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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04679259
Other study ID # 30-2020
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date December 21, 2020
Est. completion date January 10, 2023

Study information

Verified date December 2020
Source SMG-SNU Boramae Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Postoperative cognitive dysfunction is defined as a cognitive decline arising after surgery. In the present study, the authors evaluate the level of D-Amino Acid Oxidase, D-serine and Serine in blood as an indicator of postoperative cognitive dysfunction after cardiac surgery.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 149
Est. completion date January 10, 2023
Est. primary completion date December 30, 2022
Accepts healthy volunteers No
Gender All
Age group 50 Years and older
Eligibility Inclusion Criteria: - Patients scheduled for elective cardiac surgery Exclusion Criteria: - MMSE <24 - History of psychological or neurological diseases - Illiteracy

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Blood sampling for assessment of the level of D-Amino Acid Oxidase, D-serine and Serine in blood
Blood sampling is done before surgery and at 1, 2, and 7 day after surgery. The level of D-Amino Acid Oxidase, D-serine and Serine in blood are assessed.
Neurocognitive test
Neurocognitive test is performed before surgery and at 7 day after surgery
Assessment of delirium
Postoperative delirium is assessed daily during 7 days after surgery.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
SMG-SNU Boramae Medical Center

Outcome

Type Measure Description Time frame Safety issue
Primary Change of concentration of D-Amino Acid Oxidase in blood at 1, 2, and 7 day after surgery Blood level of D-Amino Acid Oxidase is assessed. At 1, 2, and 7 day after surgery
Secondary Concentration of D-serine in blood Blood level of D-serine is assessed. At 1, 2, and 7 day after surgery
Secondary Concentration of Serine in blood Blood level of Serine is assessed. At 1, 2, and 7 day after surgery
Secondary The incidence of postoperative cognitive dysfunction The occurrence of postoperative cognitive dysfunction is evaluated at 7 day after surgery At 7 day after surgery
Secondary The incidence of postoperative delirium The incidence of postoperative delirium is evaluated. Daily for 7 days after surgery
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