Can there be some treatment for down syndrome?

See below. Down's syndrome is not a curable disease. Instead it is a genetic malformation that produces the effects you can see, what we can do is help the child as it grows.
Supportive care. Initial treatment is focused of discovering any heart or other associated birth defects that need correction surgically. In infancy and childhood, infant stimulation programs, speech therapy, and monitoring for additional health needs is the norm. Through adolescence and adulthood, supporting a degree of semi independent living is possible for some.With good care, expected lifespan is over 60 yrs.