The American Journal of Digestive Diseases

, Volume 6, Issue 2, pp 110–112 | Cite as

Clinical Experience With Crystalline Insulin

  • Abel Levitt
  • Stanley J. Jaskiewicz


We have compared the effects of crystalline insulin to regular and protamine insulin. In general a somewhat larger amount of crystalline insulin was required to standardize a patient as compared to regular insulin, but the number of injections were less and the blood sugar levels approximated the normal over a longer period of time. Protamine insulin seemed to give the best results. Smaller amounts were required and the blood sugar was kept at a more normal level with less frequent injections. The use of two types of insulin in the same patient is in many instances unsatisfactory.


Duodenal Ulcer Blood Sugar Protamine Esophageal Varix Blood Sugar Level 
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    Freund, H. A. and Adler, Sidney: The Effects of Standard, Protamine and Crystalline Insulin on Blood Sugar Levels.J. A. M. A., 107, 573–577, 1936.Google Scholar

Copyright information

© Springer-Verlag 1939

Authors and Affiliations

  • Abel Levitt
  • Stanley J. Jaskiewicz

There are no affiliations available

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