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
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
Study Type
OBSERVATIONAL
Enrollment
122
infusion (for zoledronate) or oral digestion (for alendronate)
Univ. Lille, CHU Lille
Lille, France
251 Hellenic Airforce and VA General Hospital
Athens, Greece
First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens
Athens, Greece
lumbar spine BMD
BMD changes at the lumbar spine at 12 and 24 months
Time frame: 24 months
femoral neck BMD
BMD changes at the non-dominant femoral neck and total hip at 12 and 24 months
Time frame: 24 months
P1NP
bone turnover (formation) marker
Time frame: baseline, 3 months, 6 months, 12 months, 18 months, 24 months
CTx
bone turnover (resorption) marker
Time frame: 24 months
fracture
incident fractures: vertebral (clinical and morphometric identified on VFA scans) and non-vertebral
Time frame: 24 months
height
loss of height
Time frame: 24 months
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, KAT General Hospital
Athens, Greece
424 General Military Hospital
Thessaloniki, Greece
Fondazione IRCCS Cà Granda-Ospedale Maggiore Policlinico
Milan, Italy
Campus Bio-Medico University
Roma, Italy
Department of Medicine, Surgery and Neurosciences, University of Siena
Siena, Italy
University-Hospital S. Maria della Misericordia
Udine, Italy