Single or Repeat Zoledronate Versus Alendronate Following Denosumab (EUROpean Denosumab Effects Consolidation Study)

NCT ID: NCT05575167

Last Updated: 2025-04-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

125 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-11-28

Study Completion Date

2027-11-30

Brief Summary

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A 24-month prospective, open-label, randomized, multicenter, multinational, non-inferiority pragmatic clinical trial evaluating zoledronate single or double infusion versus oral alendronate following denosumab

Detailed Description

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125 postmenopausal women treated with Dmab for 3 or more years who will reach osteopenia with denosumab will be randomized into three groups: i) zoledronate infusion (5mg) at 6 months after last Dmab dose (single Zol group) ii) zoledronate infusion (5mg) at 6 and 12 months after last Dmab dose (double Zol group) iii) alendronate 70mg orally weekly for 12 months (ALN group) All women will receive no further treatment during the 2nd year of the study.

Participating centers: ECTS affiliated bone centers

Endpoints: Primary: BMD changes at the lumbar spine at 12 months. Secondary: i) BMD changes at the lumbar spine at 24 months; ii) BMD changes at the non-dominant femoral neck and total hip at 12 and 24 months; iii) changes at levels of bone turnover markers throughout the study; iv) incident fractures: vertebral (clinical and morphometric identified on VFA scans) and non-vertebral; v) clinical parameters: height change, VAS for back pain, and use of analgesics

Conditions

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Osteoporosis, Postmenopausal

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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single Zol group

postmenopausal women treated with denosumab for 3 or more years who will reach osteopenia with denosumab and will receive a single zoledronate infusion (5mg) at 6 months after the last denosumab dose

Zoledronate or Alendronate

Intervention Type DRUG

infusion (for zoledronate) or oral digestion (for alendronate)

double Zol group

postmenopausal women treated with denosumab for 3 or more years who will reach osteopenia with denosumab and will receive two zoledronate infusions (5mg) at 6 and 12 months after the last denosumab dose

Zoledronate or Alendronate

Intervention Type DRUG

infusion (for zoledronate) or oral digestion (for alendronate)

ALN group

postmenopausal women treated with denosumab for 3 or more years who will reach osteopenia with denosumab and will receive alendronate 70mg orally weekly for 12 months

Zoledronate or Alendronate

Intervention Type DRUG

infusion (for zoledronate) or oral digestion (for alendronate)

Interventions

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Zoledronate or Alendronate

infusion (for zoledronate) or oral digestion (for alendronate)

Intervention Type DRUG

Other Intervention Names

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Calcium and vitamin D supplementation

Eligibility Criteria

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Inclusion Criteria

• Postmenopausal women treated with denosumab for 3 or more years who will reach osteopenia

Exclusion Criteria

* a bone disease other than postmenopausal osteoporosis
* use of medications other than bisphosphonates or SERMS affecting bone metabolism during the last 12 months before entering the study
* creatinine clearance \<60 mL/min/1.73 m2
* liver failure
* any type of cancer
* uncontrolled endocrine diseases
* serum 25-hydroxy vitamin D (25-OHD) concentrations lower than 20 ng/mL (50 nmol/L)
Minimum Eligible Age

50 Years

Maximum Eligible Age

85 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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424 General Military Hospital

OTHER

Sponsor Role lead

Responsible Party

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Athanasios D. Anastasilakis

Consultant of endocrinology; in charge of the Department of Metabolic Bone Diseases

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Willem Lems, Prof

Role: PRINCIPAL_INVESTIGATOR

ECTS Clinical Action Group

Locations

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Univ. Lille, CHU Lille

Lille, , France

Site Status RECRUITING

251 Hellenic Airforce and VA General Hospital

Athens, , Greece

Site Status RECRUITING

First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens

Athens, , Greece

Site Status RECRUITING

, KAT General Hospital

Athens, , Greece

Site Status RECRUITING

424 General Military Hospital

Thessaloniki, , Greece

Site Status RECRUITING

Fondazione IRCCS Cà Granda-Ospedale Maggiore Policlinico

Milan, , Italy

Site Status NOT_YET_RECRUITING

Campus Bio-Medico University

Roma, , Italy

Site Status NOT_YET_RECRUITING

Department of Medicine, Surgery and Neurosciences, University of Siena

Siena, , Italy

Site Status NOT_YET_RECRUITING

University-Hospital S. Maria della Misericordia

Udine, , Italy

Site Status NOT_YET_RECRUITING

Countries

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France Greece Italy

Central Contacts

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Athanasios D Anastasilakis, MD

Role: CONTACT

2310381431 ext. +30

John Carey, MD

Role: CONTACT

Facility Contacts

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Julien Paccou, Prof

Role: primary

Polyzois Makras, PhD

Role: primary

+30 2107463606

Maria P Yavropoulou, Consultant

Role: primary

+30 2132060800

Symeon Tournis, PhD

Role: primary

+30 2132086000

Athanasios D Anastasilakis, PhD

Role: primary

+302310381697

Stergios A Polyzos, PhD

Role: backup

+302310455780

Cristina Eller-Vainicher

Role: primary

Andrea Palermo, Ass Prof

Role: primary

Gaia Tabacco, PhD

Role: backup

Luigi Gennari, prof

Role: primary

Daniela Merlotti

Role: backup

Fabio Vescini

Role: primary

Other Identifiers

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EURODEC

Identifier Type: -

Identifier Source: org_study_id

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