Can a new injectable drug safely tackle weight? an early trial seeks answers

NCT ID NCT07721597

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Last updated Aug 14, 2026 · Updated 3 times

Summary

This early-stage trial is testing whether an experimental drug called ZP6590 is safe and how the body processes it. The study includes men with normal weight, overweight, and obesity. Some participants receive a single dose of ZP6590 or a placebo, while others receive multiple doses over several weeks. The goal is to gather initial safety data and understand how the drug moves through the body.

What this could mean

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

Active substance
an experimental injectable drug called ZP6590
What this could lead to
If safe and well-tolerated, ZP6590 could become a new option for weight management.
What could go wrong
This is a very early, first-in-human trial with only 88 participants, so safety and effectiveness are not yet known. Side effects may emerge.

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

Early phase 1

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

Participants

About 88 people

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

Started

Jul 2026

Expected to finish

Sep 2027

An estimate. End dates often move.

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 to 60 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: SAD-Part: * Male participant * Age between 18 and 55 years, both inclusive * Body Mass Index (BMI) between 20.0 and 29.9 kg/m\^2, both inclusive MAD-Part: * Male participant * Age between 18 and 60 years, both inclusive * Body Mass Index (BMI) between 27.0 and 39.9 kg/m\^2, both inclusive Exclusion Criteria: SAD-Part and MAD-Part: * Any clinically significant abnormal haematology, biochemistry, or urinalysis screening tests, as judged by the investigator * Treatment for weight management within 3 months before randomization in this trial

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Conditions

The condition(s) this trial relates to.

Obesity Overweight

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.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Profil, Institut für Stoffwechselforschung GmbH

    RECRUITING

    Neuss, North Rhine-Westphalia, 41460, Germany

    Contact Email: •••••@•••••

    Contact Email: •••••@•••••

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