Can usual interstitial pneumonia be cured?

Interstitial Pneumon: Interstitial pneumonia is called idiopathic pulmonary fibrosis when cause is not known.Known causes are rhematoid arthritis, syst sclerosis/scleroderma , asbestosis and Nitrofurantoin toxicity.It is rapidly progressive disease and leads to respiratory failure and death.Some patients do well for a while, than they deteriorate rapidly with acute illness.Median survival is 3 to 4 years in most studies.