CBD prevented drug-induced and surgical osteoporosis in mice and increased viability, proliferation, and osteogenic gene expression in human bone stem cells.
Orthopedic researchers, endocrinologists, osteoporosis specialists, and CBD therapeutics researchers.
Prevented osteoporosisin both drug-induced and surgical (OVX) mouse models, while normalizing bone healing
What the researchers found
CBD prevented both fluoxetine-induced and oophorectomy-induced osteoporosis in mice and normalized bone healing. In vitro, CBD significantly increased human stem cell viability, proliferation, and osteocalcin expression compared to controls.
Why it matters
Osteoporosis affects millions worldwide and current treatments have significant side effects. CBD could represent a novel, well-tolerated approach to preventing bone loss and supporting fracture healing.
The numbers in context
CBD increased cell viability and proliferation significantly vs. controls. Osteocalcin expression significantly higher in CBD-treated cells. CBD prevented fluoxetine- and OVX-induced osteoporosis by X-ray and microCT. OVX delayed healing in controls but not CBD-pretreated mice.
How the study worked
Two-phase study: in vitro human osteoprogenitor cell assays with crystallized pharmaceutical-grade CBD, and in vivo murine models of pharmacologic (fluoxetine) and hormonal (oophorectomy) osteoporosis with femur fracture healing assessment.
Who was studied
Human mesenchymal stem cells (in vitro) and mice with pharmacologic or surgical osteoporosis (in vivo).
What this study cannot tell us
Mouse models may not fully translate to human osteoporosis. CBD dosing in mice may not correspond to human therapeutic levels. In vitro cell behavior may differ from in vivo bone metabolism.
How to read the evidence
Combined in vitro human cell and in vivo animal data; promising but requires human clinical trials.
When this study was published
Recent preclinical research on CBD bone effects.
The bigger picture
These findings suggest CBD has cell-specific effects that can enhance bone metabolism through multiple mechanisms — increasing bone cell production and preventing bone loss — warranting clinical investigation.
Replication
Preclinical findings; human clinical trials needed for osteoporosis application.
Funding
Not specified in abstract
Conflicts of interest
Not specified in abstract
Questions still open
- What CBD doses would be effective for human osteoporosis prevention?
- Would CBD interact with existing osteoporosis medications?
Read the original research
Non-psychoactive Cannabidiol Prevents Osteoporosis in an Animal Model and Increases Cell Viability, Proliferation, and Osteogenic Gene Expression in Human Skeletal Stem and Progenitor Cells.
Calcified tissue international, 112(6), 716-726
Citation
Ihejirika-Lomedico, Rivka; Patel, Karan; Buchalter, Daniel B; Kirby, David J; Mehta, Devan; Dankert, John F; Muiños-López, Emma; Ihejirika, Yael; Leucht, Philipp. (2023). Non-psychoactive Cannabidiol Prevents Osteoporosis in an Animal Model and Increases Cell Viability, Proliferation, and Osteogenic Gene Expression in Human Skeletal Stem and Progenitor Cells.. Calcified tissue international, 112(6), 716-726. https://doi.org/10.1007/s00223-023-01083-2