RecruitingPhase 4NCT06767150

StrAtegies For Zoledronic Acid Post-dEnosumab Discontinuation in Postmenopausal oSTeoporosis


Sponsor

University Hospital, Toulouse

Enrollment

200 participants

Start Date

Oct 2, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

Denosumab (Dmab) is a treatment for postmenopausal osteoporosis. However, its withdrawal is associated with a rebound phenomenon associated with an unexpected increased risk of vertebral fractures. Defining the optimal strategy for Dmab withdrawal is critically needed. Investigator propose an open-label randomized superiority strategy trial to compare the 1-year lumbar densitometric efficacy of biomarkers-driven zoledronate (ZOL) infusion vs standardized ZOL treatment to mitigate rebound phenomenon.


Eligibility

Sex: FEMALEMin Age: 18 Years

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying a drug called a rescue second infusion at month-12 (standard traitment) and a drug called a second infusion of ZOL when crosslaps levels reach 300 pg/mL for people with postmenopausal osteoporosis. The study is currently recruiting participants at 17 locations. People eligible for this study include women aged 18 Years and older.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DRUGa second infusion of ZOL when crosslaps levels reach 300 pg/mL

a first infusion of ZOL 5 mg, 6 months after denosumab withdrawal (= study start) and a second infusion when crosslaps levels reach 300 pg/mL, no later than month-12

DRUGa rescue second infusion at month-12 (standard traitment)

a first infusion of ZOL 5 mg, 6 months after denosumab withdrawal (= study start), and potentially a rescue second infusion at month-12, in case unfavourable outcome (incident osteoporotic fractures) or high risk of unfavourable outcome


Locations(17)

Amiens Hospital

Amiens, France

Bordeaux Hospital

Bordeaux, France

Cahors Hospital

Cahors, France

Dax Hospital

Dax, France

Le Mans Hospital

Le Mans, France

Lille Hospital

Lille, France

Limoges Hospital

Limoges, France

Marseille Hsopital

Marseille, France

Montpellier Hospital

Montpellier, France

Nice Hospital

Nice, France

Orléans Hospital

Orléans, France

Cochin Hospital

Paris, France

Lariboisiere Hospital

Paris, France

Poitiers Hospital

Poitiers, France

Rennes Hospital

Rennes, France

Saint Etienne Hospital

Saint-Etienne, France

Toulouse Hospital

Toulouse, France

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NCT06767150


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