Table 4.
Ref. | Prior therapies | Treatment regimen | Bortezomib dose and schedule | Phase | No. of patients | Results |
---|---|---|---|---|---|---|
[100] | At least 1 | Rituximab (375 mg/m2 on days 1, 8, 15, 22 of cycle 1 and day 1 of cycles 2 – 5) ± bortezomib | 1.6 mg/m2 on days 1, 8, 15, 22, every 35 days × 5 | III | 676 (340 in rituximab group + 336 in combination group) | Median PFS 11 months in rituximab group and 12.8 months in combination group (p = 0.039) |
[99] | Median 2 | Bortezomib, rituximab (375 mg/m2 on days 1, 8, 15, 22 of cycle 1 and day 1 of cycles 2 – 5) and bendamustine (50, 70 or 90 mg/m2 on days 1 and 2) | 1.6 mg/m2 on days 1, 8, 15, 22, every 35 days × 5 | II | 73 (63 received 90 mg/m2 of bendamustine) | 88% ORR, 53% CRs, median DOR 11.7 months and PFS 14.9 months |
[97] | Median 3 in biweekly arm, 3.8 in weekly arm | Monotherapy (comparison of two schedules) | 1.5 mg/m2 on days 1, 4, 8, 11, every 21 days up to 8 cycles versus 1.6 mg/m2 on days 1, 8, 15, 22, every 35 days up to 6 cycles. Two additional cycles allowed in both arms in responders | II | 87 (50 in biweekly arm + 37 in weekly arm | ITT ORR 30% in biweekly arm versus 22% in weekly arm (evaluable ORR 32 vs 23%); median DOR 16 and 15 months, and PFS 7 and 6 months, respectively, at median f/u of 36 and 38 months, respectively |
[98] | None | BR-CVP for up to 8 cycles | 1.3 mg/m2 on days 1 and 8 of a 21-day cycle | II | 94 | 83% ORR, 49% CR/ CRu rate (ITT) |
BR-CVP: Bortezomib, rituximab, cyclophosphamide, vincristine, prednisone; CR: Complete response; CRu: Unconfirmed complete response; DOR: Duration of response; f/u: Follow up; ITT: Intention to treat; ORR: Overall response rate; PFS: Progression-free survival.