Research Article

Systemic Treatment with Strontium Ranelate Accelerates the Filling of a Bone Defect and Improves the Material Level Properties of the Healing Bone

Table 2

Effect of 4, 8, or 12 weeks of SrRan or vehicle administration on micro-CT analysis of a circular band of 0.45 mm wide selected on the peripheral portion of a bone defect in adult female rat tibiae.

Trabecular bone bordering defectTreatmentTime of treatment
4 weeks8 weeks12 weeks

BV/TV (%)vehicle16.86 ± 4.6114.16 ± 1.4514.50 ± 1.86
SrRan26.57 ± 4.06°22.84 ± 1.77°27.86 ± 2.92*

TbN (1/mm)vehicle5.00 ± 0.374.40 ± 0.114.46 ± 0.28
SrRan5.66 ± 0.404.99 ± 0.215.21 ± 0.18°

TbTh (mm)vehicle0.072 ± 0.0070.082 ± 0.0090.074 ± 0.003
SrRan0.083 ± 0.0040.084 ± 0.0020.084 ± 0.003°

TbSp (mm)vehicle0.217 ± 0.0150.231 ± 0.0060.248 ± 0.014
SrRan0.189 ± 0.0140.216 ± 0.0100.196 ± 0.008*

SMI (1)vehicle2.487 ± 0.4542.767 ± 0.1372.505 ± 0.116
SrRan1.640 ± 0.3681.706 ± 0.177°1.544 ± 0.251°

Averages ± SEM; Mann-Whitney; ; versus time-matched vehicle.