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Key clinical point: Single nucleotide polymorphisms (SNP) of genes encoding specific cellular proteins may be associated with clinical outcomes and represent predictive biomarkers of poor response to lenalidomide maintenance after autologous stem cell transplantation (ASCT) in mantle cell lymphoma (MCL).
Major finding: Patients with ABCB1 or VEGF polymorphisms vs homozygous wild type (WT) in the lenalidomide arm had significantly higher 3-year progression-free survival (PFS) rates (85% vs 70%; P = .047 and 85% vs 60%; P = .0021, respectively). Lenalidomide vs observation did not improve 3-year PFS rates in patients carrying both ABCB1 and VEGF WT (P = .632).
Study details: This pharmacogenetic study included 278 adult patients with previously untreated MCL and adequate biological samples from the phase 3 MCL0208 study, 197 of whom were genotyped after ASCT and randomly assigned to the lenalidomide maintenance or observation arm.
Disclosures: This study was funded by Cancer Research UK and others. Some authors reported ties with various organizations.
Source: Ferrero S et al. Candidate germline biomarkers of lenalidomide efficacy in mantle cell lymphoma: The FIL MCL0208 trial. Blood Adv. 2023 (Apr 14). Doi: 10.1182/bloodadvances.2022009504
Key clinical point: Single nucleotide polymorphisms (SNP) of genes encoding specific cellular proteins may be associated with clinical outcomes and represent predictive biomarkers of poor response to lenalidomide maintenance after autologous stem cell transplantation (ASCT) in mantle cell lymphoma (MCL).
Major finding: Patients with ABCB1 or VEGF polymorphisms vs homozygous wild type (WT) in the lenalidomide arm had significantly higher 3-year progression-free survival (PFS) rates (85% vs 70%; P = .047 and 85% vs 60%; P = .0021, respectively). Lenalidomide vs observation did not improve 3-year PFS rates in patients carrying both ABCB1 and VEGF WT (P = .632).
Study details: This pharmacogenetic study included 278 adult patients with previously untreated MCL and adequate biological samples from the phase 3 MCL0208 study, 197 of whom were genotyped after ASCT and randomly assigned to the lenalidomide maintenance or observation arm.
Disclosures: This study was funded by Cancer Research UK and others. Some authors reported ties with various organizations.
Source: Ferrero S et al. Candidate germline biomarkers of lenalidomide efficacy in mantle cell lymphoma: The FIL MCL0208 trial. Blood Adv. 2023 (Apr 14). Doi: 10.1182/bloodadvances.2022009504
Key clinical point: Single nucleotide polymorphisms (SNP) of genes encoding specific cellular proteins may be associated with clinical outcomes and represent predictive biomarkers of poor response to lenalidomide maintenance after autologous stem cell transplantation (ASCT) in mantle cell lymphoma (MCL).
Major finding: Patients with ABCB1 or VEGF polymorphisms vs homozygous wild type (WT) in the lenalidomide arm had significantly higher 3-year progression-free survival (PFS) rates (85% vs 70%; P = .047 and 85% vs 60%; P = .0021, respectively). Lenalidomide vs observation did not improve 3-year PFS rates in patients carrying both ABCB1 and VEGF WT (P = .632).
Study details: This pharmacogenetic study included 278 adult patients with previously untreated MCL and adequate biological samples from the phase 3 MCL0208 study, 197 of whom were genotyped after ASCT and randomly assigned to the lenalidomide maintenance or observation arm.
Disclosures: This study was funded by Cancer Research UK and others. Some authors reported ties with various organizations.
Source: Ferrero S et al. Candidate germline biomarkers of lenalidomide efficacy in mantle cell lymphoma: The FIL MCL0208 trial. Blood Adv. 2023 (Apr 14). Doi: 10.1182/bloodadvances.2022009504