Suarez‐Almazor.

Trial name or title	Interaction between patient and healthcare provider: response to acupuncture in knee osteoarthritis
Methods
Participants	Patients with OA of the knee (N = 760)
Interventions	Single‐blind RCT comparing acupuncture versus sham acupuncture
Outcomes	placebo effects, pain
Starting date	Start date: September 2002Expected date of completion: August 2006
Contact information	med@bcm.tmc.edu
Notes	Location: Study based at the Baylor College of Medicine in Houston, TexasSponsor: US National Center for Complementary and Alternative Medicine (Grant number: 5R01AR049999‐02)