Brain Imaging Study in Subjects With Alzheimer Disease in Comparison to Healthy Subjects

I

Institute for Neurodegenerative Disorders

Status and phase

Terminated
Phase 1

Conditions

Alzheimer's Disease

Treatments

Drug: I-123-MNI-168
Drug: 123-I MNI-168

Study type

Interventional

Funder types

Other

Identifiers

NCT00870519
MNI-168-01

Details and patient eligibility

About

The underlying goal of this study is to assess 123-I MNI-168 SPECT imaging as a tool to detect ß-amyloid deposition in the brain of Alzheimer's Disease (AD) research participants and similarly aged and gender matched healthy subjects.

Full description

The overall research questions to be addressed by this protocol are as follows: To assess the dynamic uptake and washout of (123I) MNI-168, a potential imaging biomarker for β-amyloid burden in brain, using single photon emission computed tomography (SPECT) in Alzheimer's (AD) subjects and similarly aged and gender matched healthy controls. To perform blood metabolite characterization of (123I) MNI-168 in healthy and AD subjects to determine the metabolic fate and nature of metabolites in assessment of (123I) MNI-168 as a single photon computed tomography (SPECT) brain imaging agent. To acquire initial safety data following injection of (123I) MNI-168. Obtain test/retest reproducibility information in AD subjects with (123I) MNI-168 based on initial studies.

Enrollment

2 patients

Sex

All

Ages

50+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Subjects who have a clinical diagnosis of AD will be recruited for this study
  • The participant is 50 years or older
  • Written informed consent is obtained
  • Participants have a clinical diagnosis of probable Alzheimer's disease based on National Institute of Neurological and Communicative Disorders and Stroke/Alzheimer's Disease and Related Disorders Association (NINCDS/ADRDA) criteria
  • Subjects will have a clinical dementia rating (CDR) assessment score of ≥ 0.5 and < 2.0
  • Modified Hachinski Ischemia Scale score of ≤ 4
  • For females, non-child bearing potential or negative urine and blood pregnancy test on day of 123-I MNI-168 injection

Exclusion criteria

  • The subject has signs or symptoms of another neurodegenerative disease including Parkinson's disease, diffuse Lewy body dementia, or history of significant cerebrovascular disease
  • The subject has clinically significant abnormal laboratory value and/or clinically significant unstable medical or psychiatric illness
  • The subject has any disorder that may interfere with drug absorption distribution, metabolism, or excretion (including gastrointestinal surgery)
  • The subject has evidence of clinically significant gastrointestinal, cardiovascular, hepatic, renal, hematological, neoplastic, endocrine, neurological, immunodeficiency, pulmonary, or other disorder or disease
  • The subject has participated in another clinical study within the previous 30 days
  • Clinically significant MRI evidence of vascular disease or alternative neurologic disorder
  • Pregnancy

Trial design

Primary purpose

Diagnostic

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

2 participants in 2 patient groups

I 123-MNI-168
Experimental group
Treatment:
Drug: 123-I MNI-168
Drug: I-123-MNI-168
I123 MNI168
Experimental group
Description:
brain imaging using I123MNI168
Treatment:
Drug: 123-I MNI-168
Drug: I-123-MNI-168

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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