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Combination treatment with immunochemotherapy (R-DHAP) and lenalidomide

Dosage:

Rituximab 375 mg/m² day 1, i.v. Cisplatin 100 mg/m² or Carboplatin AUC5 day 2, i.v. Cytarabine 2000 mg/m², administered twice, on day 3, i.v. Dexamethasone 40 mg, days 2-5, p.o. Lenalidomide 5-20 mg, day 1-7 / day-6-+7, p.o. PEG-Filgrastim 6 mg, day 6, s.c.

peripheral stem cell collection after cycle 1 or 2

Cytarabine 2000 mg/m², administered twice

5-20 mg administered either d1-d7, or d-6-d7

PegFilgrastim

collection of peripheral stem cells for autologous stem cell transplantation

peripheral stem cell collection

Bertram Glaß, MD

The goal of this study is to evaluate efficacy and safety of the combination of lenalidomide, an immunomodulatory drug (IMiD) with a standard immunochemotherapy treatment, called R-DHAP. R-DHAP consists of a monoclonal antibody called Rituximab and chemotherapy consisting of Dexamethasone, high dose Cytarabine, often called Ara-C, and platinum based chemotherapy, either cisplatinum, or, if treatment with cisplatinum is contraindicated, carboplatinum.

This is a phase 1/2 study to evaluate the efficacy and safety of lenalidomide added to a standard chemotherapy regime of R-DHAP (Rituximab, Dexamethasone, high-dose Cytarabine, Cis/Carboplatinum) in the treatment of relapsed or refractory high-grade B-cell non-hodgkin-lymphoma (NHL).

The study hypothesis is that the combination of lenalidomide with standard immunochemotherapy will lead to an overall response rate of at least 60%. In this study, 3 rounds of immunochemotherapy in combination with lenalidomide will be administered. After the first or second round of therapy, peripheral hematopoetic stem cells will be harvested. Consolidation treatment with autologous or allogenic peripheral blood stem cell transplantation is recommended in all patients suitable, but is not part of the study.

In phase 1, up to six cohorts of at least 6 patients each will be treated with the study therapy, with lenalidomide in increasing dosages, to determine the maximum tolerated dose (MTD).

In phase 2, 50 patients will be treated with the MTD. Efficacy and safety will be evaluated.

Therapy of Non-Hodgkin-Lymphoma by Combination of Lenalidomide + Rituximab, Dexa, High-dose ARA-C and CisP

Open-label, Multicenter Phase I/II Study: Salvage Therapy of Progressive and Relapsed Aggressive Non-Hodgkin-Lymphoma by Combination of Lenalidomide (Revlimid®) With Rituximab, Dexamethason, High-dose ARA-C and Cisplatinum (R²-DHAP)

The percentage of patients which showed either a partial remission (PR), a complete remission with remaining uncertainty (CRu) or a complete remission (CR) after study treatment.

The maximum dose of lenalidomide tolerated with acceptable toxicity during phase 1 of this study. The MTD established in phase 1 of this study will be administered to 50 patients in phase 2 of this study.

The rate of patients which show progressive disease (PD) during or directly after study therapy

The collection of peripheral stem cells is needed to be able to offer the patient high dose chemotherapy followed by autologous stem cell transplantation after the study treatment has ended.

Stem cell collection of \<2.0 \*10e6 CD34+cells/kg will be considered insufficient.

laboratory WBC \< 1.0 /nl or Plt \< 25 /nl

Celgene

Amgen

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Spots Global Cancer Trial Database for mantle cell lymphoma (mcl), blastoid variant