Treatment of Periodontal Disease in Patients With Alzheimer's Disease
Primary Purpose
Periodontitis, Alzheimer Disease, Dementia
Status
Not yet recruiting
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
periodontal therapy
Sponsored by
About this trial
This is an interventional treatment trial for Periodontitis
Eligibility Criteria
Inclusion Criteria:
- Subject has primary school education or above.
- Subject has probable AD dementia according to the NIA-AA criteria.
- Subject has brain MRI scan consistent with the diagnosis of AD performed during the screening period. Computed Tomography scan can be used only if the subject has an absolute contraindication for MRI.
- Subject has a Modified Hachinski score ≤4 at screening.
- Subject has an MMSE score ≥15 at screening.
- Subjects with background symptomatic therapy with acetylcholine esterase inhibitors, and/or memantine, are allowed as long as the dose has been stable for 90 days prior to screening and no changes are planned during the study.
- Subject has a primary caregiver willing to accept responsibility for supervising the treatment (e.g., administering study drug) and assessing the condition of the subject throughout the study in accordance with all protocol requirements.
- Subject has body mass index <38 kg/m2 at Screening
Exclusion Criteria:
- Subject has imaging consistent with a dementia diagnosis other than AD.
- Subject has had an increase or restoration of cognition based on medical history.
- Subject with history or current evidence of major psychiatric illness such as schizophrenia, bipolar disorder, or major depressive disorder that may interfere with the patient's ability to perform the study and all assessments. NOTE: Mild depression or depressive mood arising in the context of AD are not criteria for exclusion. The use of anti-depressants or the use of anti epileptic medication for non seizure-related treatment is allowed if the dose has remained stable for at least 60 days prior to enrollment.
- Subject is fitted with pacemakers (except for new compatible products), large ferromagnetic implants, or implanted electronic devices such as cochlear implants, magnetic metal drug infusion pumps, nerve stimulators, diaphragmatic stimulators and injection pumps, physiological stimulators, and cardiac mechanical valves.
- Subject has magnetic metal foreign body or prosthesis in eye, magnetic metal joint or ferromagnetic foreign body in body.
- Subject has epilepsy or claustrophobia.
- Subject had received antibiotics or periodontal treatment within the last 6 months.
- Subject had taken aspirin, warfarin and other anticoagulant drugs in the last 6 months.
Subject has any of the following laboratory findings at screening:
- Coagulation disorders.
- Hemoglobin ≤10 g/dl.
- Poorly controlled diabetes as defined by hemoglobin A1C (HbA1C) >8.
- Positive blood screen for Human Immunodeficiency Virus (HIV 1 and 2), Hepatitis B surface antigen (HBsAg), or Hepatitis C virus antibodies (HCV-Ab) at Screening.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm Type
No Intervention
Experimental
Arm Label
Control Group
Periodontal therapy
Arm Description
Group will not receive treatment: periodontal therapy
Group will receive treatment: periodontal therapy
Outcomes
Primary Outcome Measures
Alzheimer's Disease Assessment Scale-Cognitive Subscale 11 (ADAS-Cog 11)
Mean change in Alzheimer's Disease Assessment Scale-Cognitive Subscale 11 (ADAS-Cog 11) from baseline to the end of treatment period. ADAS-Cog 11 measures cognitive functions and non-cognitive functions such as mood and behavior. Total scores range from 0-70, with higher scores (≥ 18) indicating greater cognitive impairment. ADAS-Cog 11 score increases by 2-4 points per year on average in subjects with mild to moderate Alzheimer's Disease. A treatment period of 52 weeks was selected to allow sufficient time to demonstrate at least 2.5 points difference between active treatment and placebo on ADAS-Cog 11 at the end of the treatment period.
ADCS-ADL
Change in Alzheimer's Disease Cooperative Study Group-Activities of Daily Living (ADCS-ADL)
Secondary Outcome Measures
MMSE
Change in Alzheimer's Disease Cooperative Study Group-Activities of Daily Living Change in Mini-Mental State Examination (MMSE).
MoCA
Change in Montreal Cognitive Assessment Scale
Full Information
NCT ID
NCT05183321
First Posted
December 26, 2021
Last Updated
February 15, 2022
Sponsor
Wuhan Union Hospital, China
1. Study Identification
Unique Protocol Identification Number
NCT05183321
Brief Title
Treatment of Periodontal Disease in Patients With Alzheimer's Disease
Official Title
Treatment of Periodontal Disease in Patients With Alzheimer's Disease: Randomized Controlled Trial
Study Type
Interventional
2. Study Status
Record Verification Date
February 2022
Overall Recruitment Status
Not yet recruiting
Study Start Date
April 1, 2022 (Anticipated)
Primary Completion Date
December 31, 2026 (Anticipated)
Study Completion Date
December 31, 2026 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Wuhan Union Hospital, China
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
Yes
5. Study Description
Brief Summary
The main objective of this study is to evaluate the effect of periodontal therapy in in subjects with a clinical diagnosis of mild to moderate AD dementia.
Detailed Description
This is a randomized, controlled study that will assess the effects of periodontal therapy in subjects with probable AD dementia according to the National Institute on Aging-Alzheimer's Association (NIA-AA) criteria. The study will enroll approximately 190 generally healthy male and female subjects ≥55 and ≤80 years of age. Enrolled subjects must have a documented diagnosis of mild to moderate AD dementia. The subject should not have other conditions or brain imaging abnormalities that can explain the symptoms of dementia. All subjects will be encouraged to have LPs (during screening, week 28 and week 52) in the absence of medical conditions that can increase the risk of the procedure in the opinion of the Investigator. Cerebrospinal fluid (CSF) and blood will be analyzed for measurements of biomarkers of AD and neuroinflammation, PiB-PET will be done for assessment of AD. A subset of sites will monitor subjects for clinical evidence of periodontitis at baseline, 28 and 52 weeks.
