At a glance
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A Phase Ib/II Study Evaluating the Safety, Tolerability and Anti-Tumor Activity of Polatuzumab Vedotin (DCDS4501A) in Combination With Rituximab or Obinutuzumab, Cyclophosphamide, Doxorubicin, and Prednisone in Patients With B-Cell Non-Hodgkin's Lymphoma
In Brief
A Phase 2 clinical trial evaluating Cyclophosphamide, Doxorubicin, and 5 other interventions for Lymphoma, Non Hodgkin. Completed, enrolled 85 participants across 11 sites in 2 countries.
Detailed Summary
This multicenter, open-label, dose-escalation study will evaluate the safety, tolerability, pharmacokinetics, and anti-tumor activity of polatuzumab vedotin in combination with rituximab or obinutuzumab, cyclophosphamide, doxorubicin, and prednisone (CHP chemotherapy) in participants with non-Hodgkin's lymphoma (NHL). Participants will receive escalating doses of polatuzumab vedotin intravenously (IV) every 3 weeks in combination with standard doses of rituximab plus CHP chemotherapy (R-CHP) or obinutuzumab plus CHP chemotherapy (G-CHP). Participants will be treated for a total of six or eight cycles in accordance with local institutional practice. Two parallel treatment arms will explore doses of polatuzumab vedotin in combination with R-CHP or G-CHP. The maximum tolerated dose (MTD) or recommended Phase 2 dose (RP2D) of polatuzumab vedotin in combination with R-CHP will be identified before it is combined with G-CHP. Once the MTD or RP2D is determined, polatuzumab vedotin will be dosed at MTD or RP2D -1 in combination with G-CHP to start the dose escalation of this combination.
Study Details
Timeline
Interventions
Cyclophosphamide will be administered at 750 milligrams per square meter (mg/m\^2) IV every 3 weeks (starting from Cycle 1 Day 1), for 6 or 8 cycles.
Doxorubicin will be administered at 50 mg/m\^2 IV every 3 weeks (starting from Cycle 1 Day 1), for 6 or 8 cycles.
Obinutuzumab will be administered at 1000 milligrams (mg) IV on Cycle 1 Days 1, 8, and 15 and on Day 1 of Cycles 3-8.
Polatuzumab vedotin will be administered at escalating doses (at a starting dose of 1 mg/kg) IV every 3 weeks, for 6 or 8 cycles.
Prednisolone will be administered at 100 mg orally daily for 5 days every 3 weeks (starting from Cycle 1 Day 1), for 6 or 8 cycles. Prednisone at 100 mg orally from Day -7 to Day -1 may be given at the discretion of the treating investigator physician.
Prednisone will be administered at 100 mg orally daily for 5 days every 3 weeks (starting from Cycle 1 Day 1), for 6 or 8 cycles. Prednisone at 100 mg orally from Day -7 to Day -1 may be given at the discretion of the treating investigator physician.
Rituximab will be administered at 375 mg/m\^2 IV every 3 weeks (starting from Cycle 1 Day 1), for 6 or 8 cycles.