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NCT04680052 · OUTCOME

Overall Population: DOR (the Time From the First Tumor Response [CR or PR as Per the Lugano 2014 Classification] Until the Time of the First Documented PD or Death From Any Cause, Whichever Was Earlier) by IRC Review

A Phase 3 Study to Assess Efficacy and Safety of Tafasitamab Plus Lenalidomide and Rituximab Compared to Placebo Plus Lenalidomide and Rituximab in Patients With Relapsed/Refractory (R/R) Follicular Lymphoma or Marginal Zone Lymphoma. · Source last updated 2026-09-04

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
MEDIAN
Unit
months
Interval / dispersion
95% Confidence Interval
Time frame
up to approximately 34 months

What was measured

PET, CR: (1) score of 1 (no uptake above background), 2 (uptake ≤ mediastinum), or 3 (uptake \> mediastinum but ≤ liver) with/without a residual mass for lymph nodes and extralymphatic sites (LN/ELS); (2) no evidence of FDG-avid disease in bone marrow; (3) no new lesions. PR: (1) score of 4 (uptake moderately \> liver) or 5 (uptake markedly higher than liver and/or new lesions) with reduced uptake compared with Baseline and residual mass(es) of any size for LN/ELS; (2) residual uptake higher than in normal bone marrow but reduced from Baseline; (3) no new lesions. CT, CR: (1) target nodes/nodal masses regressed to ≤1.5 cm in LDi. no extra lymphatic site of disease; (2) absent nontarget lesions; (3) liver/spleen regressed to normal; (4) bone marrow normal by morphology; (5) no new lesions. PR: (1) ≥50% decrease in SPD of up to 6 target measurable nodes and extranodal sites; (2) no increase in target lesions; (3) spleen regressed by \>50% in length beyond normal; (4) no new lesions.

Analysis population: Overall Full Analysis Set. As pre-specified in the Statistical Analysis Plan, the MZL population was considered as a subpopulation of interest, not a main analysis population. The FL and MZL populations were combined for analysis into the Overall population, which was a main analysis population. The 2-sided 95% confidence intervals were calculated using the method of Brookmeyer and Crowley with log-log transformation. Only participants who achieved an objective response (CR or PR) were analyzed.

Groups in this outcome

FL and MZL: Tafasitamab + Rituximab + Lenalidomide

Participants with FL and MZL were randomized to receive tafasitamab 12 mg/kg IV, administered on Days 1, 8, 15, and 22 of Cycles 1 to 3 and on Days 1 and 15 of Cycles 4 to 12. Participants also received oral lenalidomide (including generics) 20 mg QD, administered at approximately the same time every day on Days 1 to 21 of Cycles 1 to 12, and rituximab (including biosimilars) 375 mg/m\^2 IV, administered on Days 1, 8, 15, and 22 of Cycle 1 and on Day 1 of Cycles 2 to 5. A treatment cycle was defined as 28 calendar days.

FL and MZL: Placebo + Rituximab + Lenalidomide

Participants with FL and MZL were randomized to receive placebo 0.9% saline solution IV, administered on Days 1, 8, 15, and 22 of Cycles 1 to 3 and on Days 1 and 15 of Cycles 4 to 12. Participants also received oral lenalidomide (including generics) 20 mg QD, administered at approximately the same time every day on Days 1 to 21 of Cycles 1 to 12, and rituximab (including biosimilars) 375 mg/m\^2 IV, administered on Days 1, 8, 15, and 22 of Cycle 1 and on Day 1 of Cycles 2 to 5. A treatment cycle was defined as 28 calendar days.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
FL and MZL: Tafasitamab + Rituximab + Lenalidomide273
FL and MZL: Placebo + Rituximab + Lenalidomide238

