Efficacy and Safety of 3 Doses of S47445 Versus Placebo in Patients With Alzheimer's Disease at Mild to Moderate Stages With Depressive Symptoms
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ClinicalTrials.gov Identifier: NCT02626572 |
Recruitment Status :
Completed
First Posted : December 10, 2015
Last Update Posted : August 15, 2018
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Alzheimer's Disease | Drug: S47445 5mg Drug: S47445 15mg Drug: S47445 50mg Drug: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 500 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Efficacy and Safety of 3 Doses of S47445 Versus Placebo in Patients With Alzheimer's Disease at Mild to Moderate Stages With Depressive Symptoms. A 24-week International, Multi-centre, Randomized, Double-blind, Placebo-controlled Phase II Study in Monotherapy Followed by an Optional 28-week Extension Period in Co-administration With Donepezil. |
Study Start Date : | February 2015 |
Actual Primary Completion Date : | September 2017 |
Actual Study Completion Date : | September 2017 |

Arm | Intervention/treatment |
---|---|
Experimental: S47445 5mg |
Drug: S47445 5mg
S47445 5 mg tablets taken orally once a day during breakfast, starting the day after inclusion visit and ending the day of the W024 visit (main period) or starting the day after inclusion visit and ending the day of the W052 visit (period including main period and optional extension period). |
Experimental: S47445 15mg |
Drug: S47445 15mg
S47445 15 mg tablets taken orally once a day during breakfast, starting the day after inclusion visit and ending the day of the W024 visit (main period) or starting the day after inclusion visit and ending the day of the W052 visit (period including main period and optional extension period). |
Experimental: S47445 50mg |
Drug: S47445 50mg
S47445 50 mg tablets taken orally once a day during breakfast, starting the day after inclusion visit and ending the day of the W024 visit (main period) or starting the day after inclusion visit and ending the day of the W052 visit (period including main period and optional extension period). |
Placebo Comparator: Placebo |
Drug: Placebo
Placebo tablets taken orally once a day during breakfast, starting the day after inclusion visit and ending the day of the W024 visit (main period) or starting the day after inclusion visit and ending the day of the W052 visit (period including main period and optional extension period). |
- Change from baseline on 11-item ADAS-Cog [ Time Frame: 24 weeks of treatment ]Cognition criterion
- Activities of Daily Living: Disability Assessment for Dementia (DAD) [ Time Frame: baseline, week 12, week 24 and week 52 ]Key secondary efficacy criterion
- Cognition: 13-item ADAS-Cog [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Other secondary efficacy criteria
- Cognition: Mini-Mental State Examination (MMSE) [ Time Frame: baseline, week 12, week 24 and week 52 ]Other secondary efficacy criteria
- Depressive symptoms: Cornell Scale for Depression in Dementia (CSDD) [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Other secondary efficacy criteria
- Behavioural signs and symptoms: Neuropsychiatric Inventory (NPI) [ Time Frame: baseline, week 4, week 12, week 24 and week 52 ]Other secondary efficacy criteria
- Global Clinic Assessment of Change: Alzheimer's Disease Cooperative Studies-Clinical Global Impression of Change (ADCS-CGIC) [ Time Frame: baseline, week 24 and week 52 ]Other secondary efficacy criteria
- Functionality: Gait task (GT), measure of speed of walking (unit= meters/ seconds) [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Other secondary efficacy criteria
- Adverse events [ Time Frame: through study completion, an average of 1 year ]Safety criterion
- Vital signs: heart rate [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Safety criterion
- Vital signs: body temperature [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Safety criterion
- Vital signs: blood pressure [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Safety criterion
- Vital signs: body weight [ Time Frame: baseline, week 12, week 24, week 38 and week 52 ]Safety criterion
- 12-lead ECG [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Safety criterion
- Biological laboratory parameters: number of participants with abnomal laboratory values [ Time Frame: baseline, week 4, week 12, week 24, week 38 and week 52 ]Safety criterion
- Cornell Scale for Depression in Dementia (CSDD, suicide item - item 16) [ Time Frame: baseline, week 4, week 12, week 24, week 28, week 38 and week 52 ]Safety criterion

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Ages Eligible for Study: | 55 Years to 85 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Out-patients
- Able to perform neuropsychological tests
- Have a responsible informant
- DSM-IV-TR criteria for Dementia of the Alzheimer's Disease Type
- Mini mental State Examination (MMSE) = 15-24 both inclusive
- National Institute of Mental Health (NIMH) provisional criteria for depression in AD (NIMH-dAD)
- Cornell Scale for Depression in Dementia total score > or = 8
- Patients who have never been treated with AD treatments or patients who have stopped AD treatment whatever the reason
- Patients either not currently treated with an antidepressant or patients being treated with an antidepressant at the recommended dose for at least 8 weeks without clinical efficacy, who can stop this treatment according to the investigator's opinion.
Exclusion Criteria:
- Patients not able to read or write
- Patients having participated in a study testing disease modifying therapy for AD, or in another study with administration of investigational drug or device within the previous 3 months prior to selection visit
- Depressive symptoms that, in investigator's judgment, are clearly due to a medical condition other than AD, or are a direct result of non-mood related dementia symptoms
- History of epilepsy or solitary seizure
- Medical history of Major Depressive Disorder more than 3 years before onset of the disease, treated with antidepressive drugs or electroconvulsive therapy
- Severe or unstable disease of any type that could interfere with safety and efficacy assessments
- Alcohol abuse or drug abuse or addiction, as judged by the clinician (excluding nicotine)
- Clinically relevant lactose intolerance
- Antidepressant treatment not stopped for at least 3 weeks before inclusion
- Significant worsening of depressive symptoms or high suicidal risk according to investigator's judgment
- For optional extension phase: medically instable Chronic Obstructive Pulmonary Disease and asthma, known hypersensitivity to donepezil hydrochloride or piperidine derivatives

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02626572

Responsible Party: | Institut de Recherches Internationales Servier |
ClinicalTrials.gov Identifier: | NCT02626572 |
Other Study ID Numbers: |
CL2-47445-011 2014-001519-38 ( EudraCT Number ) |
First Posted: | December 10, 2015 Key Record Dates |
Last Update Posted: | August 15, 2018 |
Last Verified: | August 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Researchers can ask for a study protocol, patient-level and/or study-level clinical trial data including clinical study reports (CSRs). They can ask all interventional clinical studies:
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Supporting Materials: |
Study Protocol Statistical Analysis Plan (SAP) Informed Consent Form (ICF) Clinical Study Report (CSR) |
Time Frame: | After Marketing Authorisation in EEA or US if the study is used for the approval. |
Access Criteria: | Researchers should register on Servier Data Portal and fill in the research proposal form. This form in four parts should be fully documented. The Research Proposal Form will not be reviewed until all mandatory fields are completed. |
URL: | http://clinicaltrials.servier.com |
Alzheimer Disease Depression Dementia Brain Diseases Central Nervous System Diseases Nervous System Diseases |
Tauopathies Neurodegenerative Diseases Neurocognitive Disorders Mental Disorders Behavioral Symptoms |