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Pharmacokinetics of Caspofungin in Burn Patients

Information source: Assistance Publique - H˘pitaux de Paris
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Thermal Injury

Intervention: Caspofungin (drug) (Drug)

Phase: Phase 2/Phase 3

Status: Completed

Sponsored by: Assistance Publique - H˘pitaux de Paris

Official(s) and/or principal investigator(s):
Christophe Vinsonneau, MD, Principal Investigator, Affiliation: Assistance Publique - H├┤pitaux de Paris

Summary

Drug pharmacokinetics of antimicrobial agents is significantly altered in the burn patients. Additionally, burn patient population exhibits a wide inter- and intrapatient variation in drug handling. Several investigations carried out in burn patients treated with e. g. fluconazole showed the requirement to increase daily dose in comparison with healthy volunteers. However, no pharmacokinetic data are available of caspofungin in the burn population. The aim of this investigation is to investigate pharmacokinetics of caspofungin in burn patients after a single usual dose (70 mg i. v.), in order to determine the optimal dose in this population.

Clinical Details

Official title: Pharmacokinetics of Caspofungin in Burn Patients

Study design: Allocation: Non-Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: area under the curve of caspofungin plasma concentrations over 24 hours mean peak level and trough concentration (24 hours after dosing)

Secondary outcome:

mean total clearance

mean distribution volume

Detailed description: The aim of this investigation is to investigate pharmacokinetics of caspofungin in burn patients after a single usual dose (70 mg i. v.). Blood samples are drawn just before administration and 0. 25, 0. 5,1 1. 5, 3, 6, 12, 24, 48, 72, 96 and 120 hours after administration. Caspofungin plasma concentrations are measured by liquid-chromatography spectrometry mass tandem. The primary end-points are :

- area under the curve of caspofungin plasma concentrations over 24 hours

- mean peak level and trough concentration (24 hours after dosing)

The secondary end-points are :

- mean total clearance

- mean distribution volume These parameters will be compared to those usually observed in

non burn patients. The optimal dose in burn patients is the dose achieving an exposure similar to that in non burn patients.

Eligibility

Minimum age: 18 Years. Maximum age: 60 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- 18 - 60 years old

- burn surface : 20-60% total body surface area

- delay of injury time : 8-15 days

- lack of fungal infection

- delay of hospitalization : > 5 days

- written informed consent

- last biological picture in 24 hours before inclusion

Exclusion Criteria:

- survival inferior to 5 days

- surgical intervention planned in the next five days following inclusion

- moderate or severe hepatic impairment according to Child Plug B > 9

- pregnancy

- allergy to caspofungin or excipients (saccharose, mannitol and frozen acetic acid)

- patient already included in other study

- concomitant administration of CYP450 inducers : rifampicin, efavirenz, phenobarbital,

phenytoin, carbamazepine

- withdrawal of consent

- event (during the first 48 hours following administration) susceptible to modify

pharmacokinetic parameters

- Investigator decision

- no social security insurance

Locations and Contacts

Cochin, Paris 75014, France
Additional Information

Starting date: February 2009
Last updated: December 15, 2011

Page last updated: August 20, 2015

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