17 alpha-propionate is a new potent topical antiandrogen potentially useful in acne vulgaris. CB-03-01 1% cream was very well tolerated, and was significantly better than placebo regarding TLC (P = 0·0017), ILC (P = 0·0134) and ASI (P = 0·0090), and also clinically more effective than comparator. The product also induced a faster attainment of 50% improvement in all the above parameters.
|Preparation method||Because of the extent of these experiments, the drugs were divided into two groups: dexamethasone, budesonide, beclomethasone dipropionate and fluticasone (first group); and dexamethasone, CsA, FK506 (tacrolimus) and mycophenolate (second group).|
|Incubation time||24 h|
|Animal models||Female Golden hamsters|
|Formulation||0.05 mL of acetone containing 4 μg of testosterone propionate (TP)|
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||10 mM in DMSO|
|Source||J Microbiol Biotechnol (2016). Figure 4. 17 alpha-propionate|
|Incubation Time||6 h|
|Results||As shown in Fig. 4, propionate-oxidizing bacteria relevant band B3 was enhanced with the pH decrease rom 7.1 to 6.0, indicating that this propionate degrader (band B3) is slightly acid tolerant.|
Biological profile of cortexolone 17alpha-propionate (CB-03-01), a new topical and peripherally selective androgen antagonist.
Celasco G,et.al. Arzneimittelforschung. 2004;881-6. PMID: 15646372.
Biotransformation of the topical glucocorticoids budesonide and beclomethasone 17 alpha,21-dipropionate in human liver and lung homogenate.
Andersson P, et al. J Pharm Pharmacol. 1984 Nov;36(11):763-5. PMID: 6150981.
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Testosterone Isocaproate help in increasing the body weight and will also help in gaining the strength and also help in losing fat in the body and gives an increase in libido, red blood cells, stamina and quick recovery after heavy training.
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