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Phone nudges vs. cancer: can a simple app message save lives?

NCT ID NCT07725328

Prevention Sponsor: National University Hospital, Singapore 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 24, 2026 · Last updated Jul 24, 2026

Summary

This trial tests whether regular health messages sent via a mobile app or SMS can help women aged 50 to 69 stay on top of cancer screening and adopt healthier lifestyles. Participants are randomly assigned to receive either standard reminders every six months or more frequent, engaging messages covering screening guidelines, nutrition, and physical activity over 12 months. The goal is to see if this digital nudge increases screening participation and promotes lasting healthy habits.

What this could mean

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

Active substance
monthly health messages delivered via mobile app or SMS
What this could lead to
If effective, this digital approach could be scaled across Singapore to improve cancer screening rates and promote healthier lifestyles in older adults.
What could go wrong
This is a behavioral intervention, so results depend on participant engagement. The effect may be modest, and findings may not generalize beyond Singaporean women.

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 2,000 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

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

50 to 69 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. If using app for message delivery: Registered NUHS App users or HealthHub App users OR if using SMS for message delivery: Participants must have a mobile number recorded in electronic medical records (EPIC). 2. Female 3. Singapore citizen 4. Aged 50-69 years 5. With or without prior diagnosis of cancer Exclusion Criteria: 1. Participants unable to provide informed consent and take surveys, such as those with cognitive impairments or severe mental health conditions. 2. Participants with terminal illness or serious comorbidities that preclude them from participating in preventive health programs. 3. Pregnant women: Given the target age group (50-69 years), the prevalence of pregnancy is expected to be extremely low.

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As listed by the trial registrant

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

Cancer screening Chronic diseases in older adults Colonoscopy Early cancer detection Fecal immunochemical test HPV testing Mammography

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • National University Hospital Singapore

    Singapore, Singapore

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