Spanish Breast Cancer Research Group
Clinical trials sponsored by Spanish Breast Cancer Research Group, explained in plain language.
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Promising breast cancer drug tested in resistant patients – but trial cut short
Disease control TerminatedThis phase 2 trial aimed to see if trastuzumab deruxtecan (Enhertu) could help people with HER2-positive breast cancer that had spread and did not respond to standard first-line therapy. Only 2 participants were enrolled before the study was terminated early, so the results are v…
Phase: PHASE2 • Sponsor: Spanish Breast Cancer Research Group • Aim: Disease control
Last updated Jun 23, 2026 12:09 UTC
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New drug cocktail shows promise for Hard-to-Treat breast cancer
Disease control TerminatedThis study tested a combination of three drugs—tucatinib, trastuzumab, and vinorelbine—in 13 people with HER2-positive breast cancer that had spread or could not be surgically removed. The goal was to see how many patients' tumors shrank or disappeared. The trial was terminated e…
Phase: PHASE2 • Sponsor: Spanish Breast Cancer Research Group • Aim: Disease control
Last updated Jun 22, 2026 11:57 UTC
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Scientists study immune cells in advanced breast cancer patients
Knowledge-focused TerminatedThis study looked at immune cells in the blood and tumor tissue of people with advanced breast cancer that has spread. The goal was to measure different types of natural immune cells and see how they relate to cancer progression. About 32 patients and 6 healthy volunteers provide…
Sponsor: Spanish Breast Cancer Research Group • Aim: Knowledge-focused
Last updated Jun 11, 2026 12:10 UTC