Investigating treatments to prevent bone loss after Denosumab

The Optimal Sequential Therapy After Long Term Denosumab Treatment

Phase 4 Interventional National Taiwan University Hospital · NCT05091099

This study is testing if two medications, Alendronate and Zoledronate, can help prevent bone loss in postmenopausal women and men over 50 who have been treated with Denosumab for osteoporosis.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment44 (estimated)
Ages50 Years to 85 Years
SexAll
SponsorNational Taiwan University Hospital Academic / other
Drugs / interventionsDenosumab
Locations1 site (Douliu, Yunlin County)
Trial IDNCT05091099 on ClinicalTrials.gov

What this trial studies

This study aims to determine if Alendronate and Zoledronate can effectively prevent bone mineral density loss in patients who have undergone long-term treatment with Denosumab for osteoporosis. It employs a randomized trial design to assess the efficacy of these treatments following the withdrawal of Denosumab. The focus is on postmenopausal women and men over 50 years old who have received Denosumab for a specific duration. The outcomes will help inform optimal sequential therapy for osteoporosis management.

Who should consider this trial

Good fit: Ideal candidates for this study are postmenopausal women or men over 50 years old who have been treated with Denosumab for at least two years but less than three years.

Not a fit: Patients with severe renal impairment, malignancies, or those on certain medications affecting bone metabolism may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new strategy to maintain bone density in patients after stopping Denosumab treatment.

How similar studies have performed: While there have been studies on osteoporosis treatments, this specific sequential therapy approach following Denosumab withdrawal is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Postmenopausal women or men over 50 years old
2. Denosumab treatment for at least two years and less than three years (up to five doses).

Exclusion Criteria:

1. Estimated glomerular filtration rate \<35 ml/min.
2. Malignancy
3. Continuous steroid treatment, hormone therapy or other medical treatment affecting bone metabolism
4. Secondary osteoporosis
5. Metabolic bone diseases
6. Contraindications to ZOL
7. Patients older than 80 years old
8. Hypocalcemia

Where this trial is running

Douliu, Yunlin County

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 Osteoporosisdenosumabalendronatezoledronic acid
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.