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Efficacy and safety of subcutaneous rituximab versus intravenous rituximab for first-line treatment of follicular lymphoma (SABRINA): a randomised, open-label, phase 3 trial.

Abstract：

BACKGROUND:Intravenous rituximab is the standard of care in B-cell non-Hodgkin lymphoma, and is administered over 1·5-6 h. A subcutaneous formulation could reduce patients' treatment burden and improve resource utilisation in health care. We aimed to show the pharmacokinetic non-inferiority of subcutaneous rituximab to intravenous rituximab in follicular lymphoma and to provide efficacy and safety data. METHODS:SABRINA is a two-stage, randomised, open-label phase 3 study at 113 centres in 30 countries. Eligible patients were aged 18 years or older and had histologically confirmed, previously untreated, CD20-positive grade 1, 2, or 3a follicular lymphoma; Eastern Co-operative Oncology Group performance statuses of 0-2; bidimensionally measurable disease (by CT or MRI); life expectancy of 6 months or more; adequate haematological function for 28 days or more; and one or more symptoms requiring treatment according to the Groupe d'Etudes des Lymphomes Folliculaires criteria. Patients were randomly assigned (1:1) by investigators or members of the research team via a dynamic randomisation algorithm to 375 mg/m2 intravenous rituximab or 1400 mg subcutaneous rituximab, plus chemotherapy (six-to-eight cycles of cyclophosphamide, doxorubicin, vincristine, and prednisone [CHOP] or eight cycles of cyclophosphamide, vincristine, and prednisone [CVP]), every 3 weeks during induction, then rituximab maintenance every 8 weeks. Randomisation was stratified by selected chemotherapy, Follicular Lymphoma International Prognostic Index, and region. The primary endpoint for stage 2 was overall response (ie, confirmed complete response, unconfirmed complete response, and partial response) at the end of induction. Efficacy analyses were done in the intention-to-treat population. Pooled data from stages 1 and 2 are reported on the basis of the clinical cutoff date of the last patient completing the maintenance phase of the study. This trial is registered with ClinicalTrials.gov, number NCT01200758; new patients are no longer being recruited, but some patients are still being followed up. FINDINGS:Between Feb 15, 2011, and May 15, 2013, 410 patients were randomly assigned, 205 to intravenous rituximab and 205 to subcutaneous rituximab. Investigator-assessed overall response at the end of induction was 84·9% (95% CI 79·2-89·5) in the intravenous group and 84·4% (78·7-89·1) in the subcutaneous group. The frequency of adverse events was similar in both groups (199 [95%] of 210 in the intravenous group vs 189 [96%] of 197 in the subcutaneous group); the frequency of adverse events of grade 3 or higher was also similar (116 [55%] vs 111 [56%]). The most common grade 3 or higher adverse event was neutropenia, which occurred in 44 patients (21%) in the intravenous group and 52 (26%) in the subcutaneous group. Serious adverse events occurred in 72 patients (34%) in the intravenous group and 73 (37%) in the subcutaneous group. Administration-related reactions occurred in 73 patients (35%) in the intravenous group and 95 (48%) patients in the subcutaneous group (mainly grade 1 or 2 local injection-site reactions). INTERPRETATION:Intravenous and subcutaneous rituximab had similar efficacy and safety profiles, and no new safety concerns were noted. Subcutaneous administration does not compromise the anti-lymphoma activity of rituximab when given with chemotherapy. FUNDING:F Hoffmann-La Roche.

journal_name

Lancet Haematol

journal_title

The Lancet. Haematology

authors

Davies A,Merli F,Mihaljević B,Mercadal S,Siritanaratkul N,Solal-Céligny P,Boehnke A,Berge C,Genevray M,Zharkov A,Dixon M,Brewster M,Barrett M,MacDonald D

doi

10.1016/S2352-3026(17)30078-9

subject

Has Abstract

pub_date

2017-06-01 00:00:00

pages

e272-e282

issue

6

issn

2352-3026

pii

S2352-3026(17)30078-9

journal_volume

4

pub_type

杂志文章,随机对照试验

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