Clinical Study to Evaluate the Safety and Efficacy of Heating and Cooling Combination Therapeutic Device(OCH-S100)

A Randomized, Double-blind, Multicenter, Parallel Designed Clinical Study to Evaluate the Safety and Efficacy of Heating and Cooling Combination Therapeutic Device(OCH-S100) in Patients With Chronic Low Back Pain

The purpose of this study is to verify the efficacy and safety of heating and cooling combination therapeutic device (OCH-S100) for patients with chronic low back pain (LBP).

The investigators targeted the patients with chronic LBP. After treatment in 2 groups - real heating and cooling combination treatment and sham heating and cooling combination treatment - the investigators will compare the effects of pain relief and improvement in disability and range of motion of lumbar region. So the investigators will confirm the efficacy of heating and cooling combination therapy, and further the best treatment method. In addition, the investigators are going to evaluate the safety of abnormal reaction during the treatment.

Inclusion Criteria:

1. At least 20 years of age, but below 75 years of age
2. Low back pain in the last 3 months or more
3. Low back pain rated over 40 mm on a 100 mm Visual Analog Scale (VAS)
4. Those who are reliable and willing to cooperate in this test, and obey the restrictions for the treatment period.
5. An understanding of the objectives, methods and efficacy of the clinical trial, and willingness in completing the consent form.

Exclusion Criteria:

1. Trauma to or surgery on the lumbar region within 6 months prior to enrollment
2. Low back pain accompanied by sciatica
3. Systematic disease, and severe dysfunction due to the medical illness (e.g. cancer, infection, etc.)
4. A history of medication, oriental medical treatment, physiotherapy for treating low back pain within the last 4 weeks
5. Neurological disease, such as topical or whole body hypoesthesia in temperature sensation (e.g. stroke, peripheral neuropathy, etc.)
6. Hypersensitivity in heating and cooling stimulation
7. Pregnant and lactating women
8. Participate in the other clinical trials within the last 3 months or after enroll this trial
9. When researchers evaluate that it is not appropriate to participate in this clinical test