Postprandial profiles of metabolites and appetite-regulating hormones in plasma and cerebrospinal fluid

NCT ID NCT06115304

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Recruitment status, easiest to join first

Recruiting now
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Not yet recruiting
Registered, but not yet taking participants.
By invitation only
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Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
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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)

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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

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Status unknown
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First seen Oct 23, 2026 · Last updated Oct 23, 2026

Summary

Overweight and obesity are rising in prevalence and becoming a growing threat to public health. Obesity is associated with an increased all-cause mortality, impaired quality of life, and numerous of disorders. Therapeutic strategies against obesity - which include an abundance of dietary and physical training programmes and pharmaceutical drugs to increase energy expenditure or limit appetite or gastro-intestinal fat absorption - have shown limited success on long term weight loss. Thus, overweight and associated conditions is becoming the new normal and there is a need for better understanding gut-to-brain signalling, hormonal and metabolic disturbances in overweight individuals. The purpose of this health science research project is to describe the coinciding plasma and cerebrospinal fluid (CSF) profiles of selected biomarkers after co-ingestion of a meal and model pharmaceuticals in patients with overweight and/or type 2 diabetes compared to healthy control individuals.

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Study facts

What this study's own registry entry says, in plain language.

Phase

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

24 people

The number who actually took part.

Started

Oct 2023

Finished

Aug 2024

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 70 years

Sex

Male 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: * 10 male patients with obesity (BMI \>30) and type 2 diabetes * 10 male volunteers with normal weight (BMI 20-24) matched by age * 10 male volunteers with obesity (BMI \>30) matched by age Exclusion Criteria: 1. Unwillingness to participate or wish to withdraw from ongoing protocol 2. Hepatic disease or hemorrhagic diatheses (including abnormal International Normalized Ratio (INR), bilirubin, blood levels of thrombocytes, alanine-aminotransferase (ALAT)) 3. Anticoagulant treatment (e.g. treatment with warfarin, apixaban or another oral anticoagulant) 4. Anaemia (p-hemoglobin below normal range) 5. Nephropathy (se-creatinine \>130 μM and/or albuminuria) 6. Suspected difficult access to the spinal canal (e.g. pronounced scoliosis, spinal stenosis, osteoporotic coincidence in the lower back, spina bifida, meningocele after surgical intervention) 7. Lumbar skin infection (e.g. herpes zoster, pustules or ulcers) 8. Medical history with headaches - both in connection with dura puncture and frequent headaches of other types 9. Central nervous system disease (including dementia, previous stroke, multiple sclerosis, epilepsy, etc.) 10. Clinical suspicion of increased intracranial pressure (headaches, visual disturbances etc.) 11. Patients with type 2 diabetes: Treatment with DPP-4 inhibitor or GLP-1 receptor agonist. Late diabetic complications including proliferative diabetic retinopathy (anamnestic), arteriosclerotic cardiovascular disease (heart failure or previous ischemic event/myocardial infarction)

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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

  • Deparrtment of clinical pharmacology

    Copenhagen, 2400, Denmark

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