Injectable Hydrogen Gel Reduces Joint Damage in Arthritis Study

Authors
Journal
Acta Biomaterialia
Year
DOI
10.1016/j.actbio.2022.12.056
Study Type
Rat
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Osteoarthritis
Body System
Musculoskeletal

TL;DR

Scientists developed a special gel that releases hydrogen gas to reduce inflammation and slow down the damage in joints caused by osteoarthritis when injected just once.

Key Finding

An injectable hydrogel loaded with calcium boride nanoparticles released hydrogen gas for over one week and significantly reduced joint destruction in osteoarthritis rat models with a single injection.

Summary

Researchers developed an injectable gel containing calcium boride nanoparticles that slowly releases hydrogen gas directly into the joint. In rat studies, this gel reduced harmful molecules called reactive oxygen species and inflammatory chemicals that damage joints in osteoarthritis, while promoting protective immune cells. A single injection significantly reduced joint damage in arthritic rats over the study period.

Practical Takeaway

This is early-stage research in animals only, not yet tested in humans. While the results suggest hydrogen gas delivery via this gel formulation may help reduce osteoarthritis progression, much more research is needed before any clinical use. The sustained-release approach is novel, but its safety and effectiveness in people remain unknown.

Abstract (excerpt)

Excessive production of reactive oxygen species (ROS) amplifies pro-inflammatory pathways and exacerbates immune responses, and is a key factor in the progression of osteoarthritis (OA). Therapeutic hydrogen gas (H2) with antioxidative and anti-inflammatory effects, has a potential for OA…

Read the full abstract via DOI