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New hope for patients with less common breast cancer

  • Researchers reported an interim analysis in 2025 showing a new treatment for HER2-positive metastatic breast cancer improved median progression-free survival in a global study.
  • This study compared the new drug trastuzumab deruxtecan combined with pertuzumab against the current standard THP, which uses chemotherapy plus two antibodies, to target cancer growth signals.
  • After 2.5 years, patients treated with both T-DXd and pertuzumab had a 44 percent lower chance of their cancer worsening or resulting in death, and 15 percent experienced complete remission of their cancer.
  • An interim analysis showed that patients receiving the new therapy experienced a median progression-free survival of 40.7 months, compared to 26.9 months for those treated with the standard THP regimen, with oncologist Sara Tolaney noting this represents nearly twice the duration of cancer control.
  • The results, deemed a new first-line standard treatment option, will be submitted to regulators worldwide and may improve outcomes for this less common breast cancer subtype lacking major drug advances over a decade.
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New hope for patients with less common breast cancer

A new treatment nearly halves the risk of disease progression or death from a less common form of breast cancer that hasn't seen major drug advances in over a decade, researchers reported Monday.

A new treatment reduces the risk of progression by nearly 50% and even dozens due to a certain form of breast cancer, for which significant therapeutic progress has not been made over 10 years.

·Bucharest, Romania
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KULR-TV broke the news in Billings, United States on Monday, June 2, 2025.
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