E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Mild to Moderate Dementia of the Alzheimer’s Type (AD) |
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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 | 14.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10012271 |
E.1.2 | Term | Dementia Alzheimer's type |
E.1.2 | System Organ Class | 10029205 - Nervous system disorders |
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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 assess the efficacy of AZD3480 vs. donepezil as monotherapy in patients with mild to moderate Dementia of the Alzheimer’s Type (AD) |
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E.2.2 | Secondary objectives of the trial |
To assess the safety and tolerability of AZD3480 as monotherapy in patients with mild to moderate AD.
To assess the pharmacokinetics of AZD3480 and to investigate pharmacokinetic/pharmacodynamic (PK/PD) relationships in patients with mild to moderate AD. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. A clinical diagnosis of probable dementia of the Alzheimer’s type (Alzheimer’s disease; AD) per National Institute of Neurological and Communicative Disorders and Stroke and Alzheimer’s Disease and Related Disorders Association (NINCDS-ADRDA) criteria at least 12 months prior to Screening, supported by brain imaging studies within the previous 6 months, and of mild to moderate severity as defined by a Mini-Mental State Examination (MMSE) score of 12 to 22.
2. Age 60-85, males or females.
3. Presence of a caregiver with significant proportion of time in contact with the subject and who will oversee administration of study drug during the trial.
4. Able to complete tests assessments and to understand and sign an informed consent (with help of his/her legally authorized representative if needed). |
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E.4 | Principal exclusion criteria |
1. Vascular dementia, verified per National Institute of Neurological Disorders and Stroke and Association Internationale pour la Rechererchi et l’Enseignement en Neurosciences (NINDS-AIRENS) criteria and as defined by a modified Hachinski ischemia score (HIS) score of > 4 (i.e., vascular dementia is consistent with a modified HIS > 4).
2. Diagnosis or presence of other dementing illnesses.
3. Use of mood stabilizers, antidepressants, anxiolytics, antipsychotics or hypnotics.
4. Treatment within 1 month prior to Screening using cognition-affecting agents (e.g., CNS stimulants).
5. Tobacco user within 4 months prior to Screening.
6. Use of smoking cessation therapy within 4 months prior to Screening.
7. Use of prohibited concomitant medications (see protocol Section 5.3.2. and Appendix 12).
8. History within past 6 months of alcohol abuse or illicit drug abuse.
9. Unable, even with caregiver assistance, to comply with study procedures in opinion of investigator.
10. History of significant other major or unstable neurological, metabolic, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, or urological disorder: or diagnosis of major depressive disorder.
11. Myocardial infarction within 12 months prior to Screening.
12. Uncontrolled hypothyroidism, vitamin B12 or folic acid deficiency.
13. Known systemic infection (HBV, HCV, HIV, TB).
14. Clinically significant finding on baseline physical examination.
15. Clinically significant baseline laboratory or ECG abnormality, including QTcF > 450 msec.
16. The subject is pregnant.
17. Males or WOCBP (FSH >35 IU/L and a LH level >25 IU/L) who are unwilling to comply with contraceptive measures as described in the protocol.
18. Malignancies other than benign skin cancers
19. Participation in another clinical trial in the past 6 months. |
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E.5 End points |
E.5.1 | Primary end point(s) |
-The change in the Alzheimer’s Disease Assessment Scale - Cognitive
Subscale (ADAS-Cog) total score from Baseline to Week 52.
-The change in the Alzheimer’s Disease Cooperative Study – Activities
of Daily Living (ADCS-ADL) total score from Baseline to Week 52. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Primary endpoints (ADAS-Cog and ADCS-ADL) are assessed at Week -3 (Screening), Day 1 (Baseline and Randomization), Week 4, Week 12, Week 24, Week 36, Week 52 or Early Withdrawal (Final Study Period Visit), and Week 54 (Follow-up Visit). |
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E.5.2 | Secondary end point(s) |
Key Secondary Efficacy Endpoints
-The change in the Clinician Interview-Based Impression of Change Plus
Caregiver Input (CIBIC-(+)) from Baseline to Week 52.
-The change in the Neuropsychiatric Inventory (NPI) total score
from Baseline to Week 52.
Other Secondary Efficacy Endpoints
-The change in the Mini-Mental State Examination (MMSE) total
score from Baseline to Week 52.
-The proportion of responders (defined as the proportion of subjects with >/= 1 point improvement from Baseline on ADAS-Cog and no deterioration in CIBIC-(+) or ADCS-ADL at Weeks 24 and 52.
-The change in ADAS-Cog, CIBIC-(+), ADCS-ADL, and MMSE total scores from Baseline to Weeks 4, 12, 24, 36.
-The change in the ADRQL total score from Baseline to Week 24 and 52.
-The change in the NPI total score from Baseline to Weeks 12, 24 and 36.
-The change in the Resource Utilization in Dementia (RUD) from baseline to week 52.
Safety Endpoints
-The frequency of clinically significant changes in physical examination
findings
-The frequency of volunteered non-serious AEs and SAEs
-Changes in vital signs (including orthostatic blood pressure and heart rate)
-Changes in ECG findings.
-Changes in clinical laboratory tests (including hematology, plasma
biochemistry, liver function tests (LFTs), and urinalysis). The proportion of values outside of the Targacept (TRGT) reference ranges will be determined.
-Urinary cotinine values
-Changes in scores on the Columbia Suicide Severity Rating Scale (CSSRS)
-Pharmacokinetic exposure parameters for AZD3480 will be estimated based on pre-dose and post-dose values, as appropriate.
-Pharmacogenetic endpoints: the key efficacy endpoints will be categorized by Apolipoprotein E (ApoE) allele status.
-Pharmacokinetic/Pharmacodynamic analysis will be performed on efficacy endpoints including ADASCog and CIBIC-(+). Other efficacy and safety endpoints may be evaluated, as appropriate. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
-NPI Day (D) 1, Week (W) 12, W24, W36, W52 or Early Withdrawal (EW)
-ADRQL D1, W24, W52 or EW
-RUD D1, W52 or EW
-CIBIC-(+), ADCS-ADL W-3, D1, W4, W12, W24, W36, W52 or EW, W54
-MMSE W-3, D1, W4, W12, W24, W36, W52 or EW
-Physical examination W-3, D1, W4, W12, W24, W52 or EW, W54
-CSSRS and Assessment of AEs W-3, D1, W1, W4, W12, W24, W36, W52 or EW, 54
-Vital signs including orthostatic BP and heart W-3, D1, W1, W4, W12, W24, W36, W52 or EW, W54; and additional orthostatic BP and heart rate pre-dose and post-dose D1, W52 or EW, W54
-ECG W-3, D1, W1, W24, W52 or EW, W54 (as needed)
-Clinical laboratory tests W-3, W4, W12, W24, W52 or EW, W 54 (as needed)
-Urinary cotinine test W-3, W52 or EW
-PK blood samples (sparse) D1, W24, W52
-ApoE allele blood sample W-3
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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 | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
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) | Yes |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 19 |
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 |
Czech Republic |
Romania |
Slovakia |
Ukraine |
United States |
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E.8.7 | Trial has a data monitoring committee | No |
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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The end of treatment period is Week 52, and the end of study participation (i.e., last patient visit) is the Week 54 follow-up visit. |
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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 | 1 |
E.8.9.1 | In the Member State concerned days | 0 |
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 | 1 |
E.8.9.2 | In all countries concerned by the trial days | 0 |