Can a simple text message tame high blood pressure?
NCT ID NCT05481892
First seen Jun 27, 2026 ยท Last updated Jun 27, 2026
Summary
This study looked at whether giving people home blood pressure monitors and teaching them to use online portals and texting with their doctors can help them better control their high blood pressure. Over 500 adults with uncontrolled hypertension took part for 12 months. The goal was to see if this digital approach leads to lower blood pressure readings.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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540 people
The number who actually took part.
- Started
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Apr 2023
- Finished
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Apr 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * English-and Spanish-speaking patients * Patient within the San Francisco Health Network (SFHN) * Has seen primary care provide within the past 2 years * Uncontrolled hypertension (HTN) in the HTN registry * Complete Aim 1 training, in addition to patients who have not completed Aim 1 training * Over the age of 18 Exclusion Criteria: * Under the age of 18 * Controlled HTN
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Zuckerberg San Francisco General Hospital/University of California, San Francisco
San Francisco, California, 94110, United States
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Other studies related to the condition(s) this trial covers.
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