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A Pharmacokinetic Study of Pediatric Micafungin Prophylaxis (Micafungin)

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ClinicalTrials.gov Identifier: NCT02057289
Recruitment Status : Terminated
First Posted : February 7, 2014
Last Update Posted : May 23, 2018
Sponsor:
Collaborator:
Astellas Pharma Inc
Information provided by (Responsible Party):
Children's Hospital Medical Center, Cincinnati

Brief Summary:
The purpose of this research study is to examine the pharmacokinetics (the process by which a drug is absorbed, distributed, metabolized, and eliminated by the body) of micafungin when it is given at 5mg/kg dose to immunocompromised children as anti-fungal prophylaxis. These children are at high risk for developing invasive fungal disease due to their compromised immunity and associated variable degree and duration of neutropenia. Currently, children who receive micafungin are given daily or alternate day dosing. The investigators will give a ONE TIME dose of micafungin and draw PK levels up to 96 hours post-infusion. The investigators goal is to obtain comparable micafungin drug concentrations at the end of 96 hours (4 days) as compared to lower dose at every 24 hour dosing. The investigators dosing proposal is likely to be effective prophylaxis for immunocompromised patients and would broaden its applicability to larger populations.

Condition or disease Intervention/treatment Phase
Immunocompromised Bone Marrow Transplant Cancer Drug: Micafungin Phase 1

Detailed Description:
Disseminated fungal infection is a major cause of morbidity and mortality in immunocompromised children. Many of the drugs used for fungal prophylaxis have been associated with renal and hepatic toxicity. Also, breakthrough infections have been reported with the use of some of the oral agents due to poor oral absorption. An alternative approach is the use of intravenous micafungin for fungal prophylaxis. Micafungin has a distinct advantage due to its better safety profile, specifically in terms of hepatic and renal toxicity. Currently, children who receive micafungin are given daily or alternate day dosing (based on their last Pk study, Mehta et al 2010). The investigators objective is to examine the pharmacokinetics of micafungin when it is given on a less frequent schedule. The investigators hypothesize that a single dose of micafungin (at 5mg/kg) every 4 days will provide drug exposure equivalent to daily dosing (at 1mg/kg) while reducing administration costs and improving patient convenience (with essentially twice a week dosing regimen). Both animal and adult data support the use of this approach. Fifteen patients will be enrolled on this study and will be given a SINGLE DOSE of micafungin antifungal prophylaxis (5 mg/kg). Blood samples will be drawn for pharmacokinetic measurements after administration of micafungin. Plasma concentration data will be analyzed by compartmental and non-compartmental pharmacokinetic analysis. The data will also be analyzed by a population pharmacokinetic approach.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 9 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Basic Science
Official Title: Micafungin Anti-Fungal Prophylaxis in Immunocompromised Pediatric Patients: A Pharmacokinetic Study
Study Start Date : January 2014
Actual Primary Completion Date : November 2014
Actual Study Completion Date : November 2014

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Molds

Arm Intervention/treatment
Experimental: Micafungin

Subjects will be administered 5 mg/kg of micafungin intravenously as a ONE TIME dose.

For patients undergoing Hematopoietic Stem Cell Transplant (HSCT), Micafungin will be given on during rest days (i.e. days when no chemotherapy is administered) and blood for pharmacokinetic measurements will be drawn over next 96 hours.

Following this, further anti-fungal coverage will be at the discretion of the patient's attending physician. (I.e. other antifungal agent(s) or Micafungin at a standard clinical dose; repeat doses of 5mg/kg will NOT be administered.)

Drug: Micafungin
Micafungin (trade name Mycamine) is an echinocandin antifungal drug developed by Astellas Pharma. It inhibits the production of beta-1,3-glucan, an essential component of fungal cell walls. Micafungin is administered intravenously. It received final approval from the U.S. Food and Drug Administration on March 16, 2005, and gained approval in the European Union on April 25, 2008.
Other Name: Mycamine




Primary Outcome Measures :
  1. Pharmacokinetics to measure the levels of micafungin [ Time Frame: Prior to the micafungin infusion at hour 0, at the end of the infusion (60 min), then at 11/2, 2, 4, 6, 8, 10, 24, 36, 48, 60, 72, 84 and 96 hours after the start of the micafungin infusion. ]
    Blood samples from the above time points will be analyzed to study the bodily absorption, distribution, metabolism, and excretion of micafungin



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Ages Eligible for Study:   6 Months to 10 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Patients who are at risk for fungal infection and require prophylaxis. Example: patients undergoing blood and marrow transplant, immunodeficiency patients, patients with aplastic anemia.
  • Age >= 6 months to <= 10 years (at time of enrollment).
  • Patients with adequate organ function (documented within 2 weeks prior to start of micafungin):

    • Creatinine < 2 times upper limit normal
    • Total bilirubin and AST < 3 times upper limit normal

Exclusion Criteria:

  • Patients who have history of past or evidence of active fungal disease (by either radiological studies or biopsy proven) or are being treated for presumed fungal infection.
  • Patients who have history of allergy to micafungin or other echinocandin preparations, such as Caspofungin or Anidulafungin.
  • Patients who have received micafungin or other echinocandin preparations in the previous two weeks.
  • Patients receiving antifungal prophylaxis other than Fluconazole at the time of enrollment. This is due to the fact that during transplant, Fluconazole is usually switched to agents with better coverage. This will avoid the possibility of reducing effective antifungal coverage for the purpose of the study.
  • Failure to sign informed consent, or inability to undergo informed consent process.
  • It is not medically advisable to obtain the specimens necessary for this study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02057289


Locations
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United States, Ohio
Cincinnati Children's Hospital Medical Center
Cincinnati, Ohio, United States, 45229
Sponsors and Collaborators
Children's Hospital Medical Center, Cincinnati
Astellas Pharma Inc
Investigators
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Principal Investigator: Parinda Mehta, MD CCHMC
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Responsible Party: Children's Hospital Medical Center, Cincinnati
ClinicalTrials.gov Identifier: NCT02057289    
Other Study ID Numbers: 2013-4868
First Posted: February 7, 2014    Key Record Dates
Last Update Posted: May 23, 2018
Last Verified: May 2018
Keywords provided by Children's Hospital Medical Center, Cincinnati:
pediatric
antifungal
bone marrow
AML or relapsed ALL
Additional relevant MeSH terms:
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Micafungin
Antifungal Agents
Anti-Infective Agents