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Vincristine and concomitant azole therapy in pediatric acute lymphoblastic leukemia patients - a pharmacokinetic study

Phase 4
Completed
Conditions
Acute lymphoblastic leukemia - cancer of white blood cells
10024324
Registration Number
NL-OMON35826
Lead Sponsor
Academisch Medisch Centrum
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
40
Inclusion Criteria

- Diagnosed with acute lymphoblastic leukemia
- Treatment according to nationwide DCOG ALL protocol, induction therapy and/or intensification therapy for Medium Risk Group patients
- Vincristine 1.5 mg/m2 or 2 mg/m2 as iv bolus according to nationwide ALL protocol
- Age 1 - < 18 years
- Azole group: standard azole prophylaxis according to institutional guidelines (itraconazole, voricoanzole therapy started at least 5 days before planned vincristine sampling, fluconazole 7 days)
- Written informed consent from patients or from parents or legal guardians for minor patients, according to local law and regulations

Exclusion Criteria

- Blood sampling not possible
- Patient refusal or parent refusal
- Not able to comply with scheduled follow-up
- Patients with underlying neurological disease such as Charcot-Marie-Tooth disease or Guillain-Barre syndrome
- Patients with underlying Down syndrome

Study & Design

Study Type
Observational invasive
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>Blood levels of vincristine and the metabolite, M1 will be analyzed after<br /><br>administration of vincristine. </p><br>
Secondary Outcome Measures
NameTimeMethod
<p>Blood levels of the azoles will be analyzed at the same time. One whole blood<br /><br>sample for DNA extraction and genotyping will be collected from each patient<br /><br>enrolled in this study. Furthermore, we will study toxicity.</p><br>
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