Alteration by prolonged oral administration of a thyrotropin-releasing hormone analog, TA-0910, of the pituitary-thyroid axis in subjects with brain stroke.
We evaluated whether prolonged oral administration of a novel analog of thyrotropin-releasing hormone (TRH), TA-0910, may change the pituitary-thyroid axis in human subjects with brain stroke. The subjects were given one oral dose of 2.5-20 mg of TA-0910 daily for 8 weeks, and then blood levels of TA-0910, thyroid hormones and thyrotropin (TSH) were measured. Plasma levels of TA-0910 were elevated with increasing doses. After administration of TA-0910, the basal levels of thyroid hormones and TSH had a tendency to increase and decrease, respectively, but those changes remained in the normal range. The secretion of TSH in response to TRH was not significantly affected by TA-0910 administration. No significant changes in other pituitary hormones were observed after TA-0910 administration. The present data indicate that prolonged oral administration of TA-0910 did not significantly alter the pituitary-thyroid axis in subjects with brain stroke.
Miyashita
K
K
First Department of Internal Medicine, Gunma University School of Medicine, Maebashi.
Murakami
M
M
Satoh
T
T
Monden
T
T
Yamada
M
M
Iriuchijima
T
T
Kazihara
A
A
Mori
M
M
D000284:Administration, Oral; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002561:Cerebrovascular Disorders / Q000097:blood / Q000188:drug therapy* / Q000503:physiopathology; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D013006:Growth Hormone / Q000097:blood; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D008875:Middle Aged; D010902:Pituitary Gland / Q000187:drug effects* / Q000503:physiopathology; D011388:Prolactin / Q000097:blood; D013961:Thyroid Gland / Q000187:drug effects* / Q000503:physiopathology; D013972:Thyrotropin / Q000097:blood; D013973:Thyrotropin-Releasing Hormone / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood / Q000494:pharmacology
C065049:TA 0910; D013973:Thyrotropin-Releasing Hormone; D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone; D013972:Thyrotropin; D013006:Growth Hormone