The Clinical Trial of Chinese Herbal Medicine SaiLuoTong Capsule

This is an interventional treatment trial for Vascular Dementia focused on measuring vascular dementia, cognition, stroke Read More

Inclusion Criteria:

• 40 years old or above, gender is not limited;
• Education≥primary-school;
• Dementia diagnosed according to Diagnostic and Statistical Manual of Mental Disorders-4th Edition (DSM-IV) criteria;
• Probable VaD diagnosed by the National Institute of Neurological Disorders and Stroke-Association Internationale pour la Recherche et l'Enseignement en Neurosciences(NINDS-AIREN) criteria;
• Modified Hachinski ischemic scale(MHIS) total score≥4;
• Evidence of ischemic cerebrovascular disease on magnetic resonance imaging (MRI)and /or CT (corresponding with the imaging criteria of NINDS-AIREN)
• Mild-to-moderate dementia defined by MMSE score between 10 and 26, CDR score between 1 and 2, both inclusive
• Modified Hachinski ischemic scale(MHIS) total score≥4;
• Hamilton depression scale (HAMD) total score≤17;
• The patients agree to participate in the study and able to understand informed consent as well as signing it. In cases where patients are unable to do so, carer's consent will be obtained as proxy;
• There are carers accompanying patients at least 4 days a week and can accompany patients to participate in each visit.

Exclusion Criteria:

• Dementia caused by other brain diseases except VaD (e.g. Alzheimer's disease, Lewy body dementia, frontotemporal dementia, Parkinson's disease, demyelinated disease of the central nervous system, tumour, hydrocephalus, head injury, central nervous system infection including syphilis, acquired immune deficiency syndrome, etc.);
• The patient who can not complete examination because of severe brain or nerve function loss, such as convenient hand hemiplegia, all sorts of aphasia and audio-visual obstacles, etc;
• The presence of abnormal laboratory parameters: Hemoglobin (Hb) and platelet (Plt)less than the lower limit; activated partial thromboplastin time (APTT) beyond the normal value more than 10 seconds, prothrombin time (PT) beyond the normal value more than 3 seconds; creatinine (Cr) more than 1.5 times the upper limit value; alanine aminotransferase (ALT), aspartate aminotransferase (AST), or alkaline phosphates (ALP), γ-glutamyl transferase (γ-GT) more than 2 times the upper limit of normal, total bilirubin (TBiL) more than 1.5 times the upper limit of normal;
• Nutrition metabolic diseases and endocrine system lesions such as thyroid disease, parathyroid diseases,and deficiency of vitamins or other elements;
• Severe circulatory, respiratory, urinary, digestive, hematopoietic system diseases (such as unstable angina, incontrollable asthma, active bleeding, etc.) and cancer;
• Severe mental illness (such as depression, schizophrenia) and epilepsy;
• Gastrointestinal disorders that affect drug absorption, distribution, and metabolism;
• Alcohol and drug abuse;
• Patients who are using and cannot stop the following drugs including Chinese herba preparation containing ginseng, ginkgo leaf or any component of the saffron; medications that may affect cognitive functioning, such as donepezil, rivastigmine, huperzine A, memantine, nimodipine; etc.;
• Known to be allergic to the composition of SaiLuoTong;
• Pregnancy or breast-feeding women;
• New strokes within 3 months before baseline
• Had participated in other clinical trials before this study 3 months prior to this study.