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Comparison of Denosumab and Zoledronate following Romosozumab

Equivalence Trial of Denosumab vs Zoledronate Following Romosozumab - DZR Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1051220150
Enrollment
65
Registered
2023-01-20
Start date
2023-01-20
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoporosis osteoporosis, denosumab, zoledronate, romosozumab

Interventions

Denosumab or zoledronate after romosozumab
D000069448, D000077211
denosumab, zoledronate, romosozumab

Sponsors

Takahashi Shinji
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients on romosozumab for osteoporosis who are 50 years of age or older and have one of the following criteria at the time of starting romosozumab 1. bone mineral density less than 2.5 SD and more than 1 fragility fracture 2. lumbar spine bone density less than -3.3 SD 3. more than 2 existing vertebral fractures 4. semi-quantitative evaluation method result of existing vertebral fracture is Genant grade 3. 5. judged to be necessary to improve surgical outcomes for osteoporosis 6. more than 7.5 mg of steroids (more than 3 months) and T-score <-2.5 Bone fracture despite treatment with bone resorption inhibitors 8. persistent loss of bone mineral density despite treatment with bone resorption inhibitors Translated with www.DeepL.com/Translator (free version)

Exclusion criteria

Exclusion criteria: 1. patients with severe renal dysfunction (creatinine clearance <35 mL/min) 2. patients with a history of hypersensitivity to denosumab or bisphosphonates 3. patients with dehydration (high fever, severe diarrhea, vomiting, etc.) 4. patients with hypocalcemia

Design outcomes

Primary

MeasureTime frame
Bone mineral density (Lumbar spine, Total hip)

Secondary

MeasureTime frame
Bone metabolism (P1NP, TRACP-5b)

Contacts

Public ContactShinji Takahashi

Osaka Metropolitan University Hospital

stakahashi@omu.ac.jp+81-666453851

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026