To Determine The Amount Of Voriconazole In The Brain After 2 Loading Doses And 3 Maintenance Doses Over 3 Days
Assessment Of Voriconazole Penetration Into The Brain By Fluorine-Magnetic Resonance Spectroscopy
1 other identifier
interventional
12
1 country
1
Brief Summary
To determine the amount of voriconazole in the brain after 2 loading doses and 3 maintenance doses over 3 days and compare it to the amount of voriconazole in the plasma.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4
Started Mar 2007
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 7, 2006
CompletedFirst Posted
Study publicly available on registry
March 9, 2006
CompletedStudy Start
First participant enrolled
March 1, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2008
CompletedResults Posted
Study results publicly available
October 14, 2009
CompletedOctober 14, 2009
October 1, 2009
1.4 years
March 7, 2006
August 26, 2009
October 5, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Plasma Concentrations of Voriconazole
Mean plasma voriconazole concentrations (nanograms per milliliter \[ng/mL\]) pre-dose (Cmin) and two hours post-dose (C2h). Plasma samples were assayed using a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometry (HPLC-MS/MS) method.
Day 3: pre-dose, 2 hours post-dose
Brain Concentrations of Voriconazole
Mean brain concentrations (ng/mL) of voriconazole pre-dose and 2 hours post-dose measured by Fluorine (F) Magnetic Resonance Spectroscopy (F-MRS).
Day 3: pre-dose, 2 hours post-dose
Plasma Concentrations of N-oxide Metabolite
Mean plasma concentrations of voriconazole N-oxide metabolite (ng/mL) pre-dose and 2 hours post-dose. Plasma samples were assayed using a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometry (HPLC-MS/MS) method.
Day 3: pre-dose, 2 hours post-dose
Brain Concentrations of N-oxide Metabolite
Mean brain concentrations (ng/mL) of voriconazole N-oxide metabolite pre-dose and 2 hours post-dose measured by Fluorine (F) Magnetic Resonance Spectroscopy (F-MRS).
Day 3: pre-dose, 2 hours post-dose
Study Arms (1)
voriconazole
EXPERIMENTALvoriconazole twice daily
Interventions
Multiple oral doses of voriconazole at 400 mg loading twice daily followed by 200 mg maintenance twice daily
Eligibility Criteria
You may qualify if:
- Subjects must be willing and able to provide informed consent.
- Subjects must be willing and able to be confined at the Clinical Research Unit as required by the protocol.
You may not qualify if:
- Subjects with any condition affecting drug absorption.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Pfizerlead
- McLean Hospital. Belmont, MA.collaborator
Study Sites (1)
Pfizer Investigational Site
Belmont, Massachusetts, 02478-1041, United States
Related Publications (1)
Henry ME, Bolo NR, Zuo CS, Villafuerte RA, Cayetano K, Glue P, Damle BD, Andrews E, Lauriat TL, Rana NS, Churchill JH, Renshaw PF. Quantification of brain voriconazole levels in healthy adults using fluorine magnetic resonance spectroscopy. Antimicrob Agents Chemother. 2013 Nov;57(11):5271-6. doi: 10.1128/AAC.00394-13. Epub 2013 Aug 12.
PMID: 23939898DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Pfizer ClinicalTrials.gov Call Center
- Organization
- Pfizer, Inc.
Study Officials
- STUDY DIRECTOR
Pfizer CT.gov Call Center
Pfizer
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
March 7, 2006
First Posted
March 9, 2006
Study Start
March 1, 2007
Primary Completion
August 1, 2008
Study Completion
August 1, 2008
Last Updated
October 14, 2009
Results First Posted
October 14, 2009
Record last verified: 2009-10