PLASMA LEVELS OF NORETHINDRONE AFTER SINGLE ORAL DOSE ADMINISTRATION OF NORETHINDRONE AND LYNESTRENOL

1979 ◽  
Vol 10 (1) ◽  
pp. 29-38 ◽  
Author(s):  
V. ODLIND ◽  
E. WEINER ◽  
A. VICTOR ◽  
E. D. B. JOHANSSON
1997 ◽  
Vol 41 (6) ◽  
pp. 756-757 ◽  
Author(s):  
Brian A. Lawlor ◽  
Jeanne Radcliffe ◽  
Rick Martinez ◽  
Trey Sunderland ◽  
Dennis L. Murphy

2013 ◽  
Vol 95 (1) ◽  
pp. 225-230 ◽  
Author(s):  
Sharon A. Center ◽  
John F. Randolph ◽  
Karen L. Warner ◽  
Kenneth W. Simpson ◽  
Mark Rishniw

1970 ◽  
Vol 50 (1) ◽  
pp. 49-54 ◽  
Author(s):  
H. M. CUNNINGHAM

Five experiments were conducted with growing pigs to determine the biological half-life of caffeine after injection or various periods of ingestion. Peak plasma caffeine levels were reached within 5 hr after a single oral dose and 2 hr after intramuscular injection, and then declined with a biological half-life of about 12 hr. The caffeine content of tissues was approximately proportional to their water content and 6% of orally administered caffeine was excreted in the urine. Upon continuous ingestion of caffeine, peak plasma levels were reached within 2 days, indicating that accumulation was quite limited. When 1.5 g of caffeine per kg of feed was fed from weaning to market weight, the withdrawal of caffeine 2 days prior to slaughter was sufficient time to insure that caffeine levels in the liver, muscle, kidney and backfat were below 1 μg/g.


1983 ◽  
Vol 102 (1) ◽  
pp. 111-115
Author(s):  
P. Loli ◽  
F. Frascatani ◽  
D. Gelli ◽  
M. Maggioni ◽  
F. Muratori ◽  
...  

Abstract. In 14 patients with Addison's disease plasma levels of ACTH were studied after administration of a single oral dose (16 mg) of cyproheptadine. The drug administration was followed by an inhibition of ACTH release. These results support the view that cyproheptadine may exert an inhibitory effect on ACTH secretion in subjects whose corticosteroid feedback mechanism is normal. We hypothesize that the effect of cyproheptadine might be related to its anti-serotonin or anti-histaminergic action.


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