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Randomised clinical trial of five ear acupuncture points for the treatment of overweight people
  1. Sujung Yeo1,2,
  2. Kang Sik Kim1,
  3. Sabina Lim1,2
  1. 1Department of Meridian and Acupuncture, Graduate College of Basic Korean Medical Science, Kyung Hee University, Seoul, South Korea
  2. 2Research Group of Pain and Neuroscience, East-West Medical Research Institute, WHO Collaborating Center, Kyung Hee University, Seoul, South Korea
  1. Correspondence to Professor Sabina Lim, Research Group of Pain and Neuroscience, WHO Collaborating Center for Traditional Medicine, East-West Medical Research Institute, Kyung Hee University, Seoul 130-701, South Korea; lims{at}


Objective To evaluate the efficacy of the five ear acupuncture points (Shen-men, Spleen, Stomach, Hunger, Endocrine), generally used in Korean clinics for treating obesity, and compare them with the Hunger acupuncture point.

Methods A randomised controlled clinical trial was conducted in 91 Koreans (16 male and 75 female, body mass index (BMI)≥23), who had not received any other weight control treatment within the past 6 months. Subjects were divided randomly into treatment I, treatment II or sham control groups and received unilateral auricular acupuncture with indwelling needles replaced weekly for 8 weeks. Treatment I group received acupuncture at the five ear acupuncture points, treatment II group at the Hunger acupuncture point only and the sham control group received acupuncture at the five ear acupuncture points used in treatment I, but the needles were removed immediately after insertion. BMI, waist circumference, weight, body fat mass (BFM), percentage body fat and blood pressure were measured at baseline and at 4 and 8 weeks after treatment.

Results For the 58 participants who provided data at 8 weeks, significant differences in BMI, weight and BFM were found between the treatment and control groups. Treatment groups I and II showed 6.1% and 5.7% reduction in BMI, respectively (p<0.004). There were no significant differences between the two treatment groups.

Conclusions This finding suggests that the five ear acupuncture points, generally used in Korean clinics, and the Hunger point alone treatment are both effective for treating overweight people.

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