Neuropsychiatric Post-Acute Sequelae of SARS-CoV-2 (PASC) Using TSPO Positron Emission Tomography (PET) and MRI

February 22, 2024 updated by: NYU Langone Health

Assessment of Immunological and Vascular Dysfunction in Neuropsychiatric Post-Acute Sequelae of SARS-CoV-2 (PASC) Using TSPO PET and MRI

The overarching goal of this study is to develop PET/MR techniques for the diagnosis of neuropsychiatric post-acute sequelae (PASC) of SARS-CoV-2. The central hypothesis is that immunological and cerebrovascular dysfunction after acute SARS-CoV-2 infections mediate neuropsychiatric PASC (NP-PASC).

Study Overview

Study Type

Observational

Enrollment (Estimated)

30

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years to 48 years (Adult)

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

The population will include neuropsychiatric PASC patients, as well as patients with a history of SARS-CoV-2 but no NP-PASC. Potential participants may be directly identified, referred through the ongoing PASC projects at NYU Neurology, identified by the NYU Radiology research coordinators, or recruited via ads. Recruitment will strive to match the two groups in age, sex and BMI.

Description

Inclusion Criteria:

  • Neuropsychiatric symptoms are defined as respectively a) objective cognitive dysfunction on bedside cognitive testing (ACE-III (Addenbrooke's Cognitive Examination III) =< 86/100, at least 12th grade educational level), and/or b) anxiety, depression or psychotic illness as indicated by the DSM-5 diagnostic criteria, evaluated with the MINI (Mini International Psychiatric Interview) or SCID-5 (Structured Clinical Interview for DSM-5 Disorders, Research Version). It is expected some patients may fall into both categories (cognitive and psychiatric complications), in which case they will be included in this study.
  • Infection with SARS-CoV-2 (3-12 months before study) will be verified based on positive PCR test results provided by the NYU EMR or subject records. Investigators will further record the clinical history and perform nucleoprotein- and spike-antibody testing. Anecdotal evidence shows that anti-nucleoprotein and anti-spike tests will be positive in individuals who had past SARS-CoV-2 infection, but only anti-spike tests will be positive in individuals who were vaccinated but did not have past infection, unless the infected individual has already lost the antibodies due to natural infection .
  • Able to sign informed consent as evaluated by the UCSD Brief Assessment of Capacity to Consent (UBACC) test.

Subgroup Inclusion Criteria

  • NP-PASC subjects will have new onset a) cognitive and/or b) psychiatric symptoms following SARS-CoV-2 infection.
  • CC will have a history of SARS-CoV-2 infection but will not meet the criteria for any DSM-5 diagnosis and will perform within normal limits on cognitive tests.

Exclusion Criteria:

  • If vaccinated for SARS-CoV-2, at least 3 months past the last vaccine administration.
  • Subjects with suicidal ideation who require inpatient or intensive level of care, as determined by a study clinician (Dr. Frankle or Dr. Iosifescu) based on the answers to the screening interview. These patients will be immediately referred to appropriate clinical treatment.
  • Pregnant women or those who become pregnant as determined by a urine test at the time of the blood test and on the day of the PET/MR scan.
  • Obese individuals (BMI >= 30) and individuals with cardiovascular risk factors (e.g., uncontrolled high blood pressure, hypercholesterolemia, current tobacco smokers or smoking in the last 12 months, diabetes mellitus).
  • Individuals with history of serious or unstable medical illness associated with chronic inflammation other than PASC (e.g., rheumatoid arthritis, SLE, etc).
  • Current traumatic brain injury. Subjects with a history of chronic pre-existing neurological disease (multiple sclerosis, degenerative disease such as ALS, Parkinson disease and any movement disorders, etc), i.e. neurological symptoms should be new onset for inclusion. Patients with substance use disorders, including alcohol, active within the last 12 months.
  • Clinical or laboratory evidence of hypothyroidism. A thyroid stimulating hormone (TSH) test will be drawn in blood, and the patient will be excluded if TSH is abnormal.
  • Patients who have had electroconvulsive therapy (ECT) within the 6 months preceding baseline.
  • Subjects who had recently taken psychotropic medications will be scanned only after a period greater than five half-lives since the last dose of their psychotropic medication. Subjects who choose to start treatment (with psychotropic medication) for their symptoms immediately will thus be excluded.
  • Contraindications to 3T whole body MRI scanners (e.g., pacemaker, cerebral aneurysm clip, cochlear implant, presence of shrapnel in strategic locations, metal in the eye, claustrophobia, or other problems).
  • Contraindications for Gadolinium-based MRI contrast (allergies to contrast agents and kidney health)
  • Recent exposure to radiation (i.e., PET from other research) which when combined with this study would be above the allowable limits of 5 rem per 12 months as confirmed by the Radiation safety questionnaire.
  • If CSF sampling: contraindication for a lumbar puncture (i.e. intracranial mass, bleeding diathesis, spinal developmental anomalies, or local skin infection involving the lower back). Complete blood count and coagulation studies will be drawn, and if abnormal (INR>1.3, platelets less than 100), subjects will be able to complete imaging studies but will not be eligible for the lumbar puncture procedure part of the study.
  • Unable to sign informed consent or to comply with study assessments.
  • Urine will be collected for toxicology screening (amphetamine, barbiturates, benzodiazepines, cocaine, methadone, opiates, phencyclidine/PCP, THC, and tricyclic antidepressants). Subjects in whom THC is found will be scanned only after abstaining for 7 days. A pregnancy test will be performed on all premenopausal women to ensure exclusion criteria are appropriately screened.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Cross-Sectional

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
NP-PASC (neuropsychiatric post-acute sequelae of SARS-CoV-2)
Individuals with new onset a) cognitive and/or b) psychiatric symptoms following SARS-CoV-2 infection. Participants will undergo PET/MR scanning, during which a TSPO PET tracer and a Gadolinium-based MRI tracer will be administered intravenously and blood samples will be collected from an arterial line. In addition, blood samples will be taken at screening. Participants can elect to provide an optional cerebrospinal fluid (CSF) sample.
Standard radiopharmaceutical injected via intravenous catheter during PET-MR scanning.
Other Names:
  • C11-ER176
Injected via intravenous catheter during PET-MR scanning.
Other Names:
  • Gadolinium-Based Contrast Agent (GBCA)
Used to evaluate neuroinflammation and cerebrovascular measures. Some MRI image acquisitions will employ work in progress (WIP) sequences, including ASL (Arterial Spin Labeling), Diffusion and T2-weighted EPI (DT2W), Golden-angle radial sparse parallel (GRASP) DCE-MRI, and Magnetization Transfer (MT) imaging.
CC (COVID Control)
Individuals with a history of SARS-CoV-2 infection who do not meet the criteria for any DSM-5 diagnosis and perform within normal limits on cognitive tests. Participants will undergo PET/MR scanning, during which a TSPO PET tracer and a Gadolinium-based MRI tracer will be administered intravenously and blood samples will be collected from an arterial line. In addition, blood samples will be taken at screening. Participants can elect to provide an optional cerebrospinal fluid (CSF) sample.
Standard radiopharmaceutical injected via intravenous catheter during PET-MR scanning.
Other Names:
  • C11-ER176
Injected via intravenous catheter during PET-MR scanning.
Other Names:
  • Gadolinium-Based Contrast Agent (GBCA)
Used to evaluate neuroinflammation and cerebrovascular measures. Some MRI image acquisitions will employ work in progress (WIP) sequences, including ASL (Arterial Spin Labeling), Diffusion and T2-weighted EPI (DT2W), Golden-angle radial sparse parallel (GRASP) DCE-MRI, and Magnetization Transfer (MT) imaging.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Level of Translocator Protein (TSPO)
Time Frame: PET/MR Visit (Day 1)
Binding of PET tracer to TSPO.
PET/MR Visit (Day 1)
Occurrence of Microhemorrhages
Time Frame: PET/MR Visit (Day 1)
Evaluated using MRI images (Susceptibility Weighted MRI (SWI), Fluid Attenuated Inversion Recovery (FLAIR), Diffusion Weighted Imaging (DWI), and anatomical MRI).
PET/MR Visit (Day 1)
Permeability Surface Area Product (PS)
Time Frame: PET/MR Visit (Day 1)
Used to evaluate disruptions in the blood-brain-barrier. Derived from the DCE-MRI.
PET/MR Visit (Day 1)
Cerebral Blood Flow
Time Frame: PET/MR Visit (Day 1)
Evaluated using cerebral blood flow maps from Arterial Spin Labeling (ASL).
PET/MR Visit (Day 1)
Peripheral Levels of Pro-Inflammatory Cytokines
Time Frame: PET/MR Visit (Day 1)
Evaluated using blood samples.
PET/MR Visit (Day 1)
Peripheral Levels of High-Sensitivity C-reactive Protein (hs-CRP)
Time Frame: PET/MR Visit (Day 1)
Evaluated using blood samples.
PET/MR Visit (Day 1)
CSF Levels of Pro-Inflammatory Cytokines
Time Frame: CSF Visit (Screening) (Optional)
Evaluated using cerebrospinal fluid collection (optional procedure).
CSF Visit (Screening) (Optional)
CSF Levels of High-Sensitivity C-reactive Protein (hs-CRP)
Time Frame: CSF Visit (Screening) (Optional)
Evaluated using cerebrospinal fluid collection (optional procedure).
CSF Visit (Screening) (Optional)
Free Diffusing Water Fraction
Time Frame: PET/MR Visit (Day 1)
Calculated using DWI.
PET/MR Visit (Day 1)
Extra-Axonal Water Fraction
Time Frame: PET/MR Visit (Day 1)
Calculated using DWI.
PET/MR Visit (Day 1)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Steven Baete, NYU Langone Health

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 15, 2022

Primary Completion (Estimated)

December 31, 2024

Study Completion (Estimated)

December 31, 2024

Study Registration Dates

First Submitted

November 7, 2022

First Submitted That Met QC Criteria

November 7, 2022

First Posted (Actual)

November 14, 2022

Study Record Updates

Last Update Posted (Actual)

February 23, 2024

Last Update Submitted That Met QC Criteria

February 22, 2024

Last Verified

February 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

The de-identified participant data from the final research dataset used in the published manuscript will be shared upon reasonable request beginning 9 months and ending 36 months following article publication or as required by a condition of awards and agreements supporting the research provided the investigator who proposes to use the data executes a data use agreement with NYU Langone Health. Requests may be directed to: [Steven.baete@nyulangone.org]. The protocol and statistical analysis plan will be made available on Clinicaltrials.gov only as required by federal regulation or as a condition of awards and agreements supporting the research.

IPD Sharing Time Frame

Beginning 9 months and ending 36 months following article publication or as required by a condition of awards and agreements supporting the research.

IPD Sharing Access Criteria

Requests should be directed to Steven.baete@nyulangone.org. To gain access, data requestors will need to sign a data access agreement.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

Yes

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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