Dutasteride
Dutasteride is another 5 alpha reductase inhibitor. It blocks, receptors 1 and 2, Finesteride also blocks receptor 2. The effect of Dutasteride is to decrease OHT. It has been approved in the U.S for Benign Prostatic Hypertrophy in November 2002. It is still undergoing phase II and phase III trials for hair loss. The results do look promising. Similar to Finestride, it will have some side effects on male sexual function. It should be available around 2005-2006.