Exploratory Study of the Effects of Peptide PMS-001 on Long-Delay Recall in Patients With Moderate to Severe Dementia

Inclusion Criteria:

1. Participants must be aged 60 to 80 years (inclusive) at the time of screening,regardless of gender.

2. Participants must have a Clinical Dementia Rating (CDR) total score > 1, indicatingmoderate to severe dementia.

3. Participants must provide written informed consent to participate in the study.

Exclusion Criteria:

1. Presence of other neurological diseases that may cause cognitive decline, such ascerebrovascular disease, encephalitis, brain tumors, traumatic brain injury,epilepsy, Parkinson's disease, etc.

2. Presence of metabolic diseases that may cause cognitive decline, such as anemia,thyroid dysfunction, folate and vitamin B12 deficiency, etc.

3. Presence of severe psychiatric disorders, such as major depression.

4. History of carbon monoxide poisoning.

5. Presence of acute or severe life-threatening diseases.

6. Presence of severe visual, auditory, or language impairments that would prevent thecompletion of neuropsychological assessments.

7. Current use of psychotropic medications or a history of substance abuse.

8. Individuals with specific allergy histories, or those with a history of allergies totwo or more medications, foods (such as milk), or pollen (excluding untreated,asymptomatic seasonal allergies), or known allergies to components of the study drugor similar agents.