Could a blood chemical explain bone pain in breast cancer?
NCT ID NCT03529565
First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time
Summary
This study looks at whether levels of histamine, a chemical in the blood, are linked to bone pain in people with breast cancer that has spread to the bones. Researchers will collect blood samples from participants and compare histamine levels with pain scores, including in those who have or haven't had palliative radiotherapy. The goal is to better understand the causes of cancer bone pain and potentially find new ways to reduce it or prevent further spread.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Blood sample collection for laboratory analysis
- What this could lead to
- If a link is found, it could point toward new ways to manage bone pain or slow bone metastasis in breast cancer.
- What could go wrong
- This is a small observational study, so any findings may not apply broadly. It does not test a treatment, so it cannot directly improve pain or outcomes.
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
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17 people
The number who actually took part.
- Started
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Jan 2019
- Finished
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Sep 2024
- 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.
Who is studied
Adults with breast cancer with radiographic evidence of bone metastases
- 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: * Breast cancer patients with radiographic evidence of bone metastases (by plain film, computed tomography \[CT\], magnetic resonance imaging \[MRI\], positron emission tomography \[PET\] or bone scan) within 8 weeks of registration * Weight bearing sites: pelvis (excluding pubis), femur, sacrum and/or sacroiliac joints, tibia, up to 5 consecutive cervical, thoracic or lumbar vertebral bodies, lumbosacral spine * Non-weight bearing sites: up to 3 consecutive ribs, humerus, fibula, radius +/- ulna, clavicle, sternum, scapula, pubis * Patients with and without pain related to the radiographically documented metastases are eligible for study * Ability to understand and the willingness to sign an Institutional Review Board (IRB)-approved informed consent document Exclusion Criteria: * Pregnant women will be excluded
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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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Wake Forest University Health Sciences
Winston-Salem, North Carolina, 27157, United States
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