Publications by authors named "Sumi Ratnasingam"

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Outcomes of stage I/II follicular lymphoma in the PET era: an international study from the Australian Lymphoma Alliance.

Blood Adv 2019 10;3(19):2804-2811

Department of Haematology, Princess Alexandra Hospital, Brisbane, QLD, Australia.

Management practices in early-stage (I/II) follicular lymphoma (FL) are variable and include radiation (RT), systemic therapy, or combined modality therapy (CMT). There is a paucity of data regarding maintenance rituximab in this cohort. We conducted an international retrospective study of patients with newly diagnosed early-stage FL staged with positron emission tomography (PET)-computed tomography and bone marrow biopsy. Three hundred sixty-five patients (stage I, n = 221), median age 63 years, treated from 2005-2017 were included, with a median follow-up of 45 months. Management included watchful waiting (WW; n = 85) and active treatment (n = 280). The latter consisted of RT alone (n = 171) or systemic therapy (immunochemotherapy [n = 63] or CMT [n = 46]). Forty-nine systemically treated patients received maintenance rituximab; 72.7% of stage I patients received RT alone, compared to 42.6% with stage II ( < .001). Active therapies yielded comparable overall response rates ( = .87). RT alone and systemic therapy without maintenance rituximab yielded similar progression-free survival (PFS) (hazard ratio [HR], 1.32; 95% confidence interval [CI], 0.77-2.34; = .96). Maintenance rituximab improved PFS (HR, 0.24; 95% CI, 0.095-0.64; = .017). The incidence of transformation was lower with systemic therapy compared to RT or WW (HR, 0.20; 95% CI, 0.070-0.61; = .034). Overall survival was similar among all practices, including WW ( = .40). In the largest comparative assessment of management practices in the modern era, variable practices each resulted in similar excellent outcomes. Randomized studies are required to determine the optimal treatment in early-stage FL.
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http://dx.doi.org/10.1182/bloodadvances.2019000458DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6784528PMC
October 2019