Can a supercharged diet and meds beat obesity? new trial aims to find out
NCT ID NCT06321432
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares an intensive weight loss program—using meal replacements, behavior coaching, and weight-loss medication—against standard care for 480 adults with obesity. The goal is to see if the intensive approach leads to greater weight loss, better quality of life, and is worth the cost. Participants must be invited to join.
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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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480 people
The number who actually took part.
- Started
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Jun 2024
- Expected to finish
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Dec 2048
An estimate. End dates often move.
- 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 60 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.
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.
Please note that participants need to be invited in order to take part in the trial. Inclusion Criteria: 1. Age ≥18 years and ≤60 years old at screening. 2. BMI ≥30 kg/m2 or ≥27.5 kg/m2 in people with South Asian, Chinese, other Asian, Middle Eastern, Black African or African-Caribbean family backgrounds (as reported by the participants). 3. Informed consent. Exclusion Criteria: 1. Has severe and complex obesity, i.e., obesity class II (BMI≥35 if white or 32.5 if non-white) with one or more of these specific adiposity-related comorbidities: cardiovascular disease, type 2 diabetes, hypertension, non-alcoholic steatosis, or sleep apnoea (Appendix 1). 2. Intending to become pregnant in the next two years, or pregnant, or breastfeeding. 3. Use of WLM or GLP-1 agonist treatment within the last 3 months. 4. Currently being treated for cancer other than oestrogen antagonist therapy or non-melanoma skin cancer. 5. Prior bariatric surgery, not including laparoscopic gastric banding, intragastric balloons or duodenal-jejunal bypass sleeve (Endobarrier™ or similar) if the device has been removed \>1 year before screening. 6. Diagnosis or treatment for eating disorder within the last 6 months. 7. Any other disease that markedly compromises the participant's ability to adhere to the treatment programme or follow-up or is likely to mean that weight loss will not improve the person's length or quality of life, such as conditions limiting life expectancy. 8. Conditions that contraindicate or complicate total diet replacement (including type 1 diabetes or other diabetes requiring any insulin therapy, phenylketonuria, or other conditions requiring special diets). 9. Taking part in other research involving multidisciplinary obesity treatment that would compromise participation in this trial. 10. Conditions that contraindicate or complicate GLP-1 or GIP agonist treatment (including history of pancreatitis) 11. Another member of the household enrolled in the trial.
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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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East of England RRDN
Norwich, United Kingdom
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Frederiksberg kommune: Social-, Sundheds- og Arbejdsmarkedsområdet
Frederiksberg, 2000, Denmark
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Gladsaxe kommune: Social- og Sundhedsforvaltningen, Sundhed og Rehabilitering
Søborg, 2860, Denmark
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Hvidovre kommune: Center for Sundhed og Ældre, Hvidovre Sundhedscenter, Sundhed og Forebyggelse
Hvidovre, 2650, Denmark
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North West RRDN
Manchester, United Kingdom
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South West Peninsula RDN, Exeter
Exeter, United Kingdom
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The Department of Medicine and the Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre
Copenhagen, 2650, Denmark
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The Parker Institute, Copenhagen University Hospital - Bispebjerg and Frederiksberg
Frederiksberg, 2000, Denmark
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West Midlands RRDN
Birmingham, United Kingdom
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Yorkshire and Humber RRDN (Leeds, Sheffield and Hull)
Leeds, United Kingdom
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