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
FL and MZL: Tafasitamab + Rituximab + LenalidomideNANot reported19.52NAThe median and the upper limit of the confidence interval were not estimable because too few participants had disease progression or died.
FL and MZL: Placebo + Rituximab + Lenalidomide18.83Not reported16.89NAThe upper limit of the confidence interval was not estimable because too few participants had disease progression or died.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        The median and the upper limit of the confidence interval were not estimable because too few participants had disease progression or died.
        group Id
        OG000
        lower Limit
        19.52
        upper Limit
        NA
        value
        NA
      2. comment
        The upper limit of the confidence interval was not estimable because too few participants had disease progression or died.
        group Id
        OG001
        lower Limit
        16.89
        upper Limit
        NA
        value
        18.83
denoms
  1. counts
    1. group Id
      OG000
      value
      273
    2. group Id
      OG001
      value
      238
    units
    Participants
description
PET, CR: (1) score of 1 (no uptake above background), 2 (uptake ≤ mediastinum), or 3 (uptake \> mediastinum but ≤ liver) with/without a residual mass for lymph nodes and extralymphatic sites (LN/ELS); (2) no evidence of FDG-avid disease in bone marrow; (3) no new lesions. PR: (1) score of 4 (uptake moderately \> liver) or 5 (uptake markedly higher than liver and/or new lesions) with reduced uptake compared with Baseline and residual mass(es) of any size for LN/ELS; (2) residual uptake higher than in normal bone marrow but reduced from Baseline; (3) no new lesions. CT, CR: (1) target nodes/nodal masses regressed to ≤1.5 cm in LDi. no extra lymphatic site of disease; (2) absent nontarget lesions; (3) liver/spleen regressed to normal; (4) bone marrow normal by morphology; (5) no new lesions. PR: (1) ≥50% decrease in SPD of up to 6 target measurable nodes and extranodal sites; (2) no increase in target lesions; (3) spleen regressed by \>50% in length beyond normal; (4) no new lesions.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with FL and MZL were randomized to receive tafasitamab 12 mg/kg IV, administered on Days 1, 8, 15, and 22 of Cycles 1 to 3 and on Days 1 and 15 of Cycles 4 to 12. Participants also received oral lenalidomide (including generics) 20 mg QD, administered at approximately the same time every day on Days 1 to 21 of Cycles 1 to 12, and rituximab (including biosimilars) 375 mg/m\^2 IV, administered on Days 1, 8, 15, and 22 of Cycle 1 and on Day 1 of Cycles 2 to 5. A treatment cycle was defined as 28 calendar days.
    id
    OG000
    title
    FL and MZL: Tafasitamab + Rituximab + Lenalidomide
  2. description
    Participants with FL and MZL were randomized to receive placebo 0.9% saline solution IV, administered on Days 1, 8, 15, and 22 of Cycles 1 to 3 and on Days 1 and 15 of Cycles 4 to 12. Participants also received oral lenalidomide (including generics) 20 mg QD, administered at approximately the same time every day on Days 1 to 21 of Cycles 1 to 12, and rituximab (including biosimilars) 375 mg/m\^2 IV, administered on Days 1, 8, 15, and 22 of Cycle 1 and on Day 1 of Cycles 2 to 5. A treatment cycle was defined as 28 calendar days.
    id
    OG001
    title
    FL and MZL: Placebo + Rituximab + Lenalidomide
param Type
MEDIAN
population Description
Overall Full Analysis Set. As pre-specified in the Statistical Analysis Plan, the MZL population was considered as a subpopulation of interest, not a main analysis population. The FL and MZL populations were combined for analysis into the Overall population, which was a main analysis population. The 2-sided 95% confidence intervals were calculated using the method of Brookmeyer and Crowley with log-log transformation. Only participants who achieved an objective response (CR or PR) were analyzed.
reporting Status
POSTED
time Frame
up to approximately 34 months
title
Overall Population: DOR (the Time From the First Tumor Response [CR or PR as Per the Lugano 2014 Classification] Until the Time of the First Documented PD or Death From Any Cause, Whichever Was Earlier) by IRC Review
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice