ALPHA-Amylase activity in sweat and serum of patients with cystic fibrosis of the pancreas.

The hypothesis by Doggett and Harrison, according to which alpha- amylase is 
the pathogenic factor of the exocrinopathy in cystic fibrosis (C.F.), is 
investigated.No elevation of alpha-amylase in sweat and serum of C.F. patients, 
as compared with controls of similar age, is observed. It is 
concluded that the "C.F. factor" cannot be identified with alpha-amylase. 