Is the HIF-PHI class of next-generation kidney drugs doomed in the U.S.?

Is the HIF-PHI class of next-generation kidney drugs doomed in the U.S.?

Source: 
MedCity News
snippet: 

Kidney disease patients need access to innovative therapies to expand treatment choices and improve quality of life. The FDA should closely examine whether it is applying the appropriate benefit/risk assessment for new drugs intended for this population.