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Can a new PET tracer light up hidden cancers?

NCT ID NCT07760012

Diagnosis Sponsor: Peking University Third Hospital Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time

Summary

This trial is testing whether a new radioactive tracer, called 68Ga-SorB, can help doctors see certain solid tumors on PET/CT scans. The tracer targets sortilin, a protein that is often found on cancer cells. About 50 adults with melanoma, liver, lung, breast, pancreatic, or ovarian cancer will receive the tracer and then have a whole-body scan. The images will be compared with standard scans and biopsy results to see if the new tracer is safe, feasible, and accurate at detecting tumors.

What this could mean

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

Active substance
68Ga-SorB, an experimental radioactive tracer for PET/CT imaging that targets sortilin, a protein found on some tumor cells
What this could lead to
If successful, this could lead to a new imaging method that helps detect and map certain cancers more precisely, and may pave the way for targeted treatments.
What could go wrong
This is an early, exploratory study with a small number of participants. The tracer may not reliably highlight tumors, and its safety and accuracy are still unproven.

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 50 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Dec 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.

Ages

18 to 75 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.

Inclusion Criteria: * \- Adults aged 18 to 75 years. * Histologically confirmed or clinically suspected melanoma, hepatocellular carcinoma, lung cancer, breast cancer, pancreatic cancer, or ovarian cancer. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Adequate hematologic, hepatic, renal, and coagulation function: * White blood cell count ≥ 4.0 × 10\^9/L or absolute neutrophil count ≥ 1.5 × 10\^9/L; * Platelet count ≥ 100 × 10\^9/L; * Hemoglobin ≥ 90 g/L; * PT or APTT ≤ 1.5 × upper limit of normal (ULN); * Total bilirubin ≤ 1.5 × ULN; * ALT and AST ≤ 2.5 × ULN (or ≤ 5 × ULN for participants with liver metastases); * ALP ≤ 2.5 × ULN (or ≤ 4.5 × ULN for participants with bone or liver metastases); * Blood urea nitrogen and serum creatinine ≤ 1.5 × ULN. * Normal cardiac function. * Estimated life expectancy of at least 12 weeks. * Willing and able to comply with study procedures and follow-up. * At least one measurable target lesion according to RECIST version 1.1. * Participants of childbearing potential agree to use effective contraception during the study and for 3 months after PET/CT imaging. * Clinically indicated to undergo 18F-FDG PET/CT for tumor evaluation. * Able to understand the study procedures and provide written informed consent. Exclusion Criteria: * Pregnant or breastfeeding women. * Severe dysfunction of major organs (including heart, liver, or kidney) that, in the investigator's judgment, would make participation inappropriate. * Inability to tolerate PET/CT imaging or complete study follow-up. * Any other condition that, in the investigator's judgment, makes the participant unsuitable for the study.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm hepatocellular carcinoma lung cancer lung neoplasm malignant pancreatic neoplasm melanoma neoplasm ovarian cancer pancreatic neoplasm

As listed by the trial registrant

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

Breast cancer Hepatocellular carcinoma Lung cancer Melanoma (skin cancer) Ovarian cancer Pancreatic cancer

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

  • Peking University Third Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100191, China

More trials for these conditions

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