Dataset Information

Bone Mineral Density Response With Denosumab in Combination With Standard or High-Dose Teriparatide: The DATA-HD RCT.

ABSTRACT: CONTEXT:In the Denosumab and High-Dose Teriparatide Administration (DATA-HD) study, we reported that 15 months of combined high-dose (HD) teriparatide and denosumab increased mean areal bone mineral density (aBMD) at the hip and spine more than combined denosumab and standard-dose (SD) teriparatide. OBJECTIVE:In the current analysis, we compare the individual rates of aBMD response between the treatment groups. DESIGN:Single-site, open-label, randomized controlled trial in which postmenopausal women received either teriparatide 20-?g daily (SD) or 40-?g daily (HD) given months 0 through 9, overlapped with denosumab 60 mg, given months 3 through 15 (15 months' total duration). The proportion of participants in the SD and HD groups experiencing total hip, femoral neck, and lumbar spine aBMD gains of >3%, >6%, and >9% were compared. PARTICIPANTS:Postmenopausal women with osteoporosis completing all study visits (n = 60). MAIN OUTCOME MEASURE(S):aBMD (dual x-ray absorptiometry). RESULTS:At the end of the 15-month treatment period, a higher proportion of women in the HD group had aBMD increases >3% (83% vs. 58%, P = .037) and >6% (45% vs. 19%, P = .034) at the total hip, and >3% at the femoral neck (86% vs. 63%, P = .044). At the lumbar spine, >3% response rates were similar, whereas the >6% and >9% response rates were greater in the HD group (100% vs. 79%, P = .012 and 93% vs. 59%, P = .003, respectively). CONCLUSION:Compared with the SD regimen, more women treated with the HD regimen achieved clinically meaningful and rapid gains in hip and spine aBMD. These results suggest that this approach may provide unique benefits in the treatment of postmenopausal osteoporosis.

SUBMITTER: Ramchand SK

PROVIDER: S-EPMC7112977 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Publications

Bone Mineral Density Response With Denosumab in Combination With Standard or High-Dose Teriparatide: The DATA-HD RCT.

Ramchand Sabashini K SK David Natalie L NL Leder Benjamin Z BZ Tsai Joy N JN

The Journal of clinical endocrinology and metabolism 20200301 3

<h4>Context</h4>In the Denosumab and High-Dose Teriparatide Administration (DATA-HD) study, we reported that 15 months of combined high-dose (HD) teriparatide and denosumab increased mean areal bone mineral density (aBMD) at the hip and spine more than combined denosumab and standard-dose (SD) teriparatide.<h4>Objective</h4>In the current analysis, we compare the individual rates of aBMD response between the treatment groups.<h4>Design</h4>Single-site, open-label, randomized controlled trial in ...[more]

PMID: 31674641

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Project description:BackgroundIn the Denosumab and Teriparatide Administration (DATA) study, we showed that denosumab fully inhibits teriparatide-induced bone resorption while allowing for continued teriparatide-induced bone formation, resulting in larger increases in hip and spine bone mineral density (BMD) than with either drug alone. We aimed to assess whether administration of denosumab with high dose teriparatide would stimulate larger increases in bone mass than those observed in the DATA study.MethodsDATA-HD was an open-label, randomised, controlled phase 4 trial done at Massachusetts General Hospital. Eligible women were postmenopausal women (at least 36 months since last menses or since hysterectomy with a follicle-stimulating hormone concentration of ≥40 U/L) with osteoporosis. Participants were randomly assigned (1:1) to receive teriparatide 20 μg (standard dose) or 40 μg (high dose) daily via subcutaneous injection for 9 months. At 3 months, both groups were started on denosumab 60 mg every 6 months via subcutaneous injection for 12 months. Areal BMD (aBMD) was measured at 0, 3, 9, and 15 months. Treatment was given open label, but outcome assessors were masked. The primary endpoint was percentage change from baseline in spine areal BMD (aBMD) at 15 months. Women who completed at least one study visit after baseline were included in the modified intention-to-treat analysis. Safety was assessed in all randomly assigned participants. This study is registered with ClinicalTrials.gov, number NCT02176382.FindingsBetween Oct 15, 2014, and June 10, 2016, 269 women were assessed for eligibility. 76 participants were randomly assigned to 20 μg teriparatide (n=39) or 40 μg teriparatide (n=37), of whom 69 completed at least one post-baseline visit. At 15 months, mean spine aBMD had increased to a significantly greater extent in the 40 μg group (17·5% [SD 6·0] increase) than the 20 μg group (9·5% [3·2]; difference 8·1%, 95% CI 5·5 to 10·6, p<0·0001). Mean femoral neck aBMD had also increased to a greater extent in the 40 μg group (6·8% [SD 4·1] increase) than the 20 μg group (4·3% [3·7]; difference 2·5%, 0·5 to 4·5, p=0·04), as did mean total hip aBMD (40 μg group, 6·1% [3·4] increase; 20 μg group, 3·9% [2·9] increase; difference 2·2%, 0·6 to 3·8, p<0·0001). 30 (77%) of 39 participants in the 20 μg group and 29 (78%) of 37 participants in the 40 μg group had an adverse event, and seven (18%) and two (5%) patients had serious adverse events. The most frequent adverse events were joint pain (15 [38%]), muscle cramp (15 [38%]), and fatigue (12 [31%]) in the 20 μg group group and fatigue (14 [38%]), nausea (16 [43%]), and joint pain (17 [46%]) in the 40 μg group. No deaths were reported.InterpretationCombined treatment with teriparatide 40 μg and denosumab increases spine and hip BMD more than standard combination therapy. This large and rapid increase in bone mass suggest that this high dose regimen might provide a method of restoring skeletal integrity in patients with osteoporosis.FundingNational Institutes of Health and the Dart Foundation.

