Texting your way to early cancer detection: study tests SMS reminders
NCT ID NCT04343950
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at whether sending text message reminders could increase the number of people who take part in colorectal and breast cancer screening programs. Over 44,000 eligible adults were included, and researchers compared SMS reminders to standard letters or no reminder. The goal was to see if texting is a cost-effective way to boost screening participation and catch cancers earlier.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
SMS reminders
What this could lead to
If successful, this could show that simple text reminders are a cost-effective way to get more people screened for cancer, potentially catching more cases early.
What could go wrong
This is a completed study, so results are available. However, it only tested SMS in specific regions and programs, so findings may not apply everywhere. Also, people without mobile phones were excluded.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Institut Català d'Oncologia
L'Hospitalet de Llobregat, Barcelona, 08908, Spain