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The primary objective of this trial is as follows:
To determine the pharmacokinetics of micafungin given twice weekly in patients at risk for developing an invasive fungal disease (patients who are being treated for acute or chronic graft versus host disease; patients receiving reduced intensity conditioning for Stem Cell Transplant (SCT); receiving first remission induction chemotherapy for Acute Myeloid Leucaemia (AML)/MyeloDysplasticSyndrome (MDS)) compared to the pharmacokinetics of micafungin given daily.
The secondary objective of this trial is as follows:
To determine whether adequate exposure of micafungin is attained. To determine the safety of micafungin in this patient population
Micafungin has been shown to be a reasonable option for treating invasive aspergillosis in hematopoietic stem cell transplantation (HSCT) recipients and has proven as effective as fluconazole for prophylaxis. Whilst micafungin has much to offer, little is known about its pharmacokinetic profile in specific patient populations, specifically concerning alternate dosing strategies with increased dosages over a prolonged dosing interval. Sufficient data are lacking up to now for twice weekly administration of micafungin as antifungal prophylaxis. Decreasing the dosing frequency to twice weekly seems a reasonable approach considering the long terminal elimination life (i.e. 10-17 h) and considering the data available from murine models that support the use of less frequent dosing with higher dosages.
It will enable us to characterize both the pharmacokinetics of micafungin in the hematology cohort and directly compare the exposure to the alternate dosing strategy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| alternate dosing | Experimental | treatment for 8 days with intravenous micafungin twice weekly |
|
| daily dosing | Active Comparator | micafungin daily for 8 days |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| alternate dosing | Other | treatment for 8 days with intravenous micafungin twice weekly |
|
| Measure | Description | Time Frame |
|---|---|---|
| area under the curve | Full pharmacokinetic curves will be taken op Day 4 or 5 and Day 8 (micafungin). AUC of two dosing regimens will be compared. | day 4 and day 8 |
| Measure | Description | Time Frame |
|---|---|---|
| population PK model | to perform Monte Carlo simulations to provide the scientific background for alternate dosing strategies in the prophylactic setting | Day 4 and Day 8 |
| adverse events | number and severity of adverse events will be recorded during the study and both treatment regimens will be compared |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Roger Brüggemann | Radboud University Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UZ Leuven | Leuven | Belgium | ||||
| Radboudumc |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30137340 | Result | Muilwijk EW, Maertens JA, van der Velden WJFM, Ter Heine R, Colbers A, Burger DM, Andes D, Theunissen K, Blijlevens NMA, Bruggemann RJM. Pharmacokinetics of extended dose intervals of micafungin in haematology patients: optimizing antifungal prophylaxis. J Antimicrob Chemother. 2018 Nov 1;73(11):3095-3101. doi: 10.1093/jac/dky324. |
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| daily dosing | Other | micafungin daily for 8 days |
|
| micafungin | Drug |
|
| day 1- 11 |
| Nijmegen |
| Netherlands |
| ID | Term |
|---|---|
| D000077551 | Micafungin |
| ID | Term |
|---|---|
| D055666 | Lipopeptides |
| D008055 | Lipids |
| D010455 | Peptides |
| D000602 | Amino Acids, Peptides, and Proteins |
| D054714 | Echinocandins |
| D010456 | Peptides, Cyclic |
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