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Clinical Trial Summary

This study evaluates the use of the standard treatment R-CHOP plus the anti-VEGF drug, bevacizumab and whether this treatment is feasible in patients with stage II, III and IV diffuse large B cell lymphoma (DLBCL).


Clinical Trial Description

Non-Hodgkin's lymphoma is increasing in incidence with more than 287,000 cases world-wide and 9000 cases in UK diagnosed each year. DLBCL is the most frequently occurring NHL, constituting approximately 31% of all non-Hodgkin's lymphomas.

Rituximab-CHOP chemotherapy has shown clinical efficacy and is regarded as standard treatment in patients with DLBCL. NICE has recently approved the use of rituzimab in combination with CHOP for all newly diagnosed patients with DLBCL stage II-IV.

Angiogenesis plays an important role in the pathophysiology of both solid tumours and hematologic malignancies. Vascular endothelial growth factor (VEGF) is the most important pro-angiogenic factor involved in normal and pathologic angiogenesis and studies have also implicated VEGF in lymphomagenesis. Elevated VEGF gene expression correlates with diffuse large B cell lymphoma subtypes of poor prognosis on microarray analysis. In patients with lymphoma, high circulating serum VEGF levels have been strongly associated with poor clinical outcomes independent of other predictive factors.

Bevacizumab is a humanized monoclonal antibody that binds to VEGF thus preventing binding to its receptors thus inhibiting the downstream pathways dependent on receptor stimulation. Bevacizamab has shown activity in solid tumours (colorectal, renal, breast and non-small cell lung cancer) and early results suggest that the combination of R-CHOP plus bevacizamab is feasible in patients with non Hodgkin's lymphoma.

Patients will be treated with a minimum of 6 cycles of treatment. A further 2 cycles, to a total of 8 cycles, may be administered if continuing response to treatment has been documented but residual disease is still detectable on restaging after 6 cycles. Each cycle of treatment is 21 days.

Follow up - a) Clinic visit with physical examination at 3, 6, 9, 12, 18 and 24 months after completion of R-CHOP-B, then annually.

b) CT scan of chest, abdomen and pelvis at 3 months and 1 year after finishing treatment. ;


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


NCT number NCT00788606
Study type Interventional
Source Royal Marsden NHS Foundation Trust
Contact
Status Terminated
Phase Phase 2
Start date May 2008
Completion date June 2010

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