Table 1

Baseline patient demographics and characteristics

Pooled analysisDRIVE studyDESIRABLE study
DenosumabDenosumabDenosumab
Placebo
(N=306)
Q6M
(N=302)
Q3M
(N=301)
Placebo
(N=88)
Q6M
(N=85)
Q3M
(N=82)
Placebo
(N=218)
Q6M
(N=217)
Q3M
(N=219)
Female, n (%)243 (79.4)233 (77.2)213 (70.8)76 (86.4)65 (76.5)59 (72.0)167 (76.6)168 (77.4)154 (70.3)
Age (years)56.2±11.457.0±11.956.5±12.257.0±10.654.4±10.652.0±11.755.8±11.758.1±12.358.2±12.0
RA disease duration (years)2.1±1.32.2±1.32.2±1.32.3±1.32.2±1.32.3±1.32.1±1.32.2±1.32.2±1.3
CRP (mg/dL)0.47±0.840.61±1.160.53±1.070.75±1.240.52±0.920.61±1.170.36±0570.65±1.250.50±1.03
ESR (mm/hour)21.7±18.624.0±21.322.6±18.827.8±23.622.0±18.024.0±19.919.2±15.624.8±22.422.1±18.4
RF status, n (%)197 (64.4)199 (65.9)184 (61.1)60 (68.2)59 (69.4)56 (68.3)137 (62.8)140 (64.5)128 (58.4)
Anti-CCP antibodies, n (%)211 (69.0)228 (75.5)213 (70.8)66 (75.0)70 (82.4)64 (78.0)145 (66.5)158 (72.8)149 (68.0)
Tender joint count (0–68)7.6±7.67.6±8.07.6±7.89.9±9.78.0±7.48.2±7.36.6±6.47.5±8.27.3±8.0
Swollen joint count (0–66)9.7±4.99.3±4.79.4±4.410.5±5.98.9±4.210.5±4.69.4±4.49.5±4.99.0±4.3
Glucocorticoid use, n (%)106 (34.6)109 (36.1)106 (35.2)37 (42.0)36 (42.4)37 (45.1)69 (31.7)73 (33.6)68 (31.1)
MTX use, n (%)278 (90.8)261 (86.4)271 (90.0)88 (100.0)85 (100.0)82 (100.0)190 (87.2)176 (81.1)189 (86.3)
Modified total Sharp score (0–448)13.26±22.1814.66±20.4113.77±17.8913.56±24.0311.43±14.4810.02±14.0313.14±21.4415.92±22.2115.17±18.97
Modified Sharp erosion score (0–280)6.57±10.507.21±9.516.83±8.776.61±10.356.39±7.775.95±6.756.55±10.587.53±10.117.16±9.41
Modified Sharp JSNS (0–168)6.69±12.647.45±12.596.94±10.316.94±14.295.04±8.314.07±8.066.59±11.948.39±13.828.01±10.86
  • Values are shown as mean±SD unless otherwise indicated.

  • N=number of patients who received at least one dose of investigational product and had a baseline value and at least one post-baseline measurement with radiographs.

  • CCP, cyclic citrullinated peptide; CRP, C reactive protein; ESR, erythrocyte sedimentation rate; JSNS, joint space narrowing score; MTX, methotrexate; Q3M, denosumab 60 mg every 3 months; Q6M, denosumab 60 mg every 6 months; RA, rheumatoid arthritis; RF, rheumatoid factor.