Patients with EGFR-mutated metastatic NSCLC, treated with osimertinib as part of regular care are eligible for inclusion. Participants have at least radiologically proven stable disease (SD) or better on regular care osimertinib therapy., without CNS metastases on brain MRI and without the ABCG2 34G>A SNP
Conditions
Brief summary
Osimertinib concentration in CSF and plasma before and after combination with febuxostat
Detailed description
Osimertinib concentration in CSF before and after combination with febuxostat, Osimertinib plasma trough concentration before and after addition of febuxostat, AZ5104 and AZ7550 plasma trough concentration before and after combination with febuxostat, AZ5104 and AZ7550 CSF concentration before and after combination with febuxostat, Adverse events according to CTCAE v5.0 criteria, ABCB1 and ABCG2 genotype status, and osimertinib, AZ5104 and AZ7550 CNS concentrations, AEs and osimertinib, AZ5104 and AZ7550 concentrations in blood and CSF
Interventions
Sponsors
Eligibility
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Osimertinib concentration in CSF and plasma before and after combination with febuxostat | — |
Secondary
| Measure | Time frame |
|---|---|
| Osimertinib concentration in CSF before and after combination with febuxostat, Osimertinib plasma trough concentration before and after addition of febuxostat, AZ5104 and AZ7550 plasma trough concentration before and after combination with febuxostat, AZ5104 and AZ7550 CSF concentration before and after combination with febuxostat, Adverse events according to CTCAE v5.0 criteria, ABCB1 and ABCG2 genotype status, and osimertinib, AZ5104 and AZ7550 CNS concentrations, AEs and osimertinib, AZ5104 and AZ7550 concentrations in blood and CSF | — |