Therapeutic drug monitoring of asparaginase and methotrexate metabolism in childhood acute lymphoblastic leukemia.
- Conditions
- Blood cancerleukemia10024324
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 70
- Patients who are treated according to the DCOG ALL11 protocol.
- Informed consent have to be signed by parents/guardians and patient of 12 years or older.
- Patients who have a contraindication for asparaginase.
- Patients with hypersensitivity reactions to PEGasparaginase will switch to Erwinia asparaginase. These patients will be included in the population pharmacokinetic analysis up to the point a hypersensitivity reaction occurs. They will still remain included in the 3 other studies.
- Patients who are stratified as high risk will be excluded from the methotrexate study.
Study & Design
- Study Type
- Observational invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>The main study parameters are clearance, inter- and intra-patient variability<br /><br>in clearance and volume of distribution in the population pharmacokinetics<br /><br>study, difference in intracellular MTX polyglutamate concentration and toxicity<br /><br>in the MTX study, the difference in asparaginase toxicity profiles in the<br /><br>toxicity study and difference in costs in the cost analysis.</p><br>
- Secondary Outcome Measures
Name Time Method <p>Not applicable. </p><br>