The diagnosis of GH deficiency (GHD) in adults is based on a reduced GH response to provocative tests, such as the insulin tolerance test (ITT) and the GHRH + arginine (ARG) test. However, the cut-off limits of peak GH response in lean subjects are not reliable in obese patients; this is noteworthy since adult GHD is often associated with obesity. To date there are no cut-offs to ITT related to body mass index (BMI).
THE CUT-OFF LIMITS OF GH RESPONSE TO INSULIN TOLERANCE TEST RELATED TO BODY MASS INDEX FOR THE DIAGNOSIS OF ADULT GH DEFICIENCY
Gasco, Valentina;Bisceglia, Alessandro;Prencipe, Nunzia;Cambria, Valeria;Bioletto, Fabio;Ghigo, Ezio;Maccario, Mauro;Grottoli, Silvia
2020-01-01
Abstract
The diagnosis of GH deficiency (GHD) in adults is based on a reduced GH response to provocative tests, such as the insulin tolerance test (ITT) and the GHRH + arginine (ARG) test. However, the cut-off limits of peak GH response in lean subjects are not reliable in obese patients; this is noteworthy since adult GHD is often associated with obesity. To date there are no cut-offs to ITT related to body mass index (BMI).
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