New PET scan may predict breast cancer drug success
NCT ID NCT02226276
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a special PET scan using a radioactive tracer can predict how well patients with advanced HER2-positive breast cancer respond to the drug T-DM1. Ten women with cancer that had spread to other parts of the body received the scan before treatment. The goal was to see if the scan's images could tell doctors which patients would benefit from T-DM1, helping avoid ineffective treatments.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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10 people
The number who actually took part.
- Start date
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Jan 2015
- Expected to finish
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Sep 2026
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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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: * Participants must be women who have histological confirmation of metastatic invasive breast cancer that has metastasized outside the region of the primary tumor and axilla; biopsy must be obtained prior to initiation of chemotherapy; it should be performed within 28 days prior to enrollment (patients with a biopsy of recurrent disease that is HER2-positive and have not received HER2-directed therapy since the biopsy can exceed the 28-day window up to 6 months); patients must have metastatic disease in lung, liver, soft-tissue or bone to qualify for the study (more than one site is permissible) * At least 1 site of metastasis \>= 20 mm in mean diameter must be identified * The cancer must over express HER2 as determined by immunohistochemistry (IHC) and/or fluorescence in situ hybridization (FISH) * Patients may not have received trastuzumab within 6 weeks of projected 64Cu-DOTA-trastuzumab/PET-CT * Participants must have normal cardiac ejection fraction * Ability to provide informed consent * Patients that may need dose reduction to commence cycle 1 treatment * Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 * Negative serum pregnancy test (female of childbearing potential only) * Patients must have adequate cardiac function; left ventricular ejection fraction (LVEF) \>= 50% as determined by multi gated acquisition (MUGA) scan or echocardiogram Exclusion Criteria: * Participants who have received trastuzumab within the prior 36 days * Participants who are not considered candidates for ado-trastuzumab-emtansine * No metastatic sites \>= 20 mm * Concurrent malignancy other than skin cancer - Inability to provide informed consent
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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.
Contacts and locations
Locations
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City of Hope Medical Center
Duarte, California, 91010, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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