New PET tracer may reveal hidden cancer targets
NCT ID NCT07577206
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tests a single dose of a new radioactive tracer called [68Ga]Ga-R54, which attaches to a protein (CXCR4) found on some cancer cells. Ten adults with advanced solid tumors or multiple myeloma will receive the tracer and then have a PET/CT scan to see where it goes in the body. The goal is to measure how well the tracer binds to tumors and how it moves through the blood, which could help improve cancer imaging in the future.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 10 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Patients \> 18 years * Patients with histological diagnosis of solid neoplasm (breast, lung, colon, ovary, pancreas) in advanced stages or multiple myeloma evaluated by PET/CT with \[18F\]FDG carried out in the 3 months prior to enrollment. The neoplasm must express the CXCR4 receptor by immunohistochemistry * Patients with ECOG performance status 0-2, able to undergo the scheduled diagnostic procedure (PET/CT with \[68Ga\]Ga-R54). * Patients with alkaline phosphatase (AP), alanine aminotransferase (ALT), and aspartate aminotransferase \<3 x upper limit of reference range and total bilirubin \<2.0 mg/dL * Patients with creatinine \< 1.5 x upper limit of reference range or 24-hour creatinine clearance \> 50 mL/min * Negative serum pregnancy test (b-hCG) for women of childbearing age before administration of \[68Ga\]Ga-R54). * Signature of informed consent indicating that the patient (or legal representative) has been informed of all aspects pertinent to the study * Willingness and ability to comply with scheduled visits, laboratory tests and other study procedures. Exclusion Criteria: * Presence of active infections (e.g. requiring antibiotic therapy) or other serious concomitant illness, which, in the opinion of the investigator, would place the patient at undue risk or interfere with the study * Declared chronic active hepatitis (hepatitis B / C) * Declared active autoimmune diseases * Recovery from major trauma including surgery within 4 weeks of study enrollment * Presence of neurodegenerative diseases * Pregnancy and/or breastfeeding * Any conditions that in the opinion of the investigator could hinder compliance with the study protocol * Patients who have not signed consent to participate in the study
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Conditions
The condition(s) this trial relates to.
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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Istituto Nazionale Tumori Fondazione G. Pascale - SC Medicina Nucleare e Terapia Metabolica
RECRUITINGNaples, Italia, 80131, Italy
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Other studies related to the condition(s) this trial covers.
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- Experimental injection SHR-7787 put to the test against advanced solid tumors
- Can myeloma treatment work without steroids?