Research Article

The Prevention of Postmenopausal Osteoporotic Fractures: Results of the Health Technology Assessment of a New Antiosteoporotic Drug

Table 1

Results of literature review about efficacy of antiosteoporotic drugs.

First author and yearStudy designStudy populationOutcome Results
Vertebral fracturesNonvertebral fracturesHip/femoral fractures

AlendronateWells et al. 2008 [49] Cochrane reviewPostmenopausal women Osteoporotic fractures after ≥1 year of follow-up12,068 (4,576 in primary prevention) Reduction of 45% (33–55%) 
(primary prevention)
Reduction of 16% (6–26%) Reduction of 40% (7–60%) of femoral fractures and of 21% (n.s.) of hip fractures
Black et al. 2000 (FIT) [50] RCTWomen in menopause since at least 2 yearsFractures after 3/4 years of treatment6,459Single vertebral fractures: reduction of 47% (32–59%). Multiple vertebral fractures: reduction of 90% (78–95%) Reduction of 19% (n.s.) Reduction of 51% (1–77%)
Cummings et al. 1998 (FIT) [51] RCTWomen in menopause since at least 2 yearsFractures after 4 years of treatment4,432One or more vertebral fractures: reduction of 44% (39–80%)
Two or more vertebral fractures: reduction of 60% (n.s.)
Reduction of 12% (n.s.)Reduction of 21% (n.s.)
Black et al. 1996 (FIT) [52] RCTWomen in menopause since at least 2 yearsFractures after 24 and 36 months of treatment2,027One or more morphometric vertebral fractures: reduction of 47% (32–59%).
Two or more morphometric vertebral fractures: reduction of 90% (78–95%)
Reduction of 20% (n.s.)Reduction of 48% of hip fractures (13–69%)
Liberman et al. 1995 [53]RCTWomen in menopause since at least 5 yearsOsteoporotic fractures after 3 years of treatment881Reduction of 48% (5–72%)

RisedronateWells et al. 2008 [54]Cochrane reviewPostmenopausal womenOsteoporotic fractures14,049Reduction of 27% (23–49%) 
(primary and secondary prevention)
Reduction of 20% (10–28%) (primary and secondary prevention)
Harris et al. 1999 (VERT) [55]RCTWomen in menopause since at least 5 years, aged <85 years and with ≥2 vertebral fracturesOsteoporotic fractures after 1 and 3 years of treatment2,458First year of treatment: reduction of 46% (9–68%) with risedronate 2,5 mg and of 65% (38–81%) with risedronate 5 mg.
After 3 years of treatment: reduction of 41% (18–57%)
After 3 years of treatment: reduction of 40% (6–61%)
Reginster et al. 2000 (VERT) [56]RCTWomen in menopause since at least 5 years, aged <85 years and with ≥2 vertebral fracturesOsteoporotic fractures after 3 years of treatment1,226Reduction of 49% (27–64%) Reduction of 33% (n.s.)
McClung et al. 2001 (HIP) [57]RCTPostmenopausal women aged 70–79 yearsOsteoporotic fractures after 3 years of treatment5,445Reduction of 40% (10–60%)

IbandronateHarris et al. 2008 [58]Meta-analysis BONE, IV Fracture Prevention, MOBILE, and DIVA studies Nonvertebral and clinical fractures8,710Reduction of 29.9%
Chesnut III et al. 2004 (BONE) [59]RCTWomen in menopause since at least 5 years, aged 55–80 years, with 1–4 previous vertebral fractures and a T-score of −2.0 to −5.0 in at least one vertebral siteNew morphometric vertebral fractures at 3 years of treatment 2,946Reduction of 62% (41–75%) for daily dose and of 50% (26–66%) for intermittent dose Nonsignificant results

