Safety and Efficacy of Piromelatine in Mild Alzheimer's Disease Patients (ReCOGNITION)
Purpose
This study is a Phase 2, randomized, placebo controlled, dose ranging study of piromelatine (5, 20, and 50 mg daily for 6 months) versus placebo to determine an effective dose based on efficacy (cognitive performance), safety and tolerability in patients with mild dementia due to AD.
Condition
- Alzheimer's Disease
Eligibility
- Eligible Ages
- Between 60 Years and 85 Years
- Eligible Genders
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- Patient and caregiver are willing to take part in the entire study - Signed informed consent from the patient and the caregiver - Patient has a clearly documented history either in medical records or from an informant of cognitive decline over at least 6 months - Patient has mild probable AD as consistent with criteria established by the NIA-AA - CT/MRI scan with finding consisted with probable AD obtained during the last 12 months before Screening - Patient has an MMSE score of 21-26 (inclusive) at Screening - Patient has a Clinical Dementia Rating Global Score (CDR-GS) of 0.5-1 (mild dementia) at Screening - Patients receiving prescribed drugs for treatment of AD including acetyl cholinesterase inhibitors [eg, donepezil, galantamine, rivastigmine] should be on a stable dose for at least 3 months before Screening - Patient has a negative drug screen (benzodiazepines or opiates) at Screening - Female patients must have had last natural menstruation ≥ 24 months before Screening, OR be surgically sterile - Male patients must agree to use of effective contraception if female partner is of childbearing potential, OR be surgically sterile
Exclusion Criteria
- Patient has an alternative cause for dementia other than AD as determined by CT or MRI scan - Patient has evidence of any clinically significant neurodegenerative disease - Patient has been diagnosed with the following Axis I disorders (DSM V criteria) - Patient has a history of uncontrolled or untreated cardiovascular, endocrine, gastrointestinal, respiratory, or rheumatologic disorders within the past 5 years - Patient has severe pain that is likely to interfere with sleep - Continuous use of benzodiazepines or other sedative-hypnotics during the 2 weeks before Screening - Use of any kind of melatonin/melatonin agonist during the 2 weeks before Screening - Patient has known or suspected hypersensitivity to exogenous melatonin or melatonin receptor agonists - Patients with an irregular lifestyle or life pattern (eg, shift workers, patients likely to be jet lagged).
Study Design
- Phase
- Phase 2
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel Assignment
- Primary Purpose
- Treatment
- Masking
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Arm Groups
Arm | Description | Assigned Intervention |
---|---|---|
Experimental piromelatine 5 mg |
5 mg tablets once daily |
|
Experimental piromelatine 20 mg |
20 mg tablets once daily |
|
Experimental piromelatine 50 mg |
50 mg tablets once daily |
|
Placebo Comparator Placebo |
Placebo tablet once daily |
|
More Details
- Status
- Completed
- Sponsor
- Neurim Pharmaceuticals Ltd.