A meta-analysis/systematic review suggested those with low selenium concentrations and Hashimoto thyroiditis may benefit from selenium supplementation.
Omega-3 fatty acid supplements prevented autoimmune diseases for 2 years after cessation, but vitamin D's effects tapered off, suggesting that continuous dosing is warranted.
Interim findings from the ongoing AMBASSADOR trial revealed a significant DFS benefit with adjuvant pembrolizumab but no overall survival benefit at this point.