| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
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| E.1.1.1 | Medical condition in easily understood language  | 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Nervous System Diseases [C10] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 17.0 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10001896 | 
 
| E.1.2 | Term  | Alzheimer's disease | 
 
| E.1.2 | System Organ Class  | 100000004852 | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To establish efficacy of Lu AE58054 as adjunctive therapy to donepezil for symptomatic treatment of patients with mild-moderate Alzheimer’s disease | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
| To investigate the effect of Lu AE58054 as adjunctive therapy to donepezil on neuropsychiatric symptoms in patients with mild-moderate Alzheimer’s disease | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
• The patient has a knowledgeable and reliable caregiver.
 • The patient is an outpatient.
 • The patient has probable AD.
 • The patient has mild to moderate AD.
 • Stable treatment with donepezil.
 • The patient is a man or woman aged at least 50 years
 • The patient, if a woman, must have had her last natural menstruation ≥24 months prior to baseline, OR be surgically sterile.
 • The patient, if a man, agrees to protocol-defined use of effective
 contraception if his female partner is of childbearing potential, OR must have been surgically sterilised prior to the screening visit. | 
 
 
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| E.4 | Principal exclusion criteria | 
• The patient has evidence of any clinically significant neurodegenerative disease, or other serious neurological disorders other than AD.
 • The patient has a Diagnostic and Statistical Manual of Mental Disorders, 4th edition, Text Revision (DSM-IV-TR) Axis I disorder other than AD.
 • The patient has evidence of clinically significant disease.
 • The patient's donepezil therapy is likely to be interrupted or discontinued during the study.
 • The patient is currently receiving memantine or has taken memantine within 2 months prior to screening. | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Change in cognition: Change in Alzheimer's Disease Assessment Scale-cognitive subscale (ADAS-cog) total score. | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
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| E.5.2 | Secondary end point(s) | 
• Change in global impression: Alzheimer's Disease Cooperative Study - Clinical Global Impression of Change (ADCS-CGIC) score
 • Change in functioning: Change in Alzheimer's Disease Cooperative Study - Activities of Daily Living Inventory (ADCS-ADL23) total score
 • Change in behavioural disturbance: Change in Neuropsychiatric Inventory (NPI) total score
 • Change in individual behavioural disturbance items: Change in single NPI item scores
 • Change in anxiety: Change in NPI Anxiety item score based on a pre-specified NPI Anxiety score at Baseline
 • Clinical response: Based on pre-specified ADAS-cog, ADCS-ADL23, and ADCS-CGIC changes
 • Clinical worsening: Based on pre-specified ADAS-cog, ADCS-ADL23, and ADCS-CGIC changes
 • Change in cognitive aspects of mental function: Change in Mini Mental State Examination (MMSE)
 • Change in health-related quality of life: Change in EuroQol 5-dimensional (EQ-5D) utility score
 • Change in health-related quality of life: Change in EQ-5D Visual Analogue Scale (EQ-5D VAS) | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  Yes  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  Yes  | 
| E.6.7 | Pharmacodynamic |  Yes  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  Yes  | 
| E.6.10 | Pharmacogenetic |  Yes  | 
| E.6.11 | Pharmacogenomic |  Yes  | 
| E.6.12 | Pharmacoeconomic |  Yes  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  Yes  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 3 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 4 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 59 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Argentina | 
 
| Belgium | 
 
| Bulgaria | 
 
| Canada | 
 
| Chile | 
 
| Czech Republic | 
 
| Denmark | 
 
| France | 
 
| Germany | 
 
| Italy | 
 
| Poland | 
 
| Romania | 
 
| South Africa | 
 
| Spain | 
 
| Ukraine | 
 
| United States | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  Yes  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months | 0 | 
| E.8.9.1 | In the Member State concerned days | 6 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial months | 0 | 
| E.8.9.2 | In all countries concerned by the trial days | 6 |