The phase 3 inMIND trial evaluating tafasitamab in combination with lenalidomide and rituximab in relapsed or refractory follicular lymphoma showed promising progression-free survival findings, according to topline results.
The pivotal phase 3 inMIND trial (NCT04680052) of tafasitamab-cxix (Monjuvi), a humanized Fc-modified cytolytic CD19-targeting monoclonal antibody in combination with lenalidomide (Revlimid) and rituximab (Rituxan) vs lenalidomide and rituximab alone in patients with relapsed or refractory follicular lymphoma (FL) met its primary end point of progression-free survival (PFS) by investigator assessment.1
The study’s secondary end points of PFS in the overall population by investigator assessment and positron emission tomography-complete response rate (PET-CR) in the FDG-avid FL population were also met. The secondary end point of PFS results by blinded independent review are in line with the reported investigator-based PFS data.
For safety, there were no new safety signals seen with tafasitamab.
“While many patients with follicular lymphoma initially benefit from first-line treatment, relapse of the disease is common, underscoring the need for additional therapies,” said Steven Stein, MD, chief medical officer, Incyte, in a press release. “These results demonstrate the potential of tafasitamab added to the standard of care to be a meaningful new treatment option for patients with FL whose disease has progressed after at least 1 prior therapy.”
In 2020, tafasitamab was granted approval from the FDA in combination with lenalidomide. In 2021, the European Medicines Agency also approved this combination for adult patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) not otherwise specified, including DLBCL arising from low-grade lymphoma. These patients are those who are not eligible for autologous stem cell transplant.
A supplemental biologics license application for tafasitamab is planned to be filed to the FDA by the end of the year for the treatment of patients with FL who have failed 1 or more previous systemic anti-CD20 immunotherapy or chemo-immunotherapy. Full results from the inMIND trial also are expected to be submitted for presentation at an upcoming medical meeting.
inMIND is a global, double-blind, randomized, controlled, phase 3 trial where investigators are evaluating the clinical benefit of lenalidomide and rituximab with or without tafasitamab. A total of 654 patients aged 18 years and older with relapsed or refractory FL deemed grade 1 to 3a or relapsed or refractory nodal, splenic, or extranodal marginal zone lymphoma (MZL) were enrolled.2
Additional eligibility criteria of the trial required patients to be willing and able to receive adequate mandatory prophylaxis and/or therapy for thromboembolic events; have documented relapsed, refractory, or progressive disease after treatment with systemic therapy; and have ECOG performance status of 0 to 2.
Patients who are pregnant or breastfeeding or have any histology other than FL and MZL, clinical evidence of transformed lymphoma, had a prior nonhematologic malignancy, congestive heart failure, hepatitis C positivity, chronic hepatitis B infection or history of human immunodeficiency virus infection, active systemic infection, or central nervous system lymphoma involvement were excluded from the trial. Those who had received systemic antilymphoma and/or investigational therapy within 28 days prior to the start of cycle 1 or had previously used the combination of lenalidomide and rituximab also were excluded.
PFS by investigator assessment in the FL population served as the primary end point of the trial. Key secondary end points include PFS in the overall population, PET-CR, and overall survival in the FL population.
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