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 27, 2026 12:03 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 27, 2026 08:03 UTC
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Immune system secrets in advanced breast cancer under the microscope
Knowledge-focused TerminatedThis observational study aimed to measure different types of immune cells in women with advanced breast cancer that has spread. Researchers collected blood and leftover tumor samples to see how these cells change over time. The study was terminated early, so only a small number o…
Sponsor: Spanish Breast Cancer Research Group • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC