Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-25 @ 3:00 AM
Ignite Modification Date: 2025-12-25 @ 3:00 AM
NCT ID: NCT04443933
Eligibility Criteria: Inclusion Criteria: * Age from 65 years to 85 years; * The patient is about to have major surgery for the first time and the operation is non-cardiac surgery; * Written informed consent is obtained before the surgery. Exclusion Criteria: * mental illness; * Already have other diseases that can cause dementia, such as Alzheimer's disease, Lewy body dementia, Frontotemporal dementia, progressive supranuclear palsy, Parkinson's disease, Creutzfeldt-Jakob disease, Huntington's disease, alcohol and drug dependence, Neurosyphilis, systemic lupus erythematosus; or preoperative MRI shows hippocampal and temporal lobe atrophy more than two levels, suggesting the possibility of Alzheimer's disease * Have suffered from other brain diseases (such as stroke, multiple sclerosis, central nervous system infection with sequelae, etc.); * Preoperative MRI indicates covert stroke * MMSE or MoCA scale cannot be completed due to other reasons (such as hearing impairment or visual impairment) * MRI contraindications before or after surgery or patients who cannot tolerate MRI imaging * Stage 3 or 4 malignant tumors, and high malignancy and poor prognosis cancer, such as pancreatic cancer, gallbladder cancer, and bile duct cancer.
Healthy Volunteers: False
Sex: ALL
Minimum Age: 65 Years
Maximum Age: 85 Years
Study: NCT04443933
Study Brief:
Protocol Section: NCT04443933