Derris Scandens Benth Extract VS Naproxen in Knee OA

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00503828
Recruitment Status : Completed
First Posted : July 19, 2007
Last Update Posted : January 13, 2010
Ministry of Health, Thailand
Information provided by:
Mahidol University

Brief Summary:
Derris Scandens Benth (family : Leguminosae) is a woody vine growing throughout Southeast Asia, including Thailand. The stem of D.Scandens has been widely use in Thai traditional medicine, foe example of myalgia. Previous study shown that D.Scandens Benth extract has the anti-inflammatory activity. Although NSAIDs are efficaciously in the treatment of osteoarthritis,but the GI side effect is still concerned. In this study we aim to investigate the efficacy and safety of D. Scandens Benth extract compared with Naproxen for therapy of patients with knee osteoarthritis.

Condition or disease Intervention/treatment Phase
Knee Osteoarthritis Drug: Derris scandens Benth extracts Drug: naproxen Phase 3

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 120 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single
Primary Purpose: Treatment
Official Title: The Efficacy and Safety of Derris Scandens Benth Extract and Naproxen for Therapy of Patients With Knee Osteoarthritis
Study Start Date : July 2007
Actual Primary Completion Date : March 2009
Actual Study Completion Date : March 2009

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Osteoarthritis

Arm Intervention/treatment
Active Comparator: naproxen
Naproxen 500 mg/day for 4 weeks
Drug: naproxen
Naproxen 500 mg/day for 4 weeks

Experimental: Derris Scandens Benth
Derris Scandens Benth
Drug: Derris scandens Benth extracts
Derris scandens Benth extracts (oral) 400 mg twice per day for 4 weeks

Primary Outcome Measures :
  1. WOMAC score [ Time Frame: 2, 4 weeks ]

Secondary Outcome Measures :
  1. 6-minute walk, Quality of Life, adverse event [ Time Frame: 2, 4 weeks ]

Information from the National Library of Medicine

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Ages Eligible for Study:   50 Years to 80 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Age >=50 yr
  • Known case of primary knee osteoarthritis
  • WOMAC pain subscale (item1) >= 5
  • signed informed consent

Exclusion Criteria:

  • hypersensitive to NSAIDs
  • history of peptic ulcer or melena
  • unable to walk , i.e. patient with severe spinal stenosis, myocardial infarction
  • history of intra-articular injection of knee within 3 months
  • status post knee replacement

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00503828

Siriraj Hospital
Bangkoknoi, Bangkok, Thailand, 10700
Sponsors and Collaborators
Mahidol University
Ministry of Health, Thailand
Principal Investigator: Vilai Kuptniratsaikul, Assoc.Prof. Department of Rehabilitation Medicine, Faculty of Medicine Siriraj Hospital

Responsible Party: Department of Medical Sciences Identifier: NCT00503828     History of Changes
Other Study ID Numbers: Siriraj CEU 50-001
First Posted: July 19, 2007    Key Record Dates
Last Update Posted: January 13, 2010
Last Verified: June 2009

Keywords provided by Mahidol University:
Derris Scandens Benth extract
6-minute walk

Additional relevant MeSH terms:
Osteoarthritis, Knee
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Inflammatory Agents
Antirheumatic Agents
Gout Suppressants
Cyclooxygenase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action