Alzheimer Disease, Healthy Volunteers
Conditions
Brief summary
This is a randomized, open-label, cross-over, pharmacokinetic and pharmacodynamic PK/PD study. (Part A)The PK portion of the study is designed to evaluate the pharmacokinetics of ALZT-OP1 (a combination drug therapy) designated as ALZT-OP1a and ALZT-OP1b, in both plasma and CSF, following co-administration of the two active investigational products, in healthy volunteers and Alzheimer subjects aged 55-79 and in good health. (Part B) The PD portion of the study will evaluate the pharmacodynamics of ALZT- OP1, using both plasma and CSF biomarkers, following 60 days of consecutive daily treatment, in AD subjects only.
Detailed description
This is a phase I/II randomized, open-label, cross-over, PK/PD study. The PK (Part A) portion of the study is designed to evaluate both single and double doses of ALZT-OP-1a (17.1mg or 34.2 mg) and ALZT-OP1b (10 mg or 20 mg) in both Alzheimer's subjects and healthy volunteers. The PD (Part B) portion of the study is designed to evaluate single doses of ALZT-OP-1a (17.1mg) and ALZT-OP1b (10 mg) in AD subjects treated for 60 days. An Alzheimer's control group will be utilized for comparison to active treatment groups but will not be administered study treatment; however, they will have biomarkers collected. PK (Part A) n=24, both healthy volunteers and AD subjects Part A is an open-label study, cross-over, PK study where 24 subjects will be randomly assigned to receive treatment regimen A-B or B-A for two consecutive day of dosing. Subjects will be admitted to the Phase 1 unit the morning before dosing and will initiate dosing the following morning for 2 consecutive days of dosing (A-B, or B-A). Day 1 (A-B) will consist of a single inhaled oral dose of ALZT-OP1a via dry powder inhaler + a single oral tablet dose of ALZT-OP1b. Day 2 (B-A) will consist of two oral inhaled doses of ALZT-OP1a, not more than 2 mins apart, via dry powder inhaler + two oral tablets doses of ALZT-OP1b. Day 1 (B-A) will consist of two oral inhaled doses of ALZT-OP1a, not more than 2 mins apart, via dry powder inhaler + two oral tablets doses of ALZT-OP1b. Day 2 (A-B) regimen consists of a single inhaled oral dose of ALZT-OP1a via dry powder inhaler + a single oral tablet dose of ALZT-OP1b. AD subjects will be given the option to roll over into the PD portion of the study. PD (Part B) n=32, AD subjects only Part B is an open-label, PD study where 32 AD subjects will be randomly assigned to receive either active treatment or be assigned to a non-treatment control arm. Twenty-four (24) subjects will be randomly assigned to Treatment Group 1 to receive a single (17.1 mg) inhaled dose of ALZT-OP1a plus a single (10 mg) oral dose of ALZT-OP1b daily for 60 days. Eight (8) subjects will be randomly assigned to Treatment Group 2 (Control Group) and will not be administered study drug. All subjects will have plasma collected on Day 1, Day 30, and Day 60 and CSF collected on Day 1 and Day 60.
Interventions
DRUGALZT-OP1 (cromolyn and ibuprofen) ALZT-OP1a (cromolyn) and ALZT-OP1b (ibuprofen)
Drug : ALZT-OP1a 1. Mast cell stabilizer 2. Neuroinflammatory microglial modulator ALZT-OP1b anti-inflammatory Device: Dry Powder Inhaler The inhaler will be used to deliver ALZT-OP1a via oral inhalation for dosing on study.
Sponsors
AZTherapies, Inc.
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE
Masking description
A Phase I/ II Randomized, Open-Label Study to Evaluate Pharmacokinetic and Pharmacodynamic Effects and Safety of ALZT-OP1 (co-administration of ALZT-OP1a and ALZT-OP1b) in Subjects with Alzheimer's Disease and Normal Healthy Volunteers
Intervention model description
ALZT-OP1a (cromolyn) and ALZT-OP1b (Ibuprofen) are being evaluated in this study.
Eligibility
Sex/Gender
ALL
Age
55 Years to 79 Years
Healthy volunteers
Yes
Inclusion criteria
* For All Subjects 1. Provide a signed written informed consent; 2. Age 55-79 old (inclusive); 3. ECG without abnormal, clinically significant findings; 4. Body mass index (BMI) ≥ 18 kg/m2 and ≤ 30 kg/m2 5. Negative urine drug screen for selected drugs of abuse at screening; 6. Negative for hepatitis and HIV at screening; 7. Negative for COVID-19 at screening; 8. Good general health, as determined by medical history, physical examination, and clinical laboratory testing; 9. Must provide written informed consent for CSF sampling. For AD Subjects Only In addition to satisfying all of the above inclusion criteria, AD subjects must also meet the following criteria: 10. Diagnosed with mild to moderate Alzheimer's disease; 11. Clinical Dementia Rating (Global) 0.5 12. Mini-mental state examination (MMSE) ≤ 22; 13. Must be fluent in the language of the cognitive testing material being administered; 14. Stability of permitted medications for 4 weeks prior to study start; 15. Visual and auditory acuity adequate for neuropsychological testing. 16. Must provide written informed consent for APOe4 genotype testing; For All Subjects in Part A (PK) 17. Willingness to stay in the unit overnight for the duration of the PK portion of the study.
Exclusion criteria
* For All Subjects 1. Current smokers, or ex-smokers with a remote history (\> 100 pack/year); 2. Clinically significant medical conditions; 3. History of abnormal clinically significant ECG abnormalities; 4. Symptomatic viral infection, or suspicion thereof (including rhinitis) in the last 14 days prior to dosing; 5. Signs of active pulmonary infection or other pulmonary inflammatory conditions, even in absence of febrile episodes, in the last 14 days; 6. History or presence of disease in the kidneys and/or heart, lungs, liver, gastrointestinal tract, endocrine organs or other conditions such as metabolic disease known to interfere with the absorption, distribution, metabolism, and excretion of drugs; 7. Malignancy, regardless of location; 8. Autoimmune disorders such as (but not limited to) lupus erythematosus, multiple sclerosis, rheumatoid arthritis, or sarcoidosis; 9. Investigational agents are prohibited one month prior to entry and for the duration of the trial; 10. Currently taking medications known to be CYP2C9 inducers (e.g., carbamazepine and rifampicin; 11. Currently taking cromolyn, or have taken cromolyn products, within the past 30 days; 12. Non-steroidal anti-inflammatory drug (NSAID) use (products containing ibuprofen while on study); 13. Allergy or hypersensitivity to cromolyn (also known as Intal®, Nasalcrom®, Opticrom®, Gastrocrom®, etc.); 14. Allergy or hypersensitivity to ibuprofen (Advil®, Motrin®, Nuprin®, etc.) or aspirin, including Stevens-Johnson syndrome; 15. History of hypersensitivity or allergies to any of the drug compound under investigation (cromolyn sodium, ibuprofen, lactose, or magnesium stearate); 16. Current respiratory disorders and chronic respiratory disease with impaired respiratory effort or difficulty taking inhaled drugs (examples: COPD, emphysema); 17. Abnormal pulmonary function test, defined for this protocol as: FEV1 \< 70% of predicted value, indicating moderate or severe respiratory impairment; 18. Any other disease or condition, which, in the opinion of the investigator, would make the subject unsuitable for this study; 19. Female subjects of reproductive potential with a positive pregnancy test (urine or serum) or who are pregnant or lactating. For AD Subjects Only In addition to not meeting any of the above
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF Vd/F | 2 Days | Evaluation Vd/F (apparent volume of distribution) |
| Part A Non-compartmental PK parameters will be calculated and reported for ALZT-OP1a and ALZT-OP1b | • 2 Days | • PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF AUC 0-∞ | 2 Days | Evaluation AUC 0-∞ (area under the curve from 0 to infinity) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF AUC 0-t | 2 Days | Evaluation AUC 0-t (area under the curve from 0 to t hours where t is the last measured concentration) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF AUCPLASMA/AUCCSF | 2 Days | Evaluation AUCPLASMA/AUCCSF (ratio at 60 min, 120 min, 240 min, 360 min and 480 min) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF CL/F | 2 Days | Evaluation CL/F (apparent total body clearance) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF Cmax | 2 Days | Evaluation Cmax (maximum plasma and CSF concentration observed) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF t½ (half-life) | 2 Days | Evaluation t½ (half-life) |
| PK profile for ALZT-OP1a and ALZT-OP1b in plasma and CSF tmax | 2 Days | Evaluation tmax (sampling time at which Cmax occurred) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Biomarker Tumor Necrosis Factor-α (TNF-α) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Tumor Necrosis Factor-α (TNF-α) |
| Biomarker Transforming Growth Factor-β1 (TGF-β1) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Transforming Growth Factor-β1 (TGF-β1) |
| Biomarker Triggering Receptor Expressed on Myeloid Cells-2 (TREM2) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Triggering Receptor Expressed on Myeloid Cells-2 (TREM2) |
| Biomarker Neurogranin Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Neurogranin |
| Biomarker CD33 Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation CD33 |
| Biomarker Neurofilament light (Nf-L) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Neurofilament light (Nf-L) |
| Biomarker Beta Amyloid (Αβ-42) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Beta Amyloid (Αβ-42) |
| Biomarker Beta Amyloid (Αβ-40) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Beta Amyloid (Αβ-40) |
| Biomarker Beta Amyloid (Αβ-38) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Beta Amyloid (Αβ-38) |
| Biomarker Total Tau Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Total Tau |
| Biomarker Glial Fibrillary Acidic Protein (GFAP) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Glial Fibrillary Acidic Protein (GFAP) |
| Biomarker P-Tau (Thr 231) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation P-Tau (Thr 231) |
| Biomarker Interferon-γ (IFN-γ) Sample Analysis plasma and CSF Day 1 to 60 Days | Day 1 to Day 60 | Evaluation Interferon-γ (IFN-γ) |
Other
| Measure | Time frame | Description |
|---|---|---|
| Number of Treatment Emergent Adverse Events (TEAE) | 2 Days Part A and 60Days Part B | Safety will be evaluated based on the number, type, and frequency of treatment emergent adverse events. They will be individually presented for all subjects in data listings, and summarized in tables by treatment group and by treatment assignment. The AEs will be summarized and reported collectively based on information obtained through physical examination, ECG, and laboratory findings captured after dosing was initiated. |
Countries
United States
Outcome results
None listed