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A Double-blind RCT of a Single Dose of Hyaluronan in the Treatment of Osteoarthritis of the Ankle

This study has been completed.
Information provided by:
Henry DeGroot, M.D. Identifier:
First received: November 18, 2010
Last updated: March 19, 2012
Last verified: November 2010
To compare the therapeutic effect of single intra-articular injection of hyaluronate with a single intra-articular injection of normal saline (placebo) for osteoarthritis of the ankle.

Condition Intervention
Osteoarthritis Device: hyaluronate intra-articular injection Device: placebo injection

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Double-blind, Randomized, Placebo-controlled Study of the Relative Efficacy of a Single Dose of Hyaluronan in the Treatment of Osteoarthritis of the Ankle

Resource links provided by NLM:

Further study details as provided by Henry DeGroot, M.D.:

Primary Outcome Measures:
  • AOFAS score, difference from mean at 6 weeks and 12 weeks [ Time Frame: 6 weeks 12 weeks ]
    American Orthopaedic Foot and Ankle score

Enrollment: 69
Study Start Date: October 2009
Study Completion Date: September 2010
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: supartz
active intervention arm
Device: hyaluronate intra-articular injection
joint injection in ankle with hyaluronate
Other Name: Supartz
Placebo Comparator: saline injection
placebo intervention arm
Device: placebo injection
joint injection with saline solution for placebo
Other Name: saline injection

Detailed Description:
This study is a randomized, prospective, double-blind (blinded observer) , saline solution-controlled, parallel experimental design. The study device is SUPARTZ (Seikagaku Corporation, Tokyo, Japan) a brand of sodium hyaluronate.

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • To be eligible, subjects had to be at least 18 years old, not pregnant, and have pain and osteoarthritis of the ankle of at least stage 2 on the Kellgren and Lawrence scale.
  • Their AOFAS score had to be 90 points or less out of a possible 100 points.
  • Eligible subjects had to be willing to discontinue all pain medications and NSAIDs other than the rescue pain medications provided in the study.

Exclusion Criteria:

  • Persons with systemic inflammatory condition or infection of the ankle or nearby soft tissues,
  • an injection of steroid or surgery on the involved joint within 6 months,
  • local cellulitis, rash, skin condition
  • diabetic or neuropathic Charcot arthropathy,
  • significant vascular insufficiency,
  • current treatment with anticoagulants,
  • lower extremity pain syndromes, sciatica, sprains, plantar fasciitis,
  • significant ankle instability or malalignment,
  • any known allergy to any of the components of either injection, known or suspected allergy to birds or bird products,
  • disabling degenerative joint disease of the ipsilateral hip, knee or foot were ineligible for the study.
  Contacts and Locations
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Please refer to this study by its identifier: NCT01243814

United States, Massachusetts
The office of Dr. Henry DeGroot
Newton, Massachusetts, United States, 02462
Sponsors and Collaborators
Henry DeGroot, M.D.
Principal Investigator: Henry DeGroot, MD Newton-Wellesley Hospital
  More Information

Responsible Party: Henry DeGroot, M.D., Henry DeGroot Identifier: NCT01243814     History of Changes
Other Study ID Numbers: N08-429
Study First Received: November 18, 2010
Last Updated: March 19, 2012

Keywords provided by Henry DeGroot, M.D.:
hyaluronic acid

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Hyaluronic Acid
Adjuvants, Immunologic
Immunologic Factors
Physiological Effects of Drugs
Protective Agents processed this record on August 17, 2017