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New scan could reveal hidden kidney cancer

NCT ID NCT07671417

Diagnosis Sponsor: RayzeBio, Inc. 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This early-phase study tests a new imaging agent called RYZ512 in 10 people with advanced clear cell kidney cancer that has spread. The agent is designed to attach to a protein (CAIX) found on these cancer cells, making them show up on scans. The goal is to see if it is safe and how it spreads through the body, not to treat the cancer.

What this could mean

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

Active substance
RYZ512 (imaging agent)
What this could lead to
If successful, this could lead to a better way to see where kidney cancer has spread, helping doctors plan treatment.
What could go wrong
This is a very early, small study (10 people) focused on imaging, not treatment. The tracer may not work as hoped or could cause side effects.

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 10 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Jan 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 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * At least 18 years old at the time of signing the informed consent form (ICF). * Biopsy proven metastatic clear cell renal cell carcinoma (RCC) Exclusion Criteria: * Subjects taking below mentioned medications that cannot be stopped 5 half-lives prior to RYZ512 administration and cannot be restarted until all study-related imaging is completed: Anticonvulsants, Antipsychotics, Carbonic Anhydrase inhibitors, COX-2 Inhibitors, Sulfatase Inhibitors, Sulfonamides * Women of Childbearing Potential that are pregnant or breastfeeding. Note: Additional criteria may apply and will be assessed by the study site

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Conditions

The condition(s) this trial relates to.

clear cell renal carcinoma Clear-cell metastatic renal cell carcinoma

As listed by the trial registrant

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

Metastatic clear cell renal cell carcinoma

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

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

    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

  • Research Facility

    Christchurch, New Zealand

More trials for these conditions

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