Hemostatic Technologies and Biomaterials for Trauma Management

Uncontrolled bleeding remains a leading cause of death in civilian and military trauma. Advances in haemostatic technologies and biomaterials aim to provide rapid, targeted control of haemorrhage both at the body surface and within inaccessible internal injuries. Topical agents such as peptides, polymers and metal-organic frameworks (MOFs) are engineered to promote clot formation on contact, while injectable systems—including nanoparticle-based constructs and synthetic platelet mimetics—seek to stabilise blood loss systemically. Key design criteria encompass biocompatibility, ease of storage and deployment, mechanical robustness, and specific interaction with the coagulation cascade. Emerging materials integrate multiple functions—localisation to injury sites, antimicrobial action, and controlled degradation—to address the logistical and physiological challenges of trauma care in austere environments.

Research from Nature Portfolio

Innovative magnetic nanoparticles carrying thrombin have been shown to accelerate clot formation in internal bleeding models by localising enzymatic activity under an external magnetic field, achieving a more than sixfold reduction in haemostasis time without systemic thrombosis. Intravenous synthetic platelet-mimetic nanoconstructs replicate key adhesion and activation functions of natural platelets, reducing blood loss and stabilising haemodynamics when administered within the critical “golden hour” of arterial injury in large-animal studies. Peptide-based nanoscale sealants inspired by the structure and crosslinking chemistry of fibrin assemble rapidly via ionic and covalent interactions to form mechanically robust clots, offering a biodegradable alternative for rapid sealing of vascular breaches.

Hemostatic Technologies and Biomaterials for Trauma Management publication trend

The graph below shows the total number of articles in hemostatic technologies and biomaterials for trauma management across all publications each year (not limited to Nature Index journals).

Technical terms

Haemostasis: The physiological process that stops bleeding through vessel constriction, platelet aggregation and fibrin clot formation.

Biomaterial: A synthetic or natural substance engineered to interact with biological systems for therapeutic or diagnostic purposes.

Nanoconstruct: A nanoscale assembly of materials designed to perform specific biomedical functions, such as targeted drug delivery or clot promotion.

Hydrogel: A three-dimensional polymer network capable of retaining large volumes of water, used for topical haemostasis and as a scaffold for tissue repair.

Metal-organic framework: A porous crystalline material composed of metal ions coordinated to organic linkers, employed for controlled delivery and targeted binding to injury sites.

References

1. Thrombin@Fe3O4 nanoparticles for use as a hemostatic agent in internal bleeding. Scientific Reports (2018).
2. Intravenous synthetic platelet (SynthoPlate) nanoconstructs reduce bleeding and improve ‘golden hour’ survival in a porcine model of traumatic arterial hemorrhage. Scientific Reports (2018).
3. Engineered isopeptide bond stabilized fibrin inspired nanoscale peptide based sealants for efficient blood clotting. Scientific Reports (2017).
4. A Bionic Self-Assembly Hydrogel Constructed by Peptides With Favorable Biosecurity, Rapid Hemostasis and Antibacterial Property for Wound Healing. Frontiers in Bioengineering and Biotechnology (2022).
5. Cuboidal tethered cyclodextrin frameworks tailored for hemostasis and injured vessel targeting. Theranostics (2019).