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New PET scan probe could spot hidden tumors

NCT ID NCT07529002

Diagnosis Sponsor: Peking University Cancer Hospital & Institute Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new imaging probe called 89Zr-s-C1 that attaches to a protein (MUC18) found on some solid tumors. The goal is to see if this PET/CT scan can find tumors that standard scans miss. About 20 adults with newly diagnosed or recurring solid tumors (like melanoma or stomach cancer) will take part. The study focuses on improving how doctors detect and stage cancer, not on treating it.

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.

Participants

About 20 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Mar 2028

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.

Who is studied

Patients with pathologically confirmed newly diagnosed solid tumors

Ages

15 to 70 years

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.

Case inclusion criteria 1. Patients with pathologically confirmed newly diagnosed solid tumors (such as melanoma, gastric cancer, colorectal cancer, etc.), or those with recent recurrence or suspected recurrence of previous solid tumors. Both male and female patients are eligible. 2. Hematology, liver, and kidney function meeting the following criteria: Hematology: WBC ≥ 4.0×10⁹/L or neutrophil count ≥ 1.5×10⁹/L, PLT ≥ 100×10⁹/L, Hb ≥ 90 g/L; PT or APTT ≤ 1.5 × ULN. Liver and kidney function: T-Bil ≤ 1.5 × ULN, ALT and AST ≤ 2.5 × ULN (or ≤ 5 × ULN for subjects with liver metastases), ALP ≤ 2.5 × ULN (if bone or liver metastases are present, ALP ≤ 4.5 × ULN); BUN ≤ 1.5 × ULN, SCr ≤ 1.5 × ULN. 3. Expected survival ≥ 12 weeks. 4. Good compliance with follow-up. 5. Presence of at least one measurable target lesion according to RECIST 1.1 criteria. 6. Female subjects must use effective contraception (effective contraception refers to sterilization, intrauterine hormone devices, condoms, contraceptive pills/agents, abstinence, or vasectomized partner) during the study and for 6 months after the study ends; male subjects must agree to use contraception during the study and for 6 months after the study ends. 7. Subjects must fully understand and voluntarily participate in this trial, and sign the Informed Consent Form. Case exclusion criteria 1. Severe liver and kidney dysfunction. 2. Women preparing for pregnancy, pregnant, or breastfeeding. 3. Inability to lie flat for half an hour. 4. Inability to provide informed consent. 5. Suffering from claustrophobia or other psychiatric disorders. 6. Known allergy to the investigational drug or its excipients. 7. Other situations deemed unsuitable for trial participation by the researchers.

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Conditions

The condition(s) this trial relates to.

neoplasm

As listed by the trial registrant

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

Solid tumors

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

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Contacts and locations

Locations

  • Beijing cancer hosipitaal

    RECRUITING

    Beijing, Beijing Municipality, 100142, China

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