Randomized control trial about the influence of room temperature on morning blood pressure surge.

Randomized control trial about the influence of room temperature on morning blood pressure surge. - Randomized control trial about the influence of room temperature on morning blood pressure surge.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002696

Enrollment

150

Registered

2009-11-01

Start date

2009-11-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Hypertension

Interventions

Subjects are required to stay in the room from 20:00 to 8:00 on the next day. Within the period, the room temperature will be kept at 12 degree C. Subjects can freely adjust the amount of clothes and

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Male and female aged from 18 to 60.

Exclusion criteria

Exclusion criteria: Patients receiving medications for hypertension, diabetes mellitus, heart failure, hemodialysis, and having past history of stroke.

Design outcomes

Primary

Measure	Time frame
Sleep-trough Morning Blood Pressure Surge :defined as the morning Systolic Blood Pressure(SBP) minus the lowest SBP at night.	—

Countries

Japan

Contacts

Public ContactKeigo Saeki

Nara Medical University School of medicine. Department of Community Health and Epidemiology

k-saeki@umin.ac.jp0744-29-8841

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026