Safety and Efficacy Study of ALZT-OP1 in Subjects With Evidence of Early Alzheimer's Disease



Status:Recruiting
Conditions:Alzheimer Disease
Therapuetic Areas:Neurology
Healthy:No
Age Range:55 - 79
Updated:12/7/2018
Start Date:September 2015
End Date:November 2019
Contact:David A. Brazier, BS
Email:david.brazier@aztherapies.com
Phone:617-318-3428

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A Phase III Safety and Efficacy Study of ALZT-OP1 in Subjects With Evidence of Early Alzheimer's Disease

This is a global Phase III, randomized, double-blinded, placebo-controlled study for subjects
with evidence of early AD. The protocol is designed to determine whether ALZT-OP1 combination
treatment (ALZT-OP1a + ALZT-OP1b) will slow down, arrests, or reverse cognitive and
functional decline, in subjects with evidence of early stage Alzheimer's disease (AD).

This Phase III study is designed as a randomized, double-blinded, placebo-controlled study
for subjects with evidence of early AD. The study will evaluate safety and tolerability,
efficacy as measured by CDR-SB, and will determine if the combination therapy ALZT-OP1 will
slow down, arrests, or reverse cognitive and functional decline in an early stage AD
population.

Subjects will be randomly assigned to one of four treatment arms: Group I will consist of
ALZT-OP1a (cromolyn) for inhalation, plus an oral placebo tablet; OR the Group II arm, which
will consist of ALZT-OP1 combination therapy ALZT-OP1a (cromolyn) for inhalation, plus
ALZT-OP1b (ibuprofen) tablet for oral administration; OR to the Group III arm, which will
consist of inhaled placebo, plus ALZT-OP1b (ibuprofen) tablet for oral administration; OR to
the Group IV placebo arm, which will consist of inhaled placebo plus an oral placebo tablet.

A minimum of 400 evaluable subjects will be randomized to receive one of four possible
treatment assignments containing various combinations of active study drug or placebo.

To account for subject dropouts (estimated rate of 30%), it is anticipated that up to 600 (or
150 subjects per treatment arm) may be recruited and randomized, to achieve a minimum of 100
evaluable subjects per treatment arm.

Inclusion Criteria:

- 55-79 years old;

- ≥ 8 years of education;

- Study partner is available who has frequent contact with the participant (e.g. an
average of 10 hours per week or more), and can accompany the participant to all clinic
visits for the duration of the protocol;

- Evidence of early AD, as defined by all of the following:

1. Memory complaint by subject or study partner that is verified by a study partner;

2. Objective memory impairment for age, documented by scoring below the education
adjusted cutoff of the Logical Memory II subscale (Delayed Paragraph Recall) from
the Wechsler Memory Scale Third Edition (the maximum score is 25):

- ≤ 8 for 16 or more years of education, or

- ≤ 4 for 8-15 years of education;

- Essentially preserved general cognitive function;

- Largely intact functional activities;

- Not demented;

- Cerebrospinal fluid (CSF) biomarker results consistent with early AD, including CSF
Aβ-42 levels ≥ 180 pg/mL and ≤ 690 pg/mL;

- Clinical Dementia Rating (Global) = 0.5; Memory Box score must be at least 0.5;

- Must be fluent in the language of the cognitive testing material being administered;

- Stability of permitted medications for 4 weeks prior to study start; subjects
receiving acetylcholinesterase inhibitors and/or memantine should be on stable dose of
those medications for at least 12 weeks prior to study start with every effort to
maintain stable dose for the duration of the study;

- Visual and auditory acuity adequate for neuropsychological testing;

- Good general health with no diseases expected to interfere with the study;

- Must provide written informed consent for APOe4 genotype testing;

- Must provide written informed consent for CSF sampling.

Exclusion Criteria:

- Any significant neurological disease other than suspected incipient AD, such as
Parkinson's disease, multi-infarct dementia, Huntington's disease, normal pressure
hydrocephalus, brain tumor, progressive supranuclear palsy, seizure disorder, subdural
hematoma, multiple sclerosis, or history of significant head trauma followed by
persistent neurologic defaults or known structural brain abnormalities;

- Major depressive episode, as described in the Diagnostic and Statistical Manual of
Mental Disorders (DSM-IV) within the past 6 months, which could lead to difficulty
complying with the protocol;

- History of schizophrenia or bipolar disorder (DSM-IV criteria);

- History of alcohol or substance abuse or dependence within the past 3 years (DSM-IV
criteria);

- Currently taking medications that could lead to difficulty complying with the
protocol; subjects must be on a stable dose of current medications for 4 weeks prior
to study entry, with the exception of acetylcholinesterase inhibitors and/or
memantine, which must be on a stable dose for at least 12 weeks prior to study entry;

- Investigational agents are prohibited one month prior to entry and for the duration of
the trial;

- Currently taking medications known to be CYP2C9 inducers (i.e. carbamazepine and
rifampicin);

- Currently taking cromolyn, or have taken cromolyn, within the past 12 months;

- Chronic daily use of high-dose NSAID for osteoarthritis, rheumatoid arthritis, or
other chronic inflammatory diseases ("chronic" defined as 3200 mg/day for >2 weeks);

- Chronic daily use of aspirin exceeding standard of care guidelines for low dose
aspirin therapy for prevention of stroke and/or other recommended uses;

- Allergy to cromolyn (also known as Intal®, Nasalcrom®, Opticrom®, Gastrocrom®, etc.);

- Allergies to ibuprofen (Advil®, Motrin®, Nuprin®, etc.) or aspirin;

- Clinically significant respiratory disorders with impaired respiratory effort or
difficulty taking inhaled drugs;

- Uncontrolled chronic asthma;

- Abnormal pulmonary function test, defined for this protocol as: FEV1/FVC < predicted
value for subject AND FEV1 < 70% of predicted value, indicating moderate or severe
respiratory obstruction;

- Taking inhaled protein products on a chronic basis;

- Any significant systemic illness or unstable medical condition which could lead to
difficulty complying with the protocol;

- Pregnancy or lactation for female subjects of child-bearing potential (i.e., < two
years post-menopausal or not surgically sterile);

- For sexually active male subjects, unwillingness or incapability of using appropriate
contraception methods;

- Severe renal or hepatic impairment.
We found this trial at
67
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3924 9th Avenue West
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Albuquerque, New Mexico 87109
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Apopka, Florida 32703
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489 State St
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Bellevue, Nebraska
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Charlotte, North Carolina 28211
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Columbus, Georgia 31909
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281 W. Lane Ave
Columbus, Ohio 43210
(614) 292-6446
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Darlinghurst, New South Wales 2010
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Denver, Colorado 80218
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Eatontown, New Jersey 07724
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491 U.S. 1
Freeport, Maine 04032
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Gilbert, Arizona 85296
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11 Murray Street
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Green Acres, Florida 33467
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Laguna Hills, California 92653
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Lawrenceville, New Jersey 08648
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Long Beach, California 90807
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Mansfield, Texas 76063
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Memphis, Tennessee 38119
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New York, New York 10128
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140 Old Orangeburg Road
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1020 Walnut St
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