Radiolabeled Monoclonal Antibody Therapy and High-Dose Chemotherapy Followed By Autologous Peripheral Stem Cell Transplant in Treating Patients With Relapsed or Refractory Non-Hodgkin's Lymphoma

Lymphoma Clinical Trial

Official title: A Phase I Trial Combining IDEC-Y2B8 And High-Dose Beam Chemotherapy With Hematopoietic Progenitor Cell Transplant In Patients With Relapsed Or Refractory B-Cell Non-Hodgkin's Lymphoma

Status Completed

Clinical Trial Summary

RATIONALE: Radiolabeled monoclonal antibodies such as yttrium Y90 ibritumomab tiuxetan can locate cancer cells and deliver radioactive cancer-killing substances to them without harming normal cells. Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining yttrium Y90 ibritumomab tiuxetan and chemotherapy with autologous stem cell transplant may allow the doctor to give higher doses of chemotherapy drugs and kill more cancer cells.

PURPOSE: This phase I trial is studying how well giving yttrium Y90 ibritumomab tiuxetan with high-dose chemotherapy followed by autologous stem cell transplant work in treating patients with relapsed or refractory non-Hodgkin's lymphoma.

Clinical Trial Description

OBJECTIVES:

• Determine the maximum tolerated dose of yttrium Y 90 ibritumomab tiuxetan, in terms of absorbed radiation to critical organs, when administered with high-dose chemotherapy followed by autologous peripheral blood stem cell transplantation in patients with relapsed or refractory B-cell non-Hodgkin's lymphoma.

• Determine whether the residual radioactivity detected at the time of stem cell reinfusion affects the reinfused cells and delays engraftment in patients treated with this regimen.

• Determine the duration of response and survival of patients treated with this regimen.

OUTLINE: This is a dose-escalation study of yttrium Y 90 ibritumomab tiuxetan (IDEC-Y2B8).

• Radioimmunotherapy: Patients receive rituximab IV followed by indium In 111 ibritumomab tiuxetan (for imaging) IV over 10 minutes on day -22. Patients then receive rituximab IV and IDEC-Y2B8 IV over 10 minutes on day -14.

Cohorts of 3-6 patients receive escalating doses of IDEC-Y2B8 until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 3 of 6 patients experience dose-limiting toxicity.

• High-dose conditioning regimen: Patients receive BEAM chemotherapy comprising carmustine IV over 2 hours on day -6, etoposide IV over 2 hours twice daily and cytarabine IV over 1 hour twice daily on days -5 to -2, and melphalan IV over 1 hour on day -1.

• Autologous stem cell transplantation: Autologous peripheral blood stem cells are reinfused on day 0. Patients receive filgrastim (G-CSF) subcutaneously daily beginning on day 0 and continuing until blood counts recover.

Patients are followed at 30 days, 3 and 6 months, and then annually for 5 years.

PROJECTED ACCRUAL: A maximum of 42 patients will be accrued for this study. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

• Lymphoma
• Lymphoma, Non-Hodgkin

• NCT number: NCT00058292
• Study type: Interventional
• Source: Northwestern University
• Status: Completed
• Phase: Phase 1
• Start date: April 2000
• Completion date: March 2009