Effectiveness of dose-intensified salvage regimens versus standard-dose chemotherapy for progression-free survival in early progressed follicular lymphoma before autologous stem cell transplantation: a systematic review protocol.
Felipe Pereira Mesquita, Kelli Borges Dos Santos, Juliana Akie Takahashi, Marina Guimarães Dutra Giffoni Dos Santos, Glauber Felizardo Alvim, Abrahão Elias Hallack Neto
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Abstract
Objective: This review will evaluate the effectiveness of dose-intensified versus standard-dose salvage regimens on progression-free survival in early progressed follicular lymphoma before high-dose chemotherapy and autologous stem cell transplantation.
Introduction: Despite the substantial advances in the management of follicular lymphoma, approximately 20% of patients experience progression of the disease within 2 years of induction therapy. These patients have worse outcomes, and autologous stem cell transplantation has been shown to improve outcomes in this context. Little is known about the optimal salvage regimen.
Inclusion criteria: Studies must include patients ≥18 years old with early progressed follicular lymphoma who were submitted to autologous stem cell transplantation in subsequent remission. Clinical trials and observational studies will be included.
Methods: The search strategy will be carried out in MEDLINE (PubMed), Embase (Periódicos CAPES), Scopus, Web of Science, LiLACS, and the Cochrane Library. No date or language restrictions will be imposed. The recommended JBI approach to critical appraisal, study selection, data extraction, and data synthesis will be used. Studies should score at least 50% in accordance with the critical appraisal tool. Data will be pooled whenever possible using the random effects model. Heterogeneity will be assessed using the standard χ 2 and I2 tests. A funnel plot will be generated to assess publication bias if there are 10 or more studies included in the meta-analysis. The GRADE approach will be used to rate certainty of evidence.
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