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A Pharmacokinetic Study of Pediatric Micafungin Prophylaxis

Information source: Children's Hospital Medical Center, Cincinnati
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Immunocompromised; Bone Marrow Transplant; Cancer

Intervention: Micafungin (Drug)

Phase: Phase 1

Status: Active, not recruiting

Sponsored by: Children's Hospital Medical Center, Cincinnati

Official(s) and/or principal investigator(s):
Parinda Mehta, MD, Principal Investigator, Affiliation: CCHMC


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.

Clinical Details

Official title: Micafungin Anti-Fungal Prophylaxis in Immunocompromised Pediatric Patients: A Pharmacokinetic Study

Study design: Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Primary outcome: Pharmacokinetics to measure the levels of micafungin

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.


Minimum age: 6 Months. Maximum age: 10 Years. Gender(s): Both.


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


- 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.

Locations and Contacts

Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, United States
Additional Information

Starting date: January 2014
Last updated: April 2, 2015

Page last updated: August 23, 2015

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