Can a simple blood test reveal how breast cancer drugs work?
NCT ID NCT01553903
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether it's possible to measure certain substances called oxysterols in the blood of breast cancer patients. 29 women taking hormonal therapy (tamoxifen or anti-aromatase drugs) had their blood tested before and 28 days after starting treatment. The goal was to see if these measurements are feasible, not to change treatment.
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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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Institut Claudius REGAUD
Toulouse, 31052, France
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