Complex sentence: At present, there is no known treatment for achondroplasia even though now that the cause of the mutation in the growth factor receptor has been found, therapies and diagnostic methodologies are likely to be looked into and developed.
Split into simpler sentences: At present, there is no known treatment for achondroplasia, even though the cause of the mutation in the growth factor receptor has been found. Therapies and diagnostic methodologies are likely to be looked into and developed.