Timing of zoledronate treatment for hip fracture patients

Zoledronate Early to Hip Fracture Patients - Safe and Effective? A Double-blinded Randomized Controlled Treatment Strategy Trial on Zoledronate in Hip Fracture Patients

Phase 4 Interventional Oslo University Hospital · NCT05025293

This study is testing whether giving a medication called zoledronate right after hip surgery can help prevent future fractures better than waiting three months to start the treatment for people over 50.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment300 (estimated)
Ages50 Years and up
SexAll
SponsorOslo University Hospital Academic / other
Drugs / interventionsdenosumab, romosozumab
Locations1 site (Oslo)
Trial IDNCT05025293 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to determine the optimal timing for administering zoledronate, a bisphosphonate medication, to patients who have undergone surgery for hip fractures. It is a double-blinded, placebo-controlled randomized non-inferiority trial comparing early administration (within 5 days post-surgery) to late administration (3 months post-surgery). The study focuses on preventing recurrent fractures in this high-risk population by evaluating the effectiveness of early treatment. The trial will include patients over 50 years old who have experienced low-energy hip fractures and meet specific health criteria.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals over 50 years old who have sustained a low-energy hip fracture and are fit for follow-up.

Not a fit: Patients with contraindications to zoledronate treatment or those who have received certain osteoporosis medications in the past 10 years may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved fracture prevention strategies for hip fracture patients, reducing the risk of subsequent fractures.

How similar studies have performed: Previous studies have indicated the effectiveness of zoledronate in fracture prevention, but this specific timing approach is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Low energy hip fracture
* Surgery within 72 hours
* \>50 years old norwegian
* Women age 50-60 must be postmenopausal or not pregnant
* Acceptable kidney function (estimated GFR \>=35) and calcium levels
* Fit to complete the follow-up judged by the recruiting physician
* Signed informed consent by the patient or the next of kin

Exclusion Criteria:

* Metal in the opposite hip
* Anti-osteoporosis treatment with bisphosphonates, denosumab, teriparatide, abaloparatide or romosozumab within the last 10 years
* Glucocorticoid therapy
* Too sick to receive treatment with zoledronate judged by the recruiting or treating physician
* Any other contraindication listed on the SmPC of the IMP(s) including pregnancy
* Participating in another trial that might affect the current study

Where this trial is running

Oslo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Hip FracturesOsteoporosiship fractureszoledronic acidbone turnover markersdeliriumearly rehabilitationbone mineral density
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.