What question did this study set out to answer?

The study aims to evaluate the in vivo performance of OsteoFlo HydroFiber compared to iliac crest autograft in a rabbit fusion model.

April 22, 2026Global Spine JournalOpen Access

A Novel Nano-Synthetic Hydrophilic Bone Graft (OsteoFlo HydroFiber) Is a Non-inferior Alternative to Iliac Crest Autograft in a Rabbit Posterolateral Fusion Model

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Experimental study compares fusion rates of OsteoFlo HydroFiber and iliac crest autograft in rabbits, indicating similar effectiveness.

The study aims to evaluate the in vivo performance of OsteoFlo HydroFiber compared to iliac crest autograft in a rabbit fusion model.
Conducted spinal fusion using three groups: iliac crest autograft, autograft with OsteoFlo HydroFiber, and OsteoFlo HydroFiber alone.
Assessed outcomes at 4, 8, and 12 weeks using radiographic, microCT, biomechanical, and histological analyses.
Included sixty-nine skeletally mature New Zealand white rabbits.
At 12 weeks, the iliac crest autograft and OsteoFlo HydroFiber groups showed a 60% fusion rate, while the combined group showed 50%.
OsteoFlo HydroFiber groups exhibited significantly greater bone volume compared to the iliac crest autograft group at 12 weeks.

Blom et al. (2026) studied this question.

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