Study summary · research use only
Efficacy and safety of teriparatide vs. bisphosphonates and denosumab vs. bisphosphonates in osteoporosis not previously treated with bisphosphonates: a systematic review and meta-analysis of randomized controlled trials
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
This systematic review and meta-analysis of randomized controlled trials in human patients with osteoporosis pooled 23 eligible trials with 6680 patients who had not previously received bisphosphonates, comparing teriparatide and denosumab against bisphosphonates. Teriparatide was associated with a lower risk of fracture compared with bisphosphonates (risk ratio 0.61), while denosumab showed no difference in fracture risk (risk ratio 0.99). Both teriparatide and denosumab were associated with significantly greater increases in bone mineral density at the femoral neck, total hip, and lumbar spine compared with bisphosphonates, and neither was associated with an increased incidence of adverse events compared with bisphosphonates.
Abstract
The study found that in osteoporosis patients who had not previously received bisphosphonate treatment and were in a treatment cycle of over 12 months, both teriparatide and denosumab significantly increased bone mineral density compared to bisphosphonates. Additionally, teriparatide was also shown to significantly decrease the risk of fractures. The systematic review and meta-analysis aimed to assess and compare the safety and efficacy of teriparatide vs. bisphosphonates and denosumab vs. bisphosphonates in patients with osteoporosis who had not previously received bisphosphonates. We conducted a search of published literature from inception to May 31, 2023, including databases such as PubMed, Embase, Cochrane Library, CNKI, SinoMed, VIP, and WanFang. The study only included head-to-head randomized controlled trials (RCTs) that compared teriparatide and denosumab with bisphosphonates to treat patients with osteoporosis. Fixed-effect model and random-effect model were used due to clinical heterogeneity. Meta-analysis was performed via Stata 17.0. A total of 6680 patients were enrolled across 23 eligible trials. The results of the meta-analysis showed that teriparatide was superior to bisphosphonates in decreasing the risk of fracture (risk ratio (RR) = 0.61, 95% confidence interval (CI) (0.51, 0.74), P < 0.001). Denosumab showed no benefit compared to bisphosphonates in reducing the risk of fracture in treating osteoporosis (RR 0.99, 95% CI (0.62, 1.57), P = 0.96). Compared with bisphosphonates, teriparatide and denosumab could significantly improve femoral neck, total hip, and lumbar spine bone mineral density (BMD) (P < 0.05). Furthermore, teriparatide and denosumab did not increase the incidence of adverse events (teriparatide vs. bisphosphonates, RR 0.92, 95% CI (0.79, 1.08), P = 0.32; denosumab vs. bisphosphonates, RR 0.98, 95% CI (0.95, 1.02), P = 0.37). Teriparatide is superior to bisphosphonates in decreasing the risk of fracture in patients with osteoporosis. In addition, teriparatide and denosumab were more efficacious than bisphosphonates in increasing the percentage change in BMD at the femoral neck, total hip, and lumbar spine.
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