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MRI study aims to unravel why some people feel dizzy after eating

NCT ID NCT07381816

Knowledge-focused Sponsor: University of Copenhagen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
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)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
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

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses MRI scans to measure blood flow in the gut after drinking sugar water in people with postprandial hypotension (a drop in blood pressure after meals) and healthy volunteers. Researchers will test whether blocking a hormone called GIP changes blood flow patterns. The goal is to better understand what causes this condition, not to test a new treatment.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
GIP(3-30)NH2 infusion, hangrip exercises, saline infusion
What this could lead to
If successful, this could clarify how gut blood flow changes after eating in people with postprandial hypotension, potentially pointing toward new ways to manage the condition.
What could go wrong
This is a small, early-stage observational study with only 30 participants. It is not testing a treatment, so it may not lead directly to any therapy.

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

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

May 2027

An estimate. End dates often move.

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

18 to 90 years

Sex

Anyone

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.

For the PPH group Inclusion Criteria: * Postprandial hypotension * Symptoms of postprandial hypotension Exclusion Criteria: * Treatment with drugs that cannot be paused for 12 hours * Metallic implants that does not tolerate MRI * Any other disease or dysfunction that may disturb blood flow to the gut * Intake of more than 14 units of alcohol per week or abuse of drugs * Blood vessels that are not feasible for measuring flow in the MRI scanner * Low blood percent * Decreased kidney function * Decreased liver function * Claustrophobia For the healthy group Inclusion Criteria: * Matched by age, gender and BMI Exclusion Criteria: * Postprandial hypotension * Metallic implants that does not tolerate MRI * Intake of more than 14 units of alcohol per week or abuse of drugs * Blood vessels that are not feasible for measuring flow in the MRI scanner * Low blood percent * Decreased kidney function * Decreased liver function * Claustrophobia * Autonomic dysfunction or other disease that cause changes in blood pressure during or after a meal * Intake of pharmaceutical products that influence the blood pressure

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Conditions

The condition(s) this trial relates to.

postprandial hypotension

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Blood flow Healthy Postprandial hypotension

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • Glostrup hospital

    Glostrup Municipality, 2600, Denmark

More trials for these conditions

Other studies related to the condition(s) this trial covers.