Evidence map›Paper›PMID 39798981›Full record

ArticleLancet (London, England)2025

Induced pluripotent stem-cell-derived CD19-directed chimeric antigen receptor natural killer cells in B-cell lymphoma: a phase 1, first-in-human trial.

Armin Ghobadi, Veronika Bachanova, Krish Patel, Jae H Park, Ian Flinn, Peter A Riedell, Carlos Bachier, Catherine S Diefenbach, Carol Wong, Cara Bickers and 7 more

Abstract readClinical Trial, Phase IMulticenter Study
In one paragraph

Article in Lancet (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

88 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  18. Neurological complications of current and emerging CAR-T cell therapies.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
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28 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

17 authors.

Armin GhobadiWashington University School of Medicine, Saint Louis, MO, USA. Electronic address: arminghobadi@wustl.edu.
Veronika BachanovaMasonic Cancer Center, University of Minnesota, Minneapolis, MN, USA.
Krish PatelSwedish Cancer Institute, Seattle, WA, USA.
Jae H ParkMemorial Sloan Kettering Cancer Center, New York, NY, USA.
Ian FlinnTennessee Oncology/OneOncology, Nashville, TN, USA.
Peter A RiedellDavid and Etta Jonas Center for Cellular Therapy, University of Chicago, Chicago, IL, USA.
Carlos BachierSarah Cannon Center for Blood Cancer, San Antonio, TX, USA.
Catherine S DiefenbachNew York University Langone Health, