- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04396873
PET Imaging of Cyclooxygenases in Neurodegenerative Brain Disease
Phase 1 Study: PET Imaging of Cyclooxygenases in Neurodegenerative Brain Disease
Background:
About 5 million adults in the U.S. have Alzheimer s disease or another adult-onset neurodegenerative disorder. Many studies have found that inflammation in the brain contributes to these diseases. Researchers want to find a better way to measure this inflammation.
Objective:
To learn whether COX-1 and/or COX-2 is elevated in the brains of individuals with neurodegenerative brain disease compared to healthy volunteers.
Eligibility:
Adults age 18 years and older in good general health who have an adult-onset neurodegenerative dementia, such as AD, FTD, corticobasal syndrome, or Huntington s disease and healthy adult volunteers enrolled in protocols 01-M-0254 or 17-M-0181.
Design:
Participants will be screened with medical history, physical exam with vital signs, and lab tests. They will have a neuropsychological testing. Their heart function will be measured.
Participants will have a magnetic resonance imaging (MRI) scan. The MRI scanner is a metal tube surrounded by a strong magnetic field. Participants will lie on a table that slides in and out of the tube. The machine makes noise. Participants will get earplugs.
Participants will have 2 PET scans. They will be injected with the study drugs through an intravenous catheter placed in an arm vein. The PET scanner is shaped like a doughnut. Participants will lie on a bed that slides in and out of the scanner. A plastic mask will be molded to their head to keep them from moving. A thin plastic tube will be put into an artery at the wrist or elbow crease area. This will be used to draw blood during the scan.
Participants will have 2-3 study visits. Participation lasts 1 week to 4 months, depending on scheduling.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Description:
This pilot/exploratory study will examine whether cyclooxygenase 1 (COX-1) and COX-2 are elevated in the brain of individuals with neurodegenerative brain disease compared to healthy volunteers.
Objectives:
Primary Objective: To determine whether COX-1 and/or COX-2 is elevated in the brains of individuals with neurodegenerative brain disease compared to healthy volunteers.
Secondary Objective:
1) To determine retest variability and reliability for each radioligand. 2) To evaluate the specific binding of [11C]PS13 to COX-1 in healthy subjects through blocking study using Ketoprofen, a COX-1 inhibitor
Endpoints:
Primary Endpoint: Measurement of COX-1 and COX-2 density in brain after PET scans with [11C]PS13 and [11C]MC1, respectively.
Secondary endpoint: 1) To measure whole-brain distribution volume (VT) of COX-1 and COX-2 in a retest setting; 2) To correlate VT with the presence of amyloid in Alzheimer s disease (AD) patients 3) To calculate the specific binding of [11C]PS13 with a Lassen plot
Study Type
Enrollment (Estimated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Robert B Innis, M.D.
- Phone Number: (301) 594-1368
- Email: robert.innis@nih.gov
Study Contact Backup
- Name: Tara N Turon, C.R.N.P.
- Phone Number: (301) 827-6599
- Email: tara.turon@nih.gov
Study Locations
-
-
Maryland
-
Bethesda, Maryland, United States, 20892
- Recruiting
- National Institutes of Health Clinical Center
-
Contact:
- For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)
- Phone Number: TTY8664111010 800-411-1222
- Email: prpl@cc.nih.gov
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
- INCLUSION CRITERIA:
Patients: In order to be eligible to participate in this study, patients must meet all of the following criteria:
- Aged 18 or older.
- Be able (or have their Legally Authorized Representative (LAR) be able) to understand the study and be willing to sign a written informed consent document.
- Have been diagnosed by a neurologist or psychiatrist with MCI, ALS, PD, or an adult onset neurodegenerative dementia, such as AD (including amyloid negative subjects), FTD, corticobasal syndrome, or Huntington s disease.
- Be in good general health as evidenced by medical history and physical examination.
- Have their radial artery pulse checked for the presence of adequate ulnar collateral flow and the absence of any metal or foreign objects in both wrists.
- Agree to adhere to the lifestyle considerations.
Healthy volunteers: In order to be eligible to participate in this study, healthy volunteer subjects must meet all of the following criteria:
- Aged 18 or older.
- Female participants of childbearing potential must be using a medically acceptable means of contraception
- Able provide informed consent.
- Be in good general health, as evidenced by medical history and physical examination, and have no cognitive impairment.
- Be enrolled in 01-M-0254, The Evaluation of Participants with Mood and Anxiety Disorders and Healthy Volunteers or 17-M-0181, Recruitment and Characterization of Healthy Research Volunteers for NIMH Intramural Studies
- Have their radial artery pulse checked for the presence of adequate ulnar collateral flow and the absence of any metal or foreign objects in both wrists.
- Agree to adhere to the lifestyle considerations.
EXCLUSION CRITERIA:
Both patients and healthy volunteers who meet any of the following criteria will be excluded from participation in this study:
- Clinically significant abnormalities on EKG or laboratory testing. This includes CBC and acute care panel (Na, K, Cl, CO2, creatinine, glucose, urea nitrogen). Any lab value that is two-times the upper limit or even lower values in the investigator s judgment. Creatinine level >1.3 mg/dL
- Subjects should not have taken Non-Steroidal Anti-Inflammatory Drug NSAIDs for two weeks prior to the PET scan. Aspirin, corticosteroids (with the exception of skin products), or immunosuppressants (e.g., methotrexate) must not have been taken in the prior month.
- Contraindications to ketoprofen, such as hypersensitivity to ketoprofen or history of upper or lower gastrointestinal bleeding.
- Have other major neurological or medical diseases that may cause cognitive dysfunction, such as structural brain diseases, metabolic diseases, paraneoplastic syndromes, infectious diseases, or other significant neurological abnormalities.
- Have an unstable medical condition that, in the opinion of the investigators, makes participation unsafe (e.g., an active infection or untreated malignancy).
- Are unable to travel to the NIH.
- Have recent exposure to radiation related to research (e.g., PET from other research) that, when combined with this study, would be above the allowable limits.
- Have an inability to lie flat and/or lie still on the camera bed for at least two hours, including claustrophobia, overweight greater than the maximum for the scanner, and uncontrollable behavioral symptoms, which will be screened by an interview with the patient and/or caregiver during the screening visit.
- Participants must not have substance use disorder or alcohol use disorder. However, alcohol or cannabis use by themselves are not exclusion criteria, unless that use impairs function of daily life.
- Participants should not be under treatment with Aduhelm, nor should they have been treated in the past.
- Are unable to have an MRI scan (e.g., because of pacemakers or other implanted electrical devices, brain stimulators, dental implants, aneurysm clips (metal clips on the wall of a large artery), metallic prostheses (including metal pins and rods, heart valves, and cochlear implants), permanent eyeliner, implanted delivery pumps, shrapnel fragments, or metal fragments in the eye).
- Pregnancy
- HIV infection
- Be NIMH staff or an NIH employee who is a subordinate/relative/co-worker of the investigators.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Only one arm
All subjects receive the same tests
|
Injected IV followed by PET scanning
Injected IV followed by PET scanning
Injected IV followed by PET scanning
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measure the concentration of radioligands
Time Frame: 1-2 days
|
Density of COX-1 and COX-2 in brain
|
1-2 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measure the retest variability and reliability of the radioligans
Time Frame: 1-2 days
|
Density of COX-1 and COX-2 in brain
|
1-2 days
|
Collaborators and Investigators
Investigators
- Principal Investigator: Robert B Innis, M.D., National Institute of Mental Health (NIMH)
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Central Nervous System Diseases
- Nervous System Diseases
- Neurocognitive Disorders
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Tauopathies
- Parkinson Disease
- Dementia
- Alzheimer Disease
- Brain Diseases
- Molecular Mechanisms of Pharmacological Action
- Radiopharmaceuticals
- 11C-PS13
Other Study ID Numbers
- 200082
- 20-M-0082
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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