The study will consist of 3 phases: a screening phase of up to 8 weeks, a treatment phase of up to 52 weeks, and a safety follow-up phase of 8 weeks.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Periodontitis, Alzheimer Disease, Dementia
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
190 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
Control Group
Arm Type
No Intervention
Arm Description
Group will not receive treatment: periodontal therapy
Arm Title
Periodontal therapy
Arm Type
Experimental
Arm Description
Group will receive treatment: periodontal therapy
Intervention Type
Procedure
Intervention Name(s)
periodontal therapy
Intervention Description
periodontal cleaning
Primary Outcome Measure Information:
Title
Alzheimer's Disease Assessment Scale-Cognitive Subscale 11 (ADAS-Cog 11)
Description
Mean change in Alzheimer's Disease Assessment Scale-Cognitive Subscale 11 (ADAS-Cog 11) from baseline to the end of treatment period. ADAS-Cog 11 measures cognitive functions and non-cognitive functions such as mood and behavior. Total scores range from 0-70, with higher scores (≥ 18) indicating greater cognitive impairment. ADAS-Cog 11 score increases by 2-4 points per year on average in subjects with mild to moderate Alzheimer's Disease. A treatment period of 52 weeks was selected to allow sufficient time to demonstrate at least 2.5 points difference between active treatment and placebo on ADAS-Cog 11 at the end of the treatment period.
Time Frame
52 weeks
Title
ADCS-ADL
Description
Change in Alzheimer's Disease Cooperative Study Group-Activities of Daily Living (ADCS-ADL)
Time Frame
52 weeks
Secondary Outcome Measure Information:
Title
MMSE
Description
Change in Alzheimer's Disease Cooperative Study Group-Activities of Daily Living Change in Mini-Mental State Examination (MMSE).
Time Frame
52 weeks
Title
MoCA
Description
Change in Montreal Cognitive Assessment Scale
Time Frame
52 weeks
Other Pre-specified Outcome Measures:
Title
PiB-PET
Description
Change in PiB-PET
Time Frame
52 weeks
Title
Tau-PET
Description
Change in Tau-PET
Time Frame
52 weeks
Title
Tau levels in cerebrospinal fluid
Description
Change in Tau levels in cerebrospinal fluid
Time Frame
52 weeks
Title
Aβ levels in cerebrospinal fluid
Description
Change in Aβ levels in cerebrospinal fluid
Time Frame
52 weeks
Title
Magnetic resonance imaging
Description
Change in magnetic resonance imaging
Time Frame
52 weeks
Title
Periodontal (or gum) pocket depth
Description
Change in periodontal (or gum) pocket depth
Time Frame
52 weeks
10. Eligibility
Sex
All
Minimum Age & Unit of Time
55 Years
Maximum Age & Unit of Time
80 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Subject has primary school education or above.
Subject has probable AD dementia according to the NIA-AA criteria.
Subject has brain MRI scan consistent with the diagnosis of AD performed during the screening period. Computed Tomography scan can be used only if the subject has an absolute contraindication for MRI.
Subject has a Modified Hachinski score ≤4 at screening.
Subject has an MMSE score ≥15 at screening.
Subjects with background symptomatic therapy with acetylcholine esterase inhibitors, and/or memantine, are allowed as long as the dose has been stable for 90 days prior to screening and no changes are planned during the study.
Subject has a primary caregiver willing to accept responsibility for supervising the treatment (e.g., administering study drug) and assessing the condition of the subject throughout the study in accordance with all protocol requirements.
Subject has body mass index <38 kg/m2 at Screening
Exclusion Criteria:
Subject has imaging consistent with a dementia diagnosis other than AD.
Subject has had an increase or restoration of cognition based on medical history.
Subject with history or current evidence of major psychiatric illness such as schizophrenia, bipolar disorder, or major depressive disorder that may interfere with the patient's ability to perform the study and all assessments. NOTE: Mild depression or depressive mood arising in the context of AD are not criteria for exclusion. The use of anti-depressants or the use of anti epileptic medication for non seizure-related treatment is allowed if the dose has remained stable for at least 60 days prior to enrollment.
Subject is fitted with pacemakers (except for new compatible products), large ferromagnetic implants, or implanted electronic devices such as cochlear implants, magnetic metal drug infusion pumps, nerve stimulators, diaphragmatic stimulators and injection pumps, physiological stimulators, and cardiac mechanical valves.
Subject has magnetic metal foreign body or prosthesis in eye, magnetic metal joint or ferromagnetic foreign body in body.
Subject has epilepsy or claustrophobia.
Subject had received antibiotics or periodontal treatment within the last 6 months.
Subject had taken aspirin, warfarin and other anticoagulant drugs in the last 6 months.
Subject has any of the following laboratory findings at screening:
Coagulation disorders.
Hemoglobin ≤10 g/dl.
Poorly controlled diabetes as defined by hemoglobin A1C (HbA1C) >8.
Positive blood screen for Human Immunodeficiency Virus (HIV 1 and 2), Hepatitis B surface antigen (HBsAg), or Hepatitis C virus antibodies (HCV-Ab) at Screening.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Lili Chen, PhD
Phone
0086-027-85726480
Email
lily-c1030@163.com
First Name & Middle Initial & Last Name or Official Title & Degree
Mengru Xie
Phone
0086-027-85726480
Email
hbxiemengru@163.com
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Lili Chen
Organizational Affiliation
Wuhan Union Hospital, China
Official's Role
Study Chair
12. IPD Sharing Statement
Learn more about this trial
Treatment of Periodontal Disease in Patients With Alzheimer's Disease
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