A simple single-gene test can guide chemotherapy dosing and help prevent toxicity common to a particular three-drug regimen, according to preliminary results presented last week at the American Society of Clinical Oncology in Orlando, Fla., by researchers from the Mayo Clinic.

The three drugs — irinotecan, oxaliplatin, and capecitabine — are considered the best chemotherapeutics for gastrointestinal cancer, Matthew Goetz, an assistant professor of oncology at the Mayo Clinic in Rochester and head researcher of the study, told Pharmacogenomics Reporter.

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Researchers find that a personalized medicine approach could help people who experience pain while taking statins, New Scientist reports.

US National Science Foundation is continuing its responsible research conduct training policy despite its flaws, ScienceInsider reports.

A CRISPR-themed meeting explored how the tool could and should be used, Wired reports.

In Science this week: database of proteins' effects on cancer, targeted error correction sequencing, and more.