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Non--operative Treatment of the Medial Malleolus in bi- and Trimalleolar Ankle Fractures

This study has been completed.
Information provided by (Responsible Party):
Oslo University Hospital Identifier:
First received: September 15, 2011
Last updated: September 27, 2011
Last verified: September 2011
The purpose of this study was to determine if internal fixation of the medial malleolus is necessary following open reduction and internal fixation of the lateral and, if required, the posterior malleolus treating displaced bi-or trimalleolar ankle fractures.

Condition Intervention
Ankle Malleolus Fracture Bimalleolar
Fracture of Medial Malleolus
Fracture of Ankle
Procedure: Internal fixation

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Non--operative Treatment of the Medial Malleolus in bi- and Trimalleolar Ankle Fractures. A Randomized Controlled Trial

Resource links provided by NLM:

Further study details as provided by Oslo University Hospital:

Primary Outcome Measures:
  • American Orthopaedic Foot and Ankle Society ankle hind foot score (AOFAS) [ Time Frame: Average of 42 months ]
  • The Olerud Molander Ankle score (OMAS) [ Time Frame: Average of 42 months ]

Secondary Outcome Measures:
  • Posttraumatic osteoarthritis (OA) according to the criteria of Magnusson (stage I-IV) [ Time Frame: Average of 42 months ]
  • VAS score [ Time Frame: Average of 42 months ]
    Pain evaluated at rest, in the morning, in the evening and during the night.

Enrollment: 100
Study Start Date: May 2002
Study Completion Date: August 2008
Primary Completion Date: August 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Surgery Procedure: Internal fixation
Internal fixation of the medial malleolus following open reduction and internal fixation of the lateral and, if required, posterior malleolus.


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

Inclusion Criteria:

  • Patients with Orthopaedic Trauma Association (OTA) type 44 fractures (B2-3 and C2-3).

Exclusion Criteria:

  • Patients with OTA type 43 distal tibia fractures.
  • Patients with soft tissue injuries involving the medial malleolus.
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Please refer to this study by its identifier: NCT01441817

Oslo University Hospital
Oslo, Norway, 0424
Sponsors and Collaborators
Oslo University Hospital
  More Information

Responsible Party: Oslo University Hospital Identifier: NCT01441817     History of Changes
Other Study ID Numbers: 224-01077(REK)
REK ( Other Identifier: 224-01077 )
Study First Received: September 15, 2011
Last Updated: September 27, 2011

Additional relevant MeSH terms:
Fractures, Bone
Ankle Fractures
Wounds and Injuries processed this record on April 28, 2017