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http://www.ncbi.nlm.nih.gov/pubmed/8852867
Growth hormone (GH) response and baclofen levels were measured in seven healthy adult men following a 10-mg and a 20-mg dose of oral baclofen (gamma-aminobutyric acidB agonist) to determine the preferred dose in baclofen challenge studies. Multivariate analysis of variance (ANOVA) with repeated measures revealed no differences between the doses. However, when a univariate ANOVA with repeated measures was performed for each dose, the 10-mg dose showed no significant GH response over time, whereas the 20-mg dose showed a significant GH response over time. The average delta GH (change in GH from baseline) was 7.84 ng/ml (SD = 10.17) for the 10-mg dose and 3.34 ng/ml (SD = 3.64) for the 20-mg dose. The variability in the delta GH response to the 10-mg dose was significantly greater than the response to the 20-mg dose of baclofen. This variance in GH response was not explained by the differences in serum baclofen levels. Thus, a 20-mg baclofen dose appears to be preferable to a 10 mg-dose in baclofen challenge studies.
http://www.ncbi.nlm.nih.gov/pubmed/16554457
Patients with chronic spinal cord injury (SCI), a condition associated with reduced physical function, have been reported to have lower plasma insulin-like growth factor-I (IGF-I) levels than able-bodied persons. We evaluated the potential for daily low-dose baclofen administered over several weeks to increase plasma IGF-I levels. Ten healthy male outpatients with chronic SCI were studied prospectively. Patients received escalating doses of baclofen for 4 weeks at each dose level (5, 10, and 20 mg/d). At each dose of baclofen, an increase in the plasma IGF-I was noted; significant increases in plasma IGF-I occurred at 2 weeks after administration of drug at doses of 10 and 20 mg/d, with a subsequent rise to peak levels on baclofen 20 mg/d [baseline, 205+/-74; peak, 218+/-76 (not significant), 239+/-83 (P<.05), 263+/-87 microg/L (P<.05), at baclofen 5, 10, and 20 mg/d, respectively]. In conclusion, low-dose baclofen administration for 4 weeks stimulated the growth hormone-IGF-I axis in persons with SCI, with the potential for beneficial effects on body composition.
My experience is that on its own i dont find it sedating but with other sleep meds it improves my sleep quality. The above studies might be why i find improved sleep quality.
Others may find baclofen on its on enough for sleep.
cheers!!!
Growth hormone (GH) response and baclofen levels were measured in seven healthy adult men following a 10-mg and a 20-mg dose of oral baclofen (gamma-aminobutyric acidB agonist) to determine the preferred dose in baclofen challenge studies. Multivariate analysis of variance (ANOVA) with repeated measures revealed no differences between the doses. However, when a univariate ANOVA with repeated measures was performed for each dose, the 10-mg dose showed no significant GH response over time, whereas the 20-mg dose showed a significant GH response over time. The average delta GH (change in GH from baseline) was 7.84 ng/ml (SD = 10.17) for the 10-mg dose and 3.34 ng/ml (SD = 3.64) for the 20-mg dose. The variability in the delta GH response to the 10-mg dose was significantly greater than the response to the 20-mg dose of baclofen. This variance in GH response was not explained by the differences in serum baclofen levels. Thus, a 20-mg baclofen dose appears to be preferable to a 10 mg-dose in baclofen challenge studies.
http://www.ncbi.nlm.nih.gov/pubmed/16554457
Patients with chronic spinal cord injury (SCI), a condition associated with reduced physical function, have been reported to have lower plasma insulin-like growth factor-I (IGF-I) levels than able-bodied persons. We evaluated the potential for daily low-dose baclofen administered over several weeks to increase plasma IGF-I levels. Ten healthy male outpatients with chronic SCI were studied prospectively. Patients received escalating doses of baclofen for 4 weeks at each dose level (5, 10, and 20 mg/d). At each dose of baclofen, an increase in the plasma IGF-I was noted; significant increases in plasma IGF-I occurred at 2 weeks after administration of drug at doses of 10 and 20 mg/d, with a subsequent rise to peak levels on baclofen 20 mg/d [baseline, 205+/-74; peak, 218+/-76 (not significant), 239+/-83 (P<.05), 263+/-87 microg/L (P<.05), at baclofen 5, 10, and 20 mg/d, respectively]. In conclusion, low-dose baclofen administration for 4 weeks stimulated the growth hormone-IGF-I axis in persons with SCI, with the potential for beneficial effects on body composition.
My experience is that on its own i dont find it sedating but with other sleep meds it improves my sleep quality. The above studies might be why i find improved sleep quality.
Others may find baclofen on its on enough for sleep.
cheers!!!