This study will assess the safety and efficacy of zoledronic acid in patients presenting with spontaneous osteonecrosis of the knee.

Official Title

A Randomized, Double-Blind, Placebo-Controlled, Proof of Concept Study of Zoledronic Acid in Spontaneous Osteonecrosis of the Knee (SONK)

Conditions

Osteonecrosis

Study Type

Interventional

Study Design

Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Safety/Efficacy Study

Further Details

Primary Outcome Measures:

  • Changes from baseline after 3 months in a) knee pain scores (using the KOOS pain subscale), and b) volume of osteonecrotic lesion (indicated by bone marrow oedema) on MRI. [Time Frame: 3 months]

Secondary Outcome Measures:

  • Changes from baseline after 6 months in a) knee pain scores (using the KOOS pain subscale), and b) volume of osteonecrotic lesion (indicated by bone marrow oedema) on MRI. [Time Frame: 6 months]
  • Safety as assessed by adverse events.

Study Start

May 2007

Eligibility & Criteria

  • Ages Eligible for Study: 40 Years – 85 Years
  • Genders Eligible for Study: Both

Inclusion Criteria:

  • Adults 40-85 years of age
  • Diagnosis of painful osteonecrosis of the knee within the last month.

Exclusion Criteria:

  • Intravenous (iv) bisphosphonates within the last 2 years.
  • Abnormal thyroid, kidney or liver function.
  • Abnormal blood calcium or alkaline phosphatase levels.

Other protocol-defined inclusion/exclusion criteria may apply

Total Enrolment

20

Contact Details

  • Novartis Investigative Site, Gordon, NSW,2072, Australia

Contact Novartis Australia

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