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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03613012
Other study ID # RMYYMZK-5590
Secondary ID
Status Completed
Phase
First received
Last updated
Start date August 6, 2018
Est. completion date November 10, 2018

Study information

Verified date November 2018
Source Peking University People's Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Pain is a subjective feeling,and pain experts have been trying to assess it using objective methods. Pain index (PI) is extracted from electroencephalographic as an objective diagnostic tool for chronic pain. This study is a diagnostic test aims to explore the reliability and validity of PI, with numerical rating scale(NRS) as the gold standard.


Description:

Chronic pain outpatients between 18 and 80 years old, NRS ≥4 at first visit and receive injection or shockwave therapy will be included. After informed consents signed, the age, gender, dominant hand and hospital anxiety and depression scale (HADS) will be collected. Each patient will be connected with a multifunctional monitor HXD-1 for 8 minutes to access EEG in a quiet environment before pain treatment and 30 minutes after pain treatment. NRS will also be recorded before pain treatment and 30 minutes after pain treatment. PI will be extracted from EEG by analysts.

In order to reduce environmental effects, the same quiet research environment will be used throughout the study. All data will be obtained and recorded by the same person, and all PI will be analyzed and calculated by the same person.

SPSS 20.0 will be used to analyze the data, Pearson's correlations and Kappa consistency test to analyze the validity and reliability of PI. The receiver operating characteristic curve will be use to analyze the sensitivity and specificity of PI to evaluating moderate and severe pain(NRS≥4). A multiple linear regression equation with PI as dependent variable and anxiety score and depression score as independent variables will be used to evaluate the influence of anxiety and depression on PI.


Recruitment information / eligibility

Status Completed
Enrollment 111
Est. completion date November 10, 2018
Est. primary completion date November 2, 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- 1.chronic pain patients diagnosed lumbar disc herniation, osteoarthritis or other chronic pain diseases, who will received injection therapy or shockwave therapy at clinic.

- 2.patients age 18-80 years-old

- 3.patients with an NRS pain score = 4,

- 4.patients who voluntarily participate in the test and sign the informed consent forms.

Exclusion Criteria:

- 1.patients with central nervous system disorders, such as epilepsy, cerebral infarction, or cerebral hemorrhage,

- 2.patients with mental disorders,

- 3.patients with a history of long-term use of psychotropic drugs.

- 4.patients who can't understand NRS.

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Pain index
Record the patients' EEG and extract pain index before and after pain treatments

Locations

Country Name City State
China Peking University People's Hospital Beijing Beijing

Sponsors (1)

Lead Sponsor Collaborator
Peking University People's Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pain index Pain index is extracted from EEG accessed by a multifunctional monitor HXD-1 30 mins after treatment
Secondary Hamilton Anxiety and Depression Scale(HADS) Validated Chinese version of Hamilton Anxiety and Depression Scale is completed by the trained doctor.The HAD scale contains two sub-scales of anxiety and depression, consisting of 14 items, of which 7 items are rated as depression, 7 items are assessed as anxiety.Each item is scored from 0 to 3 points.Therefore, the anxiety subscale ranges from 0 to 21,and higher values represent a worse outcome: 0~7:asymptomatic, 8~10:suspicious presence; 11 to 21: existed.The depression subscale is scored in the same way as the anxiety scale. baseline
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