Addition of High-Dose Vitamin D3 to Standard Treatment in Patients with Metastatic Colorectal Cancer: The SOLARIS Randomized Clinical Trial (Alliance A021703)
High-dose vitamin D3 added to standard treatment improved progression-free survival (PFS) compared to standard-dose vitamin D3 in patients with metastatic colorectal cancer (mCRC) in a phase 2 randomized clinical trial.