Could a new dosing schedule supercharge bone strength?
NCT ID NCT06059222
First seen Jul 02, 2026 · Last updated Jul 02, 2026
Summary
This study looks at whether giving the osteoporosis drug romosozumab in two separate 6-month blocks, with breaks for another drug called zoledronate, can build more bone than the standard 12-month course. It involves 270 postmenopausal women with osteoporosis and a recent fracture. The goal is to find the safest and most effective way to combine these medications.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Romosozumab (Evenity) and zoledronate
- What this could lead to
- If successful, this could identify a more effective dosing schedule for romosozumab and zoledronate, leading to stronger bones and fewer fractures in women with osteoporosis.
- What could go wrong
- This is a phase 4 trial with 270 participants, so results may not apply to all patients. Different dosing schedules may not improve outcomes and could carry risks like bone pain or rare jaw problems.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 270 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2023
- Expected to finish
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Aug 2032
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Postmenopausal women (postmenopausal for at least two years) * BMD T-score \< -2.5 at lumbar spine, total hip, or femoral neck * Osteoporotic fracture within the last 3 years at the spine, hip, pelvis, humerus or forearm after the age of 50 years. Exclusion Criteria: * Osteoporosis treatment including hormone replacement therapy within the last 5 years * Metabolic bone disease * Known disorders affecting bone metabolism, e.g., uncontrolled thyrotoxicosis, liver dysfunction (baseline phosphatase higher than twice upper limit), rheumatism, severe COPD (chronic obstructive pulmonary disease), hypopituitarism, Cushing's disease * Ongoing treatment with glucocorticoids (systemic) * Estimated glomerular filtration rate (eGFR) \< 35 mL/min * Contraindications for zoledronate according to the Supplementary protection certificates (SPC) * Contraindications for romosozumab according to the SPC * For the subgroup with Jamshidi biopsies contraindications for local anaesthetics according to the SPC * For the subgroup with Jamshidi biopsies contraindications for tetracycline or doxycykline according to the SPC
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Department of Endrocinology and Internal Medicine
RECRUITINGAarhus, 8000, Denmark
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Other studies related to the condition(s) this trial covers.
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- Could a simple education program stop the cycle of fractures in the elderly?