Plain-English translation of NCT06642428 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
Researchers are testing whether vitamin D2, given as regular injections, can help improve breast cancer treatment outcomes and reduce harsh side effects when added to standard chemotherapy. You would receive the same chemotherapy as usual, but half of participants would also get vitamin D2 injections every three weeks. The researchers want to see if this simple addition makes the treatment more tolerable and effective.
Some early research suggests that vitamin D may help the body handle chemotherapy better and strengthen the immune response against cancer. This trial will test whether adding this medication to standard treatment actually makes a real difference in how patients feel and how well their cancer responds.
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You would come to the clinic at the start of treatment and then every three weeks for the duration of your chemotherapy (typically several months). One group receives only standard chemotherapy, while the other group receives the same chemotherapy plus vitamin D2 injections. Blood tests and imaging scans will be done before treatment starts and after every two cycles to track how well the treatment is working and what side effects you're experiencing.
AI-generated summary from trial data · Jun 3, 2026 · Not medical advice
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