Texting your way to weight loss: NHS trial tests SMS support
NCT ID NCT02985307
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested whether receiving daily text messages with weight loss advice helps people lose weight. 120 adults with obesity were split into two groups: one got standard group support, the other got daily texts. The goal was to see if the text group could lose as much weight over 3 months as the group attending in-person sessions.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- daily text messages with weight loss advice
- What this could lead to
- If it works, this could offer a simple, low-cost way to help people lose weight using just their mobile phone.
- What could go wrong
- This is a small, completed trial with only 120 participants over 3 months. The results may not apply to everyone, and text messages alone may not lead to lasting weight loss.
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
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120 people
The number who actually took part.
- Started
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Apr 2017
- Finished
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Nov 2018
- Lead sponsor
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A government agency
The lead sponsor is a government body.
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 years and older
- Sex
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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 Hide 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: * Body mass index \> 35kg/m requiring to lose weight for an operation or having a co-morbidity including diabetes, osteoarthritis, high cholesterol, asthma, heart disease, high blood pressure or sleep apnoea or with a body mass \>40kg/m with no co-morbidities. * Own a mobile phone * Have the ability to use short message service * Have access to weighing scales * Mentally capable of informed consent * Have the ability to read and speak English Exclusion Criteria: * Uncontrolled Hypothyroidism * Poorly controlled psychiatric illness * Current alcohol or drug abuse * Learning disability * Do not own a mobile phone * Do not have access to weighing scales * Does not have the ability to read or speak English
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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
-
Elizabeth McAnally
Edinburgh, West Lothian, EH49 6SJ, United Kingdom
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NHS Lothian
Edinburgh, West Lothian, EH54 6PP, United Kingdom
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