the most expensive drug in the world

$3.5 million is the price for the world's most expensive drug
Australian pharmaceutical company CSL on November 23 set the list price of its drug to treat hereditary hemophilia B at $3.5 million per dose, Reuters reported.
The most expensive drug in the world is approved by the US FDA
The US FDA has approved the world's most expensive drug at a price of 4.25 million USD per dose to treat rare diseases in children.
The US launched the world's most expensive drug, which cost $ 850,000
The announcement comes amid US public debate over the high cost of medicines, especially for treatments that are thought to be innovative.