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Choosing between NSAID and arnica for topical treatment of hand osteoarthritis in a randomised, double-blind study

  • Reto Widrig
  • Andy Suter
  • Reinhard Saller
  • Jörg Melzer
Original Article

Abstract

The use of topical preparations for symptom relief is common in osteoarthritis. The effects of ibuprofen (5%) and arnica (50 g tincture/100 g, DER 1:20), as gel preparations in patients with radiologically confirmed and symptomatically active osteoarthritis of interphalangeal joints of hands, were evaluated in a randomised, double-blind study in 204 patients, to ascertain differences in pain relief and hand function after 21 days’ treatment. Diagnosis was according to established criteria; primary endpoints were pain intensity and hand function; statistical design was as per current regulatory guidelines for testing topical preparations. There were no differences between the two groups in pain and hand function improvements, or in any secondary end points evaluated. Adverse events were reported by six patients (6.1%) on ibuprofen and by five patients (4.8%) on arnica. Our results confirm that this preparation of arnica is not inferior to ibuprofen when treating osteoarthritis of hands.

Keywords

Osteoarthritis Ibuprofen gel Arnica gel Randomised trial Gel treatment 

Notes

Acknowledgments

RS conceived the overall project plan. RW was the Principal Investigator. The following doctors treated and evaluated patients in the 20 study clinics: D. Kähler (Wil); R. Widrig (St Gallen); D. Geiger (Au); S. Bachmann (Valens); H. Martin (Gossau); M. Burla (Zürich); B. Kindler (Zürich); M. Senn (Zürich); U. Aufdenblatten (Zürich); H. Sajdl (Zürich); K. Grimm (Dietikon); E. Zeley-Zimonyi (Zürich); M. Steigbügel (Wald); U. Pachlatko (Ebmatingen); M. Tejero (Baden); B. Haldemann (Küttigen); H. Maurer (St Gallen); F. Akermann (Buchs); F. Jaggi (Zürich); A. Stevka (Zürich); H. Steinemann (St Gallen). Statistical analysis was conducted by DSH Statistical Services GmbH, Germany.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Reto Widrig
    • 1
  • Andy Suter
    • 2
  • Reinhard Saller
    • 3
  • Jörg Melzer
    • 3
  1. 1.Rheumatology ClinicSt GallenSwitzerland
  2. 2.Bioforce AGRoggwilSwitzerland
  3. 3.Department of Internal Medicine, Institute of Complementary MedicineUniversity Hospital ZurichZurichSwitzerland

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