Abstract:
:Based on the known trophic effects of growth hormone (GH) on nerve and muscle 75 patients with ALS were treated for up to 18 months with synthetic human growth hormone (Protropin) or a placebo. The course of ALS was assessed serially using a quantitative (TQNE) neuromuscular and manual exam (MRC) and laboratory chemistries. Average insulin-related growth factor (IGF-I) values increased from 1.2 to 2.3 U/mL in the treated group. Surprisingly, serum insulin levels did not increase. Hyperglycemia was noted in only 2 patients of the 38 patients receiving hGH, and this resolved with cessation of treatment. Over the 12 months of treatment there were 11 deaths (6 controls, 5 treated). Survival analysis, performed approximately 12 months following cessation of treatment, did not reveal a difference between the treatment and placebo group. The TQNE scores declined inexorably in both the control and treated group. Retrospective analysis of the TQNE data indicated a poor prognosis for patients who lost arm strength early. A correlation between the TQNE and MRC scores was evident at early stages of motor unit loss, less so when muscle weakness was advanced.
journal_name
Muscle Nervejournal_title
Muscle & nerveauthors
Smith RA,Melmed S,Sherman B,Frane J,Munsat TL,Festoff BWdoi
10.1002/mus.880160608subject
Has Abstractpub_date
1993-06-01 00:00:00pages
624-33issue
6eissn
0148-639Xissn
1097-4598journal_volume
16pub_type
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