Divergent Boundaries. Divergent boundaries occur where plates are spreading apart. This spreading is caused by convective forces in the molten magma below them. As they slowly spread apart, this fluid basalt lava fills the gap and quickly solidifies, forming new oceanic crust.
Xtandi costs $7,450 per month. The average treatment course is eight months, so the cost of Xtandi is usually about $60,000 for a full course of treatment. Additional costs for doctor visits, co-pays, deductibles, parking fees, and travel expenses are not included in this amount.
Payers â and patients via co-paysâare being asked to fork out roughly $1600 more for monthly Xtandi than for Zytiga (based on the $7540 monthly wholesale acquisition cost announced by Medivationâs executives when Xtandi was approved August 31) for 6 additional days of survival.