ZolendronateBlack et al. 2007 (HORIZON) [60] RCTWomen aged 65–89 years with a T-score ≤ 2,5 (with or without vertebral fractures) or T-score ≤ 1,5 and at least 2 vertebral fracturesOsteoporotic fractures after 3 years of treatment 7,765Reduction of 70% (62–76%) Reduction of 25% (13–36%)Reduction of 41% (17–58%)

Strontium ranelateMeunier et al. 2004 (SOTI) [61]RCTWomen ≥ 50 years with ≥1 osteoporotic vertebral fracturesVertebral fractures after 3 years of treatment1,649Reduction of 49% (26–64%) after 1 year and of 41% (27–52%) after 3 years
Reginster et al. 2005 (TROPOS) [62]RCTWomen ≥ 74 years (or aged 70–74 with at least another risk factor for fracture)Vertebral and nonvertebral fractures5,091Reduction of 45% (23–61%) after 1 year and of 39% (27–49%) after 3 years Reduction of 16% (0.5–29.8%). Reduction of 19% 
of major fractures (2–34%)

PTH 1-34
and 1-84
Vestergaard et al. 2007 [63]Meta-analysisPostmenopausal womenOsteoporotic fractures4,155Reduction of 63% (52–72%) Reduction of 38% (18–54%)

PTH 1-34Neer et al. 2001 (FPT) [64]RCTWomen in menopause since at least 5 years with ≥2 mild vertebral fractures or 1 moderate vertebral fracture Osteoporotic fractures after 2 years of treatment 1,637PTH 1-34, 20  g/die: reduction of 65% (45–78%). PTH 1-34, 40  g/die: reduction of 69% (50–81%) PTH 1-34, 20 µg/die: reduction of 53% (12–75%). PTH 1-34, 40 µg/die: reduction of 54% (14–75%)

PTH 1-84Greenspan et al. 2007 (TOP) [65]RCTWomen aged 45–54 years with T-score ≤ −3 and no previous fractures or T-score ≤ −2,5 and 1–4 previous fractures, and women ≥ 55 years with T-score ≤−2.5 and no previous fractures or T-score ≤ −2 and 1–4 previous fracturesNew osteoporotic fractures or worsening of previous osteoporotic fractures after 18 months of treatment2,532Reduction of 58% (28–76%)Nonsignificant results

SERMCranney et al. 2002 [66]Meta-analysisPostmenopausal womenVertebral and non-vertebral fracture 7,848Reduction of 40% (30–50%) with a dosage ≥60 mg/dieNonsignificant results
Ettinger et al. 1999 (MORE) [67] RCTWomen in menopause since at least 2 years, aged < 80 years with a T-score ≤ −2,5 or previous vertebral fractures Vertebral and non-vertebral fractures7,705Reduction of 30% (20–50%) with 60 mg/die and 50% (30–60%) with 120 mg/dieNon significant results

TOS Torgerson and Bell-Syer 2001 [68]Meta-analysisPostmenopausal womenVertebral fractures6,723Reduction of 33% (2–55%). Reduction of 53% (11–75%) in women with previous osteoporosis and of 37% (4–59%) in women > 60 years
Cauley et al. 2003 (WHI) [69]RCTWomen aged 50–79 years with a BMD ≥ 3 than age-specific meanVertebral, hip, and other osteoporotic fractures16,608Reduction of 25% (17–32%)Reduction of 33% (4–53%)

n.s.: not significant; BONE: oral iBandronate Osteoporosis vertebral fracture trial in North America and Europe; FIT: Fracture Intervention Trial; FPT: Fracture Prevention Trial; HIP: Hip Intervention Program; HORIZON: Health Outcomes and Reduced Incidence with Zoledronic Acid ONce yearly; MORE: Multiple Outcomes of Raloxifene Evaluation; SOTI: Spinal Osteoporosis Therapeutic Intervention; TROPOS: TReatment Of Peripheral OSteoporosis; TOP: Treatment of Osteoporosis with Parathyroid hormone; VERT: Vertebral Efficacy with Risedronate Therapy; WHI: Women's Health Initiative.