Cross-Linked HA Did Not Outperform Saline - Scorecard - MDSpire
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Cross-Linked HA Did Not Outperform Saline

Two single-injection cross-linked hyaluronic acid formulations showed no statistically significant advantage over saline for pain or functional outcomes through 24 weeks.

  • By

  • Andrea Surnit

  • July 10, 2026

  • 4 min

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Clinical Scorecard: Cross-Linked HA Did Not Outperform Saline

At a Glance

CategoryDetail
ConditionKnee Osteoarthritis
Key MechanismsIntra-articular injections of hyaluronic acid and saline
Target PopulationPatients with symptomatic knee osteoarthritis unresponsive to conservative treatment
Care SettingRandomized trial in a clinical research setting

Key Highlights

  • No significant differences in pain or functional outcomes between Hyruan ONE, hylan G-F 20, and saline.
  • 276 patients participated in a double-blind, placebo-controlled trial.
  • Pain scores decreased from baseline in all groups, but no between-group differences were found.
  • 17% of Hyruan ONE, 21% of hylan G-F 20, and 25% of saline patients required rescue corticosteroids.

Guideline-Based Recommendations

Diagnosis

  • Patients should be diagnosed with primary symptomatic knee osteoarthritis.

Management

  • Intra-articular injections of hyaluronic acid and saline are options for management.

Monitoring & Follow-up

  • Monitor pain and functional outcomes over time.

Risks

  • Potential for inadequate symptom relief and need for rescue corticosteroids.

Patient & Prescribing Data

Patients with symptomatic knee osteoarthritis who have not responded to at least 3 months of conservative treatment.

No superior efficacy of hyaluronic acid formulations over saline was observed.

Clinical Best Practices

    Related Resources & Content

    Original Source(s)

    Cross-Linked HA Did Not Outperform Saline

    • by Andrea Surnit

    • July 10, 2026

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