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Texts and calendars could boost blood thinner use in heart patients

NCT ID NCT07543393

Disease control Sponsor: Sun Yat-sen University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a 'nudge' program—including text reminders, a medication calendar, and an action plan—to help 84 adults with atrial fibrillation take their blood thinners consistently. Participants will watch an educational video, create a daily pill-taking routine, and receive fewer texts over 8 weeks. The goal is to see if these simple prompts improve adherence and reduce stroke risk.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
nudge intervention (educational video, action plan, medication calendar, SMS reminders, feedback messages, telephone call)
What this could lead to
If it works, this could offer a simple, low-cost way to help people with atrial fibrillation stick to their blood thinner medication, reducing stroke risk.
What could go wrong
This is a small, early-stage trial with only 84 participants. The intervention is behavioral, so results may vary widely and may not apply to everyone. It does not test a new drug or cure.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 84 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years Diagnosed with non-valvular atrial fibrillation (AF) confirmed by medical records Prescribed oral anticoagulants (e.g., warfarin, rivaroxaban, apixaban, dabigatran, edoxaban) for at least 3 months Own a personal mobile phone capable of receiving SMS messages Willing and able to provide written informed consent Exclusion Criteria: * Severe cognitive impairment or psychiatric disorder that would preclude completion of questionnaires or adherence to the intervention Life expectancy \<6 months due to comorbid conditions Currently enrolled in another medication adherence intervention study Unable to read or understand Chinese (since validated Chinese scales are used)

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Conditions

The condition(s) this trial relates to.

atrial fibrillation Medication Adherence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Atrial fibrillation (AF)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Sun Yat-sen Memorial Hospital, Sun Yat-sen University

    Gu'ang'zhou, Guangdong, 510120, China

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