Clinical trial NCT02982642: Efficacy and Safety of 1612 Capsules in aMnestic Mild Cognitive Impairment
Official title: The Safety and Efficacy of 1612 Capsules in Treatment of aMnestic Mild Cognitive Impairment: a 52-week, Double Blind,Randomized, Parallel,Placebo Controlled Trial.
Study type: INTERVENTIONAL
Overall status: WITHDRAWN
Phase: PHASE4
Conditions: Mild Cognitive Impairment
Lead sponsor: Dongzhimen Hospital, Beijing
Sponsor class: OTHER
First posted: 2016-12-05
Enrollment: 0
Sex: ALL
Minimum age (years): 55
Maximum age (years): 85
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: This study is a 52-weeks, multicenter, randomized, double-blind, placebo controlled, parallel trial which will be carried out in 15 centers around China. The study population includes amnestic mild cognitive impairment patients (planned a total of 240) aged 55-85 in both gender. Participants will be randomly allocated to 1612 capsules (1.14g per time, 3 times per day) or placebo for a 52-weeks double-blind treatment period. The primary outcome measure is change from baseline in the Alzheimer's Disease Assessment Scale- Cognition Subscale (ADAS-cog) and rate of conversion to dementia. The secondary outcomes are changes from baseline in the Mini-Mental State Examination (MMSE), Delayed Story Recall test (DSR), Alzheimer's Disease Cooperative Study/Activities of Daily Living scale adapted for MCI patients (ADCS/MCI/ADL24). Safety is being assessed by observing side effects and adverse reaction during the entire treatment period. Statistical analysis will be conducted according to per-protocol population and intend-to-treat population and the safety will be analyzed in safety set.


Eligibility criteria: Inclusion Criteria:

Patients should be enrolled if they met the following criteria\[14\]:

1. cognitive complaints from the patients or their families;
2. objective evidence for memory impairment, delayed story recall test(DSR)\<12.6(age50-64 less than15.5,65-74less than 12.5,older 75 less than10);
3. normal general cognitive function, with Mini-Mental State Examination (MMSE) score of between 24 and 30 (including 30);
4. preservation of activities of daily living, with Alzheimer's Disease Cooperative Study/Activities of Daily Living scale adapted for MCI patients (ADCS/MCI/ADL24) score between 38 and 52;
5. cognitive disorders as evidenced by clinical evaluation, with clinical dementia rating scale=0.5,memory domain = 0.5;
6. absence of dementia, not sufficiently impaired cognitively and functionally to meet DSM-IV criteria,
7. enough vision and hearing to accomplishment neuropsychological test;
8. capability to read words and write simple sentence;
9. capability and willingness to give informed consent and to comply with the study procedures.

Exclusion Criteria:

The patients would be ineligible if they had the following conditions:

1. non amnestic Mild cognitive impairment;
2. meeting the diagnostic criteria for dementia;
3. cognitive impairment resulting from conditions such as acute cerebral trauma, cerebral damage due to a lack of oxygen, epilepsy vitamin deficiency, infections such as meningitis or AIDS, significant endocrine or metabolic disease, mental retardation, or a brain tumor ,or drug abuse or alcohol abuse
4. having significant psychiatric disease, depression, the Hamilton depression scale \>12; CT or MRI scan showed central nervous system infections Infarction or focal lesions within 12 months，the Hachinski Ischemic Scale (HIS)\>4;
5. combined following disease: diabetes; poor controlled hypertension or severe arrhythmias; or suffered from heart infarction within 3 months; severe asthma or COPD; severe indigestion; gastrointestinal tract obstruction; gastroduodenal ulcer;
6. used cholinesterase inhibitors or memantine within 1 month;
7. history of hypersensitivity to the treatment drugs;
8. concomitant drugs with the potential to interfere with cognition;
9. administration of other investigational drugs; severe impairment of the functions of the kidney or liver;
10. vegetarians or contraindications for animal innards.

Primary outcomes:
measure: Change in cognitive scores: Alzheimer Disease Assessment Scale-cognitive subscale (ADAS-cog)
timeFrame: 52 weeks
measure: Change from baseline to end of double-blind treatment of rate of dementia conversion from mild cognitive impairment
timeFrame: 52 weeks
Secondary outcomes:
measure: Change from baseline to end of double-blind treatment of Mini-Mental State Examination(MMSE)
timeFrame: 52 weeks
measure: Change from baseline to end of double-blind treatment of Delayed Story Recall test (DSR)
timeFrame: 52 weeks
measure: Change from baseline to end of double-blind treatment of Alzheimer's Disease Cooperative Study/Activities of Daily Living scale adapted for MCI patients (ADCS/MCI/ADL24)
timeFrame: 52 weeks
Other outcomes:
Locations:
city: Beijing
country: China
facility: Dongzhimen Hospital ,Beijing University of Chinese Medicine
state: Beijing
Study officials:
affiliation: Dongzhimen Hospital, Beijing
name: Jinzhou Tian, M.D,PhD
role: PRINCIPAL_INVESTIGATOR
References: