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Healthy volunteers help test new imaging agent

NCT ID NCT06398730

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 early-stage study tested the safety and how the body handles two experimental drugs (GEH200521 and GEH200520) given together to 22 healthy adults. The goal was to see if the drugs are safe and how they spread through the body using PET scans. This study does not aim to treat any disease.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

22 people

The number who actually took part.

Started

Jul 2024

Finished

Feb 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

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.

Inclusion Criteria: * The subject is able and willing to comply with all study procedures as described in the protocol, and has read, signed, and dated an informed consent form prior to any study procedures being performed. * The subject is male or female ≥18 years of age. * The subject has a body mass index (BMI) ≥18 and ≤35 kg/m2. * The subject has no history of chronic medical illness or symptoms of active illness per Investigator's assessment. * The subject has no clinically significant deviation from normal ranges in physical examination, ECG, and clinical laboratory parameters. * Female and male contraception methods. Exclusion Criteria: * Subject is using prescribed and/or non-prescribed medication which in the Investigator's opinion might impact subject safety or the study results. * Subject has a known or suspected allergy to IMP and/or IMP ingredients. * Subject has had a surgery within 8 weeks prior to enrollment or a surgery is scheduled during the study. * Subject has been enrolled in this or another interventional clinical study within the 30 days before screening for this study or is actively participating in another clinical study with IMP(s). * Subject has been enrolled in another clinical study with radiation or exposed to radiation due to medical practice, which in the Investigator's opinion might impact subject safety or the study results. * Subject is pregnant, planning to become pregnant, or is lactating. * Creatinine and liver function laboratory values higher than 1.5x upper limit ranges per local site clinical practice.

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As listed by the trial registrant

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

Contacts and locations

Locations

  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37232, United States

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