Plain-English translation of NCT04442412 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
Phase 3 — Testing in thousands of people, comparing the treatment against what doctors currently use. This is the last big step before approval.
This trial is testing whether vitamin D supplementation combined with standard lymphoma treatment (prednisone followed by immunochemotherapy) works better than standard treatment alone in older adults with diffuse large B-cell lymphoma. One group will receive prednisone and standard chemotherapy, while the other group will receive prednisone, high-dose vitamin D supplements, and the same chemotherapy. Researchers want to see if the medication helps improve treatment outcomes and overall health.
Older patients with this type of lymphoma often have low vitamin D levels, which may weaken their immune systems and ability to tolerate treatment. This study aims to find out whether boosting vitamin D during cancer treatment could help patients tolerate therapy better and improve survival.
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If you enroll, you will be randomly assigned to one of two groups. Both groups will take prednisone for 7 days before starting chemotherapy, then receive 6 rounds of chemotherapy (either the standard or a gentler version) given every 3 weeks over about 4.5 months. If you are in the vitamin D group, you will also take daily vitamin D supplements at the start, then weekly supplements throughout your chemotherapy. You will have regular clinic visits for blood tests, imaging scans, and check-ups to monitor your health and how well the treatment is working.
AI-generated summary from trial data · Jul 21, 2026 · Not medical advice
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