Effectiveness of slow rate breathing on decreasing blood pressure in patients with hypertension and poor blood pressure control in primary care: a randomized controlled trial

Status

Unknown

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20221103002

Enrollment

Registered

2022-11-03

Start date

2022-11-01

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

patients with hypertension and poor blood pressure control hypertension, breathing, primary care

Interventions

1. Each participant follow slow rate breathing technique by full nasal inspire then pause for self count 1, 2, 3 about 3 seconds then oral expire slowly for 10 minutes. 2. Blood pressure measurement a

Experimental Procedure/Surgery,No Intervention Procedure/Surgery

Slow rate breathing technique,Sitting

Eligibility

Sex/Gender

All

Age

35 Years to 79 Years

Inclusion criteria

Inclusion criteria: 1. Patients take their antihypertensive medication(s) as prescribed at least 3 month 2. Sytolic office blood pressure 140-179 mmHg or Diastolic office blood pressure 90-109 mmHg

Exclusion criteria

Exclusion criteria: 1. Presentation of warning signs of stroke or myocardial infaction. 2. Coffee or tea consumption, cigarette smoking, steroid or hormonal medications intake, pseudoephridine nasal decongestant. 3. Possibly secondary hypertension.

Design outcomes

Primary

Measure	Time frame
Blood pressure immediately after intervention has finished Automatic Blood Pressure Monitor	—

Secondary

Measure	Time frame
antihypertensive medication prescription immediately after medical prescription has finished medical record observation	—

Countries

Thailand

Contacts

Public ContactDussadee Eungpinichpong

Faculty of Medicine, Khon Kaen University

dussusaguun@kkumail.com660851250143

Outcome results

None listed

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