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Assessment of the Biodistribution and Safety of [18F]MNI-958 in Healthy Subjects

Assessment of the Biodistribution and Safety of [18F]MNI-958 in Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03472313
Enrollment
2
Registered
2018-03-21
Start date
2017-11-14
Completion date
2018-04-20
Last updated
2018-10-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Keywords

HV

Brief summary

The overall goal of this protocol is to evaluate the biodistribution of \[18F\]MNI-958 also known as APN-0000455 or PM-PBB3, as a tau targeted radiopharmaceutical.

Detailed description

The overall goal of this protocol is to evaluate the biodistribution of \[18F\]MNI-958 also known as APN-0000455 or PM-PBB3, as a tau targeted radiopharmaceutical. The specific objectives are: * To determine the radiation dosimetry of \[18F\]MNI-958 * To assess the safety and tolerability of a single dose of \[18F\]MNI-958

Interventions

Healthy Volunteers recruited for the study will undergo a single \[18F\]MNI-958 injection and PET scan.

Sponsors

Invicro
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* The participant is 18 to 55 years old. * Written informed consent must be obtained before any assessment is performed. * Female subjects must be documented by medical records or physician's note to be either surgically sterile (by means of hysterectomy, bilateral oophorectomy, or tubal ligation) or post-menopausal for at least 1 year or, if they are of child-bearing potential, must commit to use a barrier contraception method for the duration of the study. * Male subjects and their partners of childbearing potential must commit to the use of two methods of contraception, one of which is a barrier method for male subjects for the study duration. * Male subjects must not donate sperm for the study duration. * Willing and able to cooperate with study procedures.

Exclusion criteria

* The subject has a clinically significant abnormal laboratory value and/or clinically significant unstable medical or psychiatric illness. * The subject is a currently exposed to nicotine products or had regular nicotine exposure within a six month period, to be verified by urine cotinine screening. * History of drug or alcohol abuse within 12 months prior to screening, or evidence of such abuse as indicated by the laboratory assays conducted during the screening visit. * 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 any disorder that may interfere with drug absorption, distribution, metabolism, or excretion. * Prior participation in other research protocols or clinical care in the last year in addition to the radiation exposure expected from participation in this clinical study, such that radiation exposure does not exceed the effective dose of 50 mSv, equivalent with the acceptable annual limits established by the US Federal Guidelines. * Pregnancy or women who are breastfeeding, lactating or nursing. * Unsuitable veins for repeated venipuncture. * History of immunodeficiency diseases, including a positive HIV test result. * A positive Hepatitis B surface antigen (HBsAg) or Hepatitis C antibody test result.

Design outcomes

Primary

MeasureTime frameDescription
Assessment of the Biodistribution and Safety of [18F]MNI-958 in Healthy Subjects2 monthsWhole body tomographic PET images will be obtained for 6 healthy volunteers, and reviewed visually for assessment of body organ distribution of radioactivity. Volumes of Interest (VOI) will be placed on the visually identified source organs, and subsequently used for all the study PET frames. Activity within these volumes of interest is expressed in units of total radioactivity (kBq). Radioactivity will be corrected for body attenuation, but not for decay, and time activity data (TAC) generated for each source organ.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026