Osteonecrosis of the Femoral Head Management Strategies

Osteonecrosis of the femoral head (ONFH) arises from compromised blood flow to subchondral bone, precipitating structural collapse, pain and joint dysfunction. Management strategies focus on early intervention to preserve the native femoral head and delay total hip arthroplasty. Surgical techniques include core decompression, which relieves intraosseous pressure and can be combined with autologous bone grafts or concentrated bone marrow to enhance angiogenesis and osteogenesis. Biomaterial scaffolds—ranging from bioceramics to synthetic polymers—provide mechanical support and promote cellular infiltration. Pharmacological agents aim to rebalance osteoclastic resorption, mitigate oxidative stress and limit adipogenic differentiation within the marrow. Regenerative approaches harness mesenchymal stem cells, gene-modified progenitors or microRNA modulation to rejuvenate the local microenvironment. Treatment choice is guided by disease stage, lesion size and patient comorbidities, with a growing emphasis on minimally invasive procedures that integrate mechanical reinforcement with biological stimulation.

Research from Nature Portfolio

Recent studies have pinpointed microRNA regulation as a pivotal avenue for ONFH management. Investigations into miR-27a demonstrate its capacity to suppress adipogenesis and enhance osteogenic differentiation in steroid-induced models by directly targeting peroxisome proliferator-activated receptor gamma (PPARγ) and gremlin 1 (GREM1). This suggests a gene-based strategy to restore the osteogenic–adipogenic balance in bone marrow stromal cells. Complementary work on miR-708 reveals that its overexpression under glucocorticoid exposure impairs osteogenesis through SMAD3 inhibition. Inhibition of miR-708 rescues mesenchymal stem cell function, highlighting microRNA antagonists as potential therapeutic agents to preserve femoral head integrity in early disease.

Osteonecrosis of the Femoral Head Management Strategies publication trend

The graph below shows the total number of articles in osteonecrosis of the femoral head management strategies across all publications each year (not limited to Nature Index journals).

Technical terms

Core decompression: A surgical procedure that removes a channel of necrotic bone to reduce intraosseous pressure and stimulate revascularisation.

Biomaterial scaffold: A synthetic or natural matrix designed to provide mechanical support and guide new bone growth.

Mesenchymal stem cell (MSC): A multipotent stromal cell capable of differentiating into osteoblasts, chondrocytes and adipocytes.

Osteogenesis: The process of new bone formation by osteoblasts.

Adipogenesis: Differentiation of mesenchymal progenitors into adipocytes, which can exacerbate marrow fat accumulation in ONFH.

References

1. Bone tissue engineering for treating osteonecrosis of the femoral head. Exploration (2023).
2. Reconstructing avascular necrotic femoral head through a bioactive β-TCP system: From design to application. Bioactive Materials (2023).
3. miR-27a attenuates adipogenesis and promotes osteogenesis in steroid-induced rat BMSCs by targeting PPARγ and GREM1. Scientific Reports (2016).
4. MiR-708 promotes steroid-induced osteonecrosis of femoral head, suppresses osteogenic differentiation by targeting SMAD3. Scientific Reports (2016).
5. Efficacy of autologous bone marrow buffy coat grafting combined with core decompression in patients with avascular necrosis of femoral head: a prospective, double-blinded, randomized, controlled study. Stem Cell Research & Therapy (2014).
6. Steroid-induced osteonecrosis of the femoral head reveals enhanced reactive oxygen species and hyperactive osteoclasts. International Journal of Biological Sciences (2020).