Bendamustine and rituximab in elderly patients with low-tumour burden follicular lymphoma. Results of the LYSA phase II BRIEF study.
(2018) British Journal of Haematology — Vol. 183, n° 1, p. 76-86 (2018)
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Gyan, Emmanuel 
- Abstract
- The treatment of low-tumour burden follicular lymphoma (LTBFL) remains a challenge. Rituximab-based strategies may be improved by adding chemotherapy. This Lymphoma Study Association multicentre phase II study assessed rituximab and bendamustine in 63 patients with untreated LTBFL who were aged over 60 years old and had a follicular lymphoma International Prognostic Index (FLIPI) score ≥2. Induction comprised 4 weekly cycles of rituximab 375 mg/m intravenously combined with 2 cycles of bendamustine 90 mg/m days 1-2 with a 28-day interval, followed by twelve cycles of 375 mg/m rituximab maintenance therapy every 8 weeks. The primary endpoint was complete response (CR)/unconfirmed CR (CRu), at 12 weeks. Median age was 67·4 years and median FLIPI was 3. Ultimately, 18 patients (29%) had high tumour burden according to Groupe d'Etude des Lymphomes Folliculaires criteria. The 12-week CR/CRu rate was 54·0% and the overall response rate was 93·7%. Surprisingly, 3 patients died during maintenance (2 sepsis, 1 neoplasm). Progression-free survival was 85·4% at 24 months. In LTBFL patients with FLIPI ≥2, two cycles of rituximab and bendamustine result in a CR rate of 54·0%. However, the treatment-related deaths observed do not allow this regimen to be recommended for LTBFL patients aged over 60 years. EudraCT: 2010-020757-14; ClinicalTrials.gov: NCT01313611.
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Gyan, E., Sonet, A., Brice, P., Anglaret, B., Laribi, K., Fruchart, C., Tilly, H., Araujo, C., Soubeyran, P., Gonzalez, H., Morineau, N., Nicolas-Virelizier, E., Ghesquières, H., Salles, B., Bouabdallah, R., Orfeuvre, H., Fahri, J., Couturier, O., Xerri, L., & Feugier, P. (2018). Bendamustine and rituximab in elderly patients with low-tumour burden follicular lymphoma. Results of the LYSA phase II BRIEF study. British Journal of Haematology, 183(1), 76-86. https://doi.org/10.1111/bjh.15513 (Original work published 2018)