 month 4. Located at the Chiang Dao district at least 18 hours per day in 2 week

Exclusion criteria

Exclusion criteria: 1. History of Cardiovascular disease 2. Temporary or permanent migrate during study period 3. not available for schedule visit 4. not agree to sign inform consent

Design outcomes

Primary

Measure	Time frame
Blood pressure 1 day Blood pressure measurement	—

Secondary

Measure	Time frame
inflammatory markers 1 day Cardio Ankle Vascular Index ,QT parameters 1 day Electrocardiogram,Urine 1-OPH 1 day Urine 1-OPH level,Oxidative stress 1 day Blood sample	—

Countries

Thailand

Contacts

Public ContactWanwarang Wongcharoen

Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University

bwanwarang@yahoo.com6653936793

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026