Dutch researchers check if weight-loss drug lives up to hype in real-world clinics
NCT ID NCT07504172
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will look at medical records of 1700 adults with obesity who took tirzepatide along with lifestyle coaching at several Dutch clinics. Researchers want to see how much weight people actually lose after six months and how doctors prescribe the medication in daily practice. The study does not test a new treatment—it simply observes what happens in real-world care.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,700 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2026
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.
Who is studied
Outpatient clinic
- Ages
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18 years and older
- 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.
Inclusion Criteria: * Adults (age ≥18 years old) * A BMI of ≥ 30 kg/m2 or a BMI ≥ 27 kg/m2 with at least one obesity complication (e.g., hypertension, dyslipidaemia) Exclusion Criteria: * Pregnant women or pregnancy during treatment * Previously treated for obesity (with pharmacotherapy, endoscopic treatment or metabolic-bariatric surgery) * Patients with diabetes
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Get notified about this study
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
10 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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NOK clinics
Amsterdam, Netherlands
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NOK clinics
Arnhem, Netherlands
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NOK clinics
Beverwijk, Netherlands
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NOK clinics
Gouda, Netherlands
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NOK clinics
Heerlen, Netherlands
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NOK clinics
Hoogeveen, Netherlands
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NOK clinics
Nieuwegein, Netherlands
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NOK clinics
Terneuzen, Netherlands
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NOK clinics
The Hague, Netherlands
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NOK clinics
Venlo, Netherlands
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