A prospective single arm trial of involved-field radiotherapy for stage I-II low grade nongastric marginal zone lymphoma

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/454382

Funding Status
Closed

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Funded Activity Summary

This is an international, multicentre study that will, for the first time, prospectively measure the curative potential of radiotherapy in localised marginal zone lymphoma (MZL). Most MZL arises in mucosa-associated lymphoid tissue (MALT), either in the stomach or in a range of other organs such as salivary glands, the tissues around the eye or the thyroid. Many stomach MALT lymphomas are caused by infection with Helicobacter Pylori. This infection can also be associated with non-gastric MALT lymphomas, but the association has never been prospectively studied. Chlamydia Psittaci infection can cause MALT lymphoma in the orbit. The management of localised MZL outside the stomach is controversial and there have been no large prospective studies of any of the commonly-used treatments (radiotherapy, chemotherapy, surgery). No prospective studies have looked at the role of infection with Helicobacter pylori or the role of autoantibodies in these diseases. Radiotherapy is the best-characterised therapy in the literature and appears to have a high cure rate with low toxicity. The disease seems exquisitely radiosensitive. Management of localised MZL in Australia can be ad hoc and we have often seen patients who have undergone unnecessary mutilating surgery or ineffective chemotherapy. It has been reported that localised non-gastric MZL (stage I and II) can be cured with radiotherapy in a high percentage of patients (usually >70%) in retrospective studies from large centres such as Princess Margaret Hospital in Toronto. Workers from that centre will participate in this study. This study will: Prospectively report efficacy and toxicity for radiotherapy in MZL for the first time Definitively document Helicobacter Pylori status in all cases and Chlamydia status in orbital cases Provide a gold standard against which to compare new therapies This study won the award for the most highly supported study in its year at the TROG annual scientific meeting.

Funded Activity Details

Start Date: 2007

End Date: 2011

Funding Scheme: NHMRC Project Grants

Funding Amount: $363,869.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Oncology and Carcinogenesis

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

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