New scan technique aims to peek inside breast cancer treatment
NCT ID NCT04861077
First seen Jun 25, 2026 · Last updated Aug 18, 2026 · Updated 3 times
Summary
This pilot study tests whether a special type of PET/MRI scan can monitor how triple-negative breast cancer responds to immunotherapy. Twenty patients will get three scans over their first two treatment cycles. The results won't change their care but could help design larger studies to improve treatment monitoring.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- [18F]FMISO (a radioactive tracer used in PET scans)
- What this could lead to
- If successful, this imaging method could help doctors see early on whether immunotherapy is working for triple-negative breast cancer, potentially guiding treatment decisions in larger future trials.
- What could go wrong
- This is a very early pilot study with only 20 participants, and the scans are not used to change treatment. The results may not apply to all patients or lead to a proven benefit.
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
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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 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2027
An estimate. Start dates often move.
- Expected to finish
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Aug 2030
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 to 75 years
- Sex
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Female participants only
- 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: 1. Patients must be ≥ 18 years old and ≤ 75 years old 2. Triple negative breast cancer (TNBC) patients (biopsy-proven) stage II-IV eligible 3. \>50%Programmed death-ligand 1 (PD-L1) positive 4. Eligible for immunotherapy who are naïve to beginning any immunotherapy treatment 5. May not be pregnant or breastfeeding 6. Subjects must be willing to sign consent 7. Adequate creatinine clearance per institutional guidelines and within 30 days 8. Estimated life expectancy of greater than one year 9. Patients must have one lesion with RECIST measurable disease (greater than 1 cm in diameter, measured from diagnostic breast MRI or staging CT) Exclusion Criteria: 1. Inability to provide informed consent 2. Weight over 350 lbs., due to the scanner bore size 3. Lactating, known or suspected pregnancy. Women with child-bearing potential must a have a negative serum Human chorionic gonadotropin (β-hCG) pregnancy test within 48 hours or a negative urine β-hCG pregnancy test within 24 hours of each PET imaging study. 4. Contraindication for MRI study (e.g. non-removable metal implants or certain tattoos) 5. Unable to lie still on the imaging table for one (1) hour 6. contraindication for gadolinium-based contrast agent, ProHance (gadoteridol) 7. Have received immunotherapy in the neoadjuvant or adjuvant setting
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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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UAB
RECRUITINGBirmingham, Alabama, 35249, United States
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