A blessing and curse of prostate cancer is it is often slow moving. The blessing and curse of the US FDA is it is always slow moving. What I can find on the status of transdermal estrogen for prostate cancer is it has not been approved (yet). If there is a newer FDA approved drugs list please let us know.
January 2021 FDA approved drugs for prostate cancer.
January 2021 Lancet article on PATCH (transdermal estrogen) trial results.
February 2021 Physican Weekly notice of PATCH testing results.
Links:
cancer.gov/about-cancer/tre...