In this multinational, phase III study, the safety and efficacy of NEPA, a convenient, fixed-dose antiemetic combination of netupitant, a highly selective NK
1
receptor antagonist (RA), and palonosetron, a distinct 5-HT
3
RA, were evaluated over multiple cycles of highly and moderately emetogenic chemotherapy. NEPA was shown to be safe, well tolerated and highly effective over 1961 chemotherapy cycles.
3 Background: This multicenter, randomized, phase III study compared B-R and CHOP-R as first-line treatment in indolent lymphoma and MCL and was presented at ASH 2009 including a comprehensive safety analysis. Here we present an updated analysis with a cut-off date for 31 Oct 2011. Methods: 549 patients (pts) with indolent or MCL were randomized to receive B-R or CHOP-R for a max of 6 cycles. The primary endpoint was PFS. Results: 514 pts randomized pts were evaluable (261 B-R; 253 CHOP-R). Patient characteristics were well balanced between arms; median age was 64 years. At a median follow-up of 45 months, PFS was significantly prolonged with B-R compared with CHOP-R (HR 0.58, 95% CI 0.44–0.74; P<0.001). Median PFS was 69.5 versus 31.2 months, respectively. The PFS benefit with B-R was maintained in all histological subtypes except marginal zone lymphoma. The PFS benefit with B-R was independent of age; HR 0.52 (P=0.002) in pts ≤60 years (n=199), and HR 0.62 (P=0.002) in pts >60 years (n=315). In pts with normal LDH (62%), PFS was significantly prolonged with B-R compared with CHOP-R (P<0.001), while in the elevated LDH group (38%) PFS was numerically, but not significantly increased with B-R compared with CHOP-R (P=0.118). In patients with follicular lymphoma, FLIPI subgroups defined by 0–2 factors (favorable) and 3–5 factors (unfavorable) had a longer PFS with B-R than with CHOP-R (P=0.043 and P=0.068 for the favorable and unfavorable FLIPI subgroups, respectively). Seventy four salvage treatments had been initiated in the B-R group; compared with 116 in the CHOP-R group, of those in the CHOP-R group 52 pts received B-R as salvage regimen. Overall survival did not differ between the treatment arms, with 43 and 45 deaths in the B-R and CHOP-R arms, respectively. Twenty secondary malignancies were observed in the B-R group compared with 23 in the CHOP-R group, with 1 hematological malignancy in each group (1 MDS in B-R, 1 AML in CHOP-R). Conclusions: In patients with previously untreated indolent lymphoma, and elderly patients with MCL, B-R demonstrates a PFS benefit and improved tolerability compared with CHOP-R.
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