WinQ : a Window of Opportunity Study With MitoQ in Breast Cancer

This study is testing whether a supplement called MitoQ — which targets the energy-producing parts of cells (mitochondria) — can affect the behavior of triple-negative breast cancer (TNBC) before surgery. Researchers will look at tumor changes during a short treatment window before standard surgery or chemotherapy begins. **You may be eligible if...** - You are a woman aged 18 or older - You have been diagnosed with triple-negative breast cancer (TNBC) confirmed by biopsy - You have a good general health status - You are willing to undergo standard surgical or systemic treatment after the study window **You may NOT be eligible if...** - You are male - You have already received treatment for your current breast cancer - You have a known allergy to MitoQ - You have active hepatitis, HIV with detectable virus, or active tuberculosis - You are pregnant, breastfeeding, or planning to become pregnant during the study - You have had a severe infection within the past 4 weeks Talk to your doctor to see if this trial is right for you.