Breast cancer chemo may disrupt calcium balance, study finds
NCT ID NCT03249389
First seen Mar 16, 2026 · Last updated Jun 23, 2026 · Updated 9 times
Summary
This study tracked 146 breast cancer patients receiving standard chemotherapy after surgery. Researchers measured calcium and vitamin levels in blood and urine before, during, and after 6 treatment cycles. The goal was to see how often patients develop high urine calcium (hypercalciuria) and how vitamin balance changes. This is an observational study, not a treatment trial.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Institut régional du Cancer de Montpellier
Montpellier, 34298, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could help doctors better manage calcium and vitamin imbalances during breast cancer chemotherapy.
What could go wrong
This is an observational study, not a treatment trial. It only measures changes, so it won't directly improve outcomes or cure disease.
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.