The Role of Cognitive Function & Electroencephalography on Acute & Chronic

Status Enrolling by invitation

Clinical Trial Summary

The project will apply the methods of clinical observation experiment, (1) to collect the cognitive function data preoperatively and early postoperatively, as well as the pain score data at multiple time points pre- and postoperatively, and to observe the role of the degree of recovery of early postoperative cognitive function on acute pain and chronic pain after surgery. (2) to collect the resting-state electroencephalography (EEG) preoperatively, and to assess the role of EEG index system on the prediction of the degree of recovery of early postoperative cognitive function as well as the acute pain and chronic pain after surgery.

Clinical Trial Description

Patients after surgery are liable to suffer from moderate to severe acute pain and refractory chronic pain, which would lead to serious somatic and psychological suffering. Its successful treatment is a great challenge for pain physicians. To date, the mechanism of pain chronification after surgery remains unclear. Further, it is still lack of efficient preventive and therapeutic measures for this chronic pain. The project will apply the methods of clinical observation and animal experiment, (1) to collect the cognitive function data preoperatively and early postoperatively, as well as the pain score data at multiple time points pre- and postoperatively, and to observe the role of the degree of recovery of early postoperative cognitive function on acute pain and chronic pain after thoracic surgery. (2) to collect the resting-state electroencephalography (EEG) preoperatively, and to assess the role of EEG index system on the prediction of the degree of recovery of early postoperative cognitive function as well as the acute pain and chronic pain after thoracic surgery. The project will be able to determine the relationships between the degree of recovery of early postoperative cognitive function, as well as preoperative resting-state EEG indices and postoperative acute pain and chronic pain, and clarify the neural mechanism of acute pain and chronic pain after surgery. The expected outcomes of this study can contribute to early identification of the patients who are liable to develop into acute pain and chronic pain after surgery, and give them reasonable intervention in time, and provide effective solutions for the acute pain and chronic pain after surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03761576
Study type	Observational
Source	Peking University People's Hospital
Contact
Status	Enrolling by invitation
Phase
Start date	December 21, 2018
Completion date	October 31, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Role of Cognitive Function and Electroencephalography on Acute and Chronic Pain After Surgery

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms