Efficacy and safety of 3 doses of S 47445 versus placebo in patients with Alzheimer's disease at mild to moderate stages with depressive symptoms

Phase 1

Conditions: Mild to moderate Alzheimer's disease in patients with depressive symptoms
MedDRA version: 18.1Level: PTClassification code 10012296Term: Dementia of the Alzheimer's type, with depressed moodSystem Organ Class: 10029205 - Nervous system disorders
Therapeutic area: Diseases [C] - Nervous System Diseases [C10]

Registration Number: EUCTR2014-001519-38-SK

Lead Sponsor: Institut de Recherches Internationales Servier

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: ot Recruiting

Sex: All

Target Recruitment: 500

Inclusion Criteria

- Out-patients
- Age 55-85 years
- 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.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 80
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 420

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 judgement

- For optional extension phase:
° Medically instable Chronic Obstructive Pulmonary Disease and asthma
° known hypersensitivity to donepezil hydrochloride or piperidine derivatives