Safety and Efficacy Study Evaluating TRx0237 in Subjects With Mild Alzheimer's Disease

Completed · Phase 3 · Has a placebo group

Conditions studied: Alzheimer's Disease

In brief

The purpose of this study is to determine the safety and efficacy of TRx0237 in the treatment of subjects with mild Alzheimer's Disease.

Key facts

Study ID

NCT01689233

Run by

TauRx Therapeutics Ltd

People needed

800

Starts

2012-10-01

Expected to finish

2016-05-01

Last updated by the study team

2018-03-14

Who can join

Age: any, up to 89. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnosis of all cause dementia and probable Alzheimer's disease
• Clinical Dementia Rating (CDR) total score of 0.5 or 1 (mild) and MMSE score of 20-26 (inclusive)
• Age <90 years
• Modified Hachinski ischemic score of ≤4
• Females, if of child-bearing potential, must practice true abstinence or be competent to use adequate contraception and agree to maintain this throughout the study
• Subject, and/or, in the case of reduced decision-making capacity, legally acceptable representative(s) consistent with national law is/are able to read, understand, and provide written informed consent
• Has one (or more) identified adult caregiver who is willing to provide written informed consent for his/her own participation; is able to read, understand, and speak the designated language at the study site; either lives with the subject or sees the subject for ≥2 hours/day ≥3 days/week; agrees to accompany the subject to each study visit; and is able to verify daily compliance with study drug
• If currently taking an acetylcholinesterase inhibitor and/or memantine at the time of Screening, the subject must have been taking such medication(s) for ≥3 months. The dosage regimen must have remained stable for ≥6 weeks and it must be planned to remain stable throughout participation in the study.
• Able to comply with the study procedures

You may not qualify if…

• Significant central nervous system (CNS) disorder other than Alzheimer's disease
• Significant focal or vascular intracranial pathology seen on brain MRI scan
• Clinical evidence or history of stroke, transient ischemic attack, significant head injury or other unexplained or recurrent loss of consciousness ≥15 minutes
• Epilepsy
• Major depressive disorder, schizophrenia, or other psychotic disorders, bipolar disorder, substance (including alcohol) related disorders
• Metal implants in the head (except dental), pacemaker, cochlear implants, or any other non-removable items that are contraindications to MRI
• Resides in hospital or moderate to high dependency continuous care facility
• History of swallowing difficulties
• Pregnant or breastfeeding
• Glucose-6-phosphate dehydrogenase deficiency
• History of significant hematological abnormality or current acute or chronic clinically significant abnormality
• Abnormal serum chemistry laboratory value at Screening deemed to be clinically relevant by the investigator
• Clinically significant cardiovascular disease or abnormal assessments
• Preexisting or current signs or symptoms of respiratory failure
• Concurrent acute or chronic clinically significant immunologic, hepatic, or endocrine disease (not adequately treated) and/or other unstable or major disease other than Alzheimer's disease
• Diagnosis of cancer within the past 2 years prior to Baseline (other than basal cell or squamous cell skin cancer or Stage 1 prostate cancer) unless treatment has resulted in complete freedom from disease for at least 2 years
• Prior intolerance or hypersensitivity to methylthioninium-containing drug, similar organic dyes, or any of the excipients
• Treatment currently or within 3 months before Baseline with any of the following medications (unless otherwise noted):
• Tacrine
• Clozapine, olanzapine (and there is no intent to initiate therapy during the course of the study)
• Carbamazepine, primidone
• Drugs with a warning or precaution in the labeling of methemoglobinemia at approved doses
• Current or prior participation in a clinical trial as follows:
• Clinical trial of a product for cognition in which the last dose was received within 90 days prior to Screening (unless confirmed to have been randomized to placebo)
• A clinical trial of a drug, biologic, device, or medical food in which the last dose/administration was received within 28 days prior to Baseline

Where it is running

• NoesisPharma Clinical Trials — Phoenix, Arizona, United States
• CITrials — Bellflower, California, United States
• ATP Clinical Research, Inc. — Costa Mesa, California, United States
• Southern California Research, LLC — Fountain Valley, California, United States
• Feldman, Robert MD — Laguna Hills, California, United States
• Synergy East — Lemon Grove, California, United States
• Collaborative Neuroscience Network — Long Beach, California, United States
• Neuro-Therapeutics, Inc. — Pasadena, California, United States
• Anderson Clinical Research — Redlands, California, United States
• Pacific Research Network — San Diego, California, United States
• San Francisco Clinical Research Center — San Francisco, California, United States
• Neurological Research Institute — Santa Monica, California, United States
• Schuster Medical Research Institute — Sherman Oaks, California, United States
• Mile High Research Center — Denver, Colorado, United States
• Institute for Neurodegenerative Disorders — New Haven, Connecticut, United States
• Coastal Connecticut Research, LLC — New London, Connecticut, United States
• Research Center for Clinical Studies, Inc — Norwalk, Connecticut, United States
• JEM Research — Atlantis, Florida, United States
• Bradenton Research Center — Bradenton, Florida, United States
• Meridien Research — Brooksville, Florida, United States
• Brain Matters Research — Delray Beach, Florida, United States
• MD Clinical — Hallandale, Florida, United States
• Alzheimer's Research and Treatment Center — Lake Worth, Florida, United States
• Compass Research, LLC — Orlando, Florida, United States
• Xenoscience, Inc / 21st Century Neurology — Phoenix, Arizona, United States

Full record on ClinicalTrials.gov

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