A pilot study to examine the impact of a pedometer app with financial incentives on blood pressure

A pilot study to examine the impact of a pedometer app with financial incentives on blood pressure - A pilot study to examine the impact of a pedometer app with financial incentives on blood pressure

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052578

Enrollment

Registered

2023-10-23

Start date

2023-10-23

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

Use of a smartphone app that measures moderate physical activity and provides financial incentives based on exercise time

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.aged 40 to 65 at the time of inclusion 2.systolic blood pressure between 130 mmHg and 159 mmHg at the time of inclusion 3.able to walk independently without the use of a walking aid 4.able to communicate, read and write in Japanese 5.owns an iPhone and can agree to carry it at all times during the study period 6.do not own a smartwatch, or if they do, are willing to consent to unpair their smartwatch from their iPhone during the study 7.can provide written consent to participate in the study of his/her own free will

Exclusion criteria

Exclusion criteria: 1.already exercising at least 3 days a week 2.prohibited from exercising by a physician for any reason 3.systolic blood pressure 160 mmHg or higher or diastolic blood pressure 100 mmHg or higher at the time of inclusion 4.already taking antihypertensive medication 5.diagnosed with angina 6.has experienced chest pain or shortness of breath during labor 7.has a history of syncope during exercise 8.has a history of arrhythmia or palpitations 9.has heart murmurs on auscultation 10.diagnosed with chronic kidney disease or diabetes mellitus. 11.diagnosed with secondary hypertension or suspected based on medical history. 12.judged by the investigator to be ineligible for participation in the study.

Design outcomes

Primary

Measure	Time frame
Change in systolic blood pressure from baseline to 8 weeks of app use	—

Secondary

Measure	Time frame
Change in diastolic blood pressure from baseline to 8 weeks of app use Change in systolic blood pressure from baseline to 4 weeks of app use Change in diastolic blood pressure from baseline to 4 weeks of app use Change in body weight from baseline to 4 weeks of app use Change in body weight from baseline to 8 weeks of app use Correlation between the average number of successful weekly challenges and the change in systolic blood pressure.	—

Measure

Time frame

Change in diastolic blood pressure from baseline to 8 weeks of app use Change in systolic blood pressure from baseline to 4 weeks of app use Change in diastolic blood pressure from baseline to 4 weeks of app use Change in body weight from baseline to 4 weeks of app use Change in body weight from baseline to 8 weeks of app use Correlation between the average number of successful weekly challenges and the change in systolic blood pressure.

—

Countries

Japan

Contacts

Public ContactKosuke Hayashi

Oita University Faculty of Medicine Department of Clinical Pharmacology and Therapeutics

khayashi@oita-u.ac.jp0975865952

Outcome results

None listed

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