Table 1.
Differences between the hyaluronic acid gels.
| Euflexaa® | Synvisc® | Orthovisc® | Supartz® | |
|---|---|---|---|---|
| Distributor (Manufacturer) | Ferring Pharmaceutical Inc. (Bio-Technology Group) | Sanofi-aventis U.S. LLC (Sanofi) | DePuy Mitek, Inc. (Anika Therapeutics Inc.) | Bioventus LLC (Seikagaku Co.) |
| HA source | Bacterial cells | Avian (Rooster combs) | Bacterial cells | Avian (Rooster combs) |
| Molecular Weight (dalton) | 2.4–3.6 M | 6 M (Average) | 1.0–2.9 M | 0.62–1.17 M |
| HA Concentration | 1% sodium Hyaluronate | 0.8% sodium Hyaluronate | 1.5% sodium Hyaluronate | 1% sodium Hyaluronate |
| HA Structure | Single-chain | Cross-linked | Single-chain | Single-chain |