Grant: Project Grant
Université de Sherbrooke
$581,400.00
Osteoclast-Related Cells as Biomarkers for Bone Homeostasis in Osteoporosis
FY 2024-25
Summary
Fracture-related osteoporosis is a major health issue, but less than 20% of people with fragility fractures get the treatment they need. One reason for this is concerns about potential side effects and long-term issues that may arise, especially after discontinuing a specific treatment. We don't fully understand the long-term effects and how severe they might be, making it challenging to manage osteoporosis effectively. Indeed, discontinuing denosumab can lead to multiple vertebral fractures, and it is essential to understand this to improve treatment management and address osteoporosis appropriately.
In this study, we're looking at a potential breakthrough in understanding how bones work. We believe that a specific treatment, denosumab, might lead to the presence of certain cells called osteomorphs in the blood. We've seen this in studies with mice, but we don't know if it happens in humans. People on chronic denosumab treatment are a great group to study because they might have these osteomorphs in their blood.
Our goals are to figure out what these osteomorphs are like, how they might be related to bone health, and if they can be markers for how well osteoporosis treatments are working. We also want to explore the reasons behind the splitting and joining of certain bone cells.
Ultimately, by understanding these things, we hope to predict what might happen when someone stops denosumab treatment. This knowledge could help personalize osteoporosis management, enhance bone care, ensure the safe use of denosumab-a highly effective osteoporosis treatment-and mitigate potential issues that may arise upon treatment discontinuation.
Department
Program
Project Grant
Recipient
Location
Quebec, Canada
Recipient Type
Academia
Type
Grant
Source
CIHR Funding Decisions Database
As published
Id
524669
Name
Roux Sophie
Region
Québec
Country
Canada
Orgtype
Institution Paid; Research Institution
Instname2
Musculoskeletal Health and Arthritis
Theme2
Biomedical
Prcname2
Clinical Investigation - B: Arthritis, Bone, Skin and Cartilage
Projecttitle
Osteoclast-Related Cells as Biomarkers for Bone Homeostasis in Osteoporosis
Programtype2
Operating Grants
Orgnameinp2
Université de Sherbrooke
Cihramount2
$581,400
Cihrequipment2
$0
Programname2
Project Grant
Keyworddelim
Autophagy; Denosumab (Anti-Rankl); Flow Cytometry; Osteoclast Precursors; Osteoclast Recycling; Osteomorphs; Osteoporosis; Pbmcs; Prediction Model; Scrnaseq
Abstract
Fracture-related osteoporosis is a major health issue, but less than 20% of people with fragility fractures get the treatment they need. One reason for this is concerns about potential side effects and long-term issues that may arise, especially after discontinuing a specific treatment. We don't fully understand the long-term effects and how severe they might be, making it challenging to manage osteoporosis effectively. Indeed, discontinuing denosumab can lead to multiple vertebral fractures, and it is essential to understand this to improve treatment management and address osteoporosis appropriately.
In this study, we're looking at a potential breakthrough in understanding how bones work. We believe that a specific treatment, denosumab, might lead to the presence of certain cells called osteomorphs in the blood. We've seen this in studies with mice, but we don't know if it happens in humans. People on chronic denosumab treatment are a great group to study because they might have these osteomorphs in their blood.
Our goals are to figure out what these osteomorphs are like, how they might be related to bone health, and if they can be markers for how well osteoporosis treatments are working. We also want to explore the reasons behind the splitting and joining of certain bone cells.
Ultimately, by understanding these things, we hope to predict what might happen when someone stops denosumab treatment. This knowledge could help personalize osteoporosis management, enhance bone care, ensure the safe use of denosumab-a highly effective osteoporosis treatment-and mitigate potential issues that may arise upon treatment discontinuation.
Competitiondate
202503
Approvedterm2
5 yrs 0 mth
Pinamesdelim
Roux, Sophie
Approvedterm
5 ans 0 mois
Cihrcontribution2
~ $581,400~ $0~