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. 2020 Sep 2;107(6):593–602. doi: 10.1007/s00223-020-00751-x

Table 1.

Food intake, BW, doses of T and EN averaged over the weeks and other parameters, measured at the end of the study in Non-Orx and Orx rats treated with enobosarm (EN) or testosterone propionate (T) applied either after Orx (pr, weeks 0–18) or after osteotomy (th, weeks 12–18)

Parameters Non-Orx Orx Orx+T-th Orx+EN-th Orx+T-pr Orx+EN-pr
Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD
Mean food intake (g/rat/day) 29 5 28 6 30 5 29 4 28 6 29 6
Mean BW (g) 712 36 654a 41 666a 31 650a 31 649a 34 664a 37
Mean T or EN dose (mg/kg BW/day) 36 9 0.30 0.02 43 8 0.36 0.05
Serum
OC (ng/mL) 175 24 208 54 200 33 123bd 27 183 32 139bd 26
ALP (U/L) 175 57 134 38 147 35 194 43 151 28 173 71
CTX-I (ng/mL) 17 3 18 4 19 3 17 1 20 2 17 4
Magnesium (mmol/L) 0.74 0.10 0.68 0.07 0.75 0.08 0.70 0.05 0.77 0.06 0.74 0.07
Calcium (mmol/L) 2.17 0.20 2.06 0.16 2.21 0.22 2.03 0.11 2.28 0.12 2.16 0.14
Phosphor (mmol/L) 1.84 0.26 1.56 0.19 1.69 0.24 1.79 0.22 1.99b 0.25 2.03b 0.27
Weights
BW (g) 727 78 642 69 678 122 629 73 659 80 667 105
Levator ani (g) 0.64 0.25 0.31a 0.08 0.32a 0.05 0.57b 0.08 0.37a 0.11 0.54b 0.12
Prostata (g) 1.22* 0.30 0.18 0.07 0.19 0.07 0.39 0.08 0.34 0.13 0.62bcd 0.13
M. gastrocnemius (g) 3.2 0.5 2.8 0.5 3.0 0.6 3.1 0.4 2.9 0.6 2.9 0.6
M. soleus (g) 0.29 0.05 0.27 0.05 0.27 0.03 0.30 0.04 0.26 0.07 0.26 0.06
Biomechanics
Stiffness (N/mm) 75 29 75 32 82 41 66 35 64 28 82 41
Yield load (N) 56 30 44 14 63 17 79 44 57 24 73 42
Microradiography
Dorsal
Ct.Wi.d (mm) 0.58 0.11 0.49 0.17 0.67b 0.18 0.53 0.08 0.64b 0.21 0.52 0.10
Ct.Dn.d (%) 99.4 0.5 99.0 1.1 99.5 0.8 98.8 0.8 99.3 0.7 99.2 0.5
Cl.Wi.d (mm) 0.92 0.41 0.70 0.32 0.89 0.48 0.99 0.58 1.1 0.50 0.80 0.43
Cl.Dn.d (%) 67.6 17.5 61.6 16.0 60.2 12.9 52.7a 13.8 58.2 11.9 65.0 18.0
Endosteal
Cl.Dn.e (%) 88.7 3.9 76.1 10.8 69.6a 15.1 67.4a 13.9 70.5a 14.3 69.9a 15.9
Fluorescence analysis
The time of the first bridging (day) 27 7 26 9 26 6 34 8 29 9 27 8

*Differs from all other groups

aDiffers from Non-Orx

bDiffers from Orx

cDiffers from Orx+T-pr

dDiffers from Orx+T-th (Tukey test, p < 0.05)