Project description:Combined teriparatide and denosumab increases spine and hip bone mineral density more than either drug alone. The effect of this combination on skeletal microstructure and microarchitecture, however, is unknown. Because skeletal microstructure and microarchitecture are important components of skeletal integrity, we performed high-resolution peripheral quantitative computed tomography (HR-pQCT) assessments at the distal tibia and radius in postmenopausal osteoporotic women randomized to receive teriparatide 20?µg daily (n?=?31), denosumab 60?mg every 6 months (n?=?33), or both (n?=?30) for 12 months. In the teriparatide group, total volumetric bone mineral density (vBMD) did not change at either anatomic site but increased in both other groups at both sites. The increase in vBMD at the tibia was greater in the combination group (3.1?±?2.2%) than both the denosumab (2.2?±?1.9%) and teriparatide groups (-0.3?±?1.9%) (p?<?0.02 for both comparisons). Cortical vBMD decreased by 1.6?±?1.9% at the tibia and by 0.9?±?2.8% at the radius in the teriparatide group, whereas it increased in both other groups at both sites. Tibia cortical vBMD increased more in the combination group (1.5?±?1.5%) than both monotherapy groups (p?<?0.04 for both comparisons). Cortical thickness did not change in the teriparatide group but increased in both other groups. The increase in cortical thickness at the tibia was greater in the combination group (5.4?±?3.9%) than both monotherapy groups (p?<?0.01 for both comparisons). In the teriparatide group, radial cortical porosity increased by 20.9?±?37.6% and by 5.6?±?9.9% at the tibia but did not change in the other two groups. Bone stiffness and failure load, as estimated by finite element analysis, did not change in the teriparatide group but increased in the other two groups at both sites. Together, these findings suggest that the use of denosumab and teriparatide in combination improves HR-pQCT measures of bone quality more than either drug alone and may be of significant clinical benefit in the treatment of postmenopausal osteoporosis.

Project description:BackgroundTo gain insight into how teriparatide affects various bone health parameters, we assessed the effects of teriparatide treatment with use of standard DXA (dual x-ray absorptiometry) technology and two newer technologies, high-resolution MRI (magnetic resonance imaging) and finite element analysis of quantitative CT (computed tomography) scans.MethodsIn this phase-4, open-label study, postmenopausal women with severe osteoporosis received 20 μg/day of teriparatide. Assessments included (1) changes in areal BMD (bone mineral density) (in g/cm2) at the radius, spine, and hip on DXA, (2) changes in volumetric BMD (in mg/cm3) at the spine and hip on quantitative CT scans, (3) changes in bone microarchitecture at the radius on high-resolution MRI, (4) estimated changes in spine and hip strength according to finite element analysis of quantitative CT scans, (5) changes in bone turnover markers in serum, and (6) safety.ResultsThirty-five subjects were enrolled; thirty completed eighteen months and twenty-five completed an optional six-month extension. No significant changes were observed for the primary outcome, high-resolution MRI at the distal aspect of the radius. At month eighteen, the least-squares mean percentage change from baseline in total volumetric BMD at the spine was 10.05% (95% confidence interval [CI], 6.83% to 13.26%; p < 0.001), and estimated spine strength increased 17.43% (95% CI, 12.09% to 22.76%; p < 0.001). Total volumetric BMD at the hip increased 2.22% (95% CI, 0.37% to 4.06%; p = 0.021), and estimated hip strength increased 2.54% (95% CI, 0.06% to 5.01%; p = 0.045). Areal BMD increased at the lumbar spine and femoral neck, was unchanged for the total hip and at the distalmost aspect of the radius, and decreased at a point one-third of the distance between the wrist and elbow. Bone turnover markers increased at months three, six, and twenty-four (all p < 0.05). No unexpected adverse events were observed.ConclusionsHigh-resolution MRI failed to identify changes in bone microarchitecture at the distal aspect of the radius, a non-weight-bearing site that may not be suitable for assessing effects of an osteoanabolic agent. Teriparatide increased areal BMD at the spine and femoral neck and volumetric BMD at the spine and hip. Estimated vertebral and femoral strength also increased. These findings and increases in bone turnover markers through month twenty-four are consistent with the known osteoanabolic effect of teriparatide.Level of evidenceTherapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

Dataset Information

Bone Mineral Density Response With Denosumab in Combination With Standard or High-Dose Teriparatide: The DATA-HD RCT.

Publications

Bone Mineral Density Response With Denosumab in Combination With Standard or High-Dose Teriparatide: The DATA-HD RCT.

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