Estrogen-only hormone replacement therapy after risk-reducing bilateral oophorectomy was associated with lower breast cancer risk in women with BRCA1 pathogenic variants. In 919 women followed for an average of 8.8 years, incident breast cancer was lower among HRT users than nonusers.
A JAMA Network Open study found high-dose vitamin D may reduce progression from prediabetes to type 2 diabetes in people with certain vitamin D receptor genotypes. In participants with ApaI CC or AC alleles, risk fell 19% versus placebo, while no reduction was seen in those with ApaI AA alleles.
A JAMA Network Open study reveals roughly half of metastatic cancer patients receive genomic testing, with disparities affecting low-income, Medicare/Medicaid, and minority patients. The research highlights gaps in accessing targeted therapies despite cancer survival improvements.
