How would you treat pattern hair loss in a woman on aromatase inhibitors for breast cancer?

I treat with topical or oral minoxidil. Spironolactone is considered safe. I avoid 5alpha reductase inhibitors, both topical and oral, in patients with a history of estrogen receptor-positive breast cancer. Topical 5α reductase inhibitors must be absorbed systemically for any benefit.

Other tools for pattern hair loss can be used as well (ketoconazole shampoo, etc.).