Status:

COMPLETED

A Study of Two Methodologies for Measuring Blood Flow in the Brain in Response to Non-Drug Stimuli (P08085/MK-0000-180)

Lead Sponsor:

Merck Sharp & Dohme LLC

Conditions:

Functional Magnetic Resonance Imaging

Eligibility:

MALE

21-45 years

Phase:

PHASE1

Brief Summary

This study will identify a dose of ferumoxytol that can reliably detect changes in blood flow/volume in response to non-drug stimuli. The study will determine whether signal detection for functional m...

Detailed Description

Study Design: Translational Medicine - Imaging Platform Development

Eligibility Criteria

Inclusion

  • Participant weighs approximately 55-75 kg and has a Body Mass Index (BMI) of 18-25 kg/m\^2
  • Participant is in good health
  • Participant is a nonsmoker and/or has not used nicotine or nicotine-containing products for at least 6 months

Exclusion

  • Participant has a contraindication to MRI including cardiac pacemaker, brain aneurysm clip, implanted neurostimulator, insulin pump, cochlear implant, metal slivers in the eyes, or any other MRI-incompatible metal implants that cannot be safely removed
  • Participant has a condition that would limit his ability to complete MRI procedures, such as claustrophobia or chronic back pain
  • Participant plans to undergo MRI studies in the 3 months following the post-study visit
  • Participant has a history of hemochromatosis or other conditions of iron overload or disease of iron metabolism
  • Participant has a known sensitivity to ferumoxytol or iron-containing products or has a history of severe allergies, anaphylactic reaction, or intolerance to drugs and/or foods
  • Participant has a history of stroke, chronic seizures, or major neurological disorder
  • Participant is unable to refrain from the use of any medication, including prescription and non-prescription drugs or herbal remedies from approximately 2 weeks prior to the first dose of ferumoxytol until the post-study visit
  • Participant has a history of significant head injury/trauma with loss of consciousness lasting for 15 minutes and one or more of the following: a) recurring seizures resulting from head injury; b) persistent neurological or cognitive sequelae of the injury; c) cognitive rehabilitation following the injury

Key Trial Info

Start Date :

November 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 1 2011

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT01244282

Start Date

November 1 2010

End Date

April 1 2011

Last Update

June 10 2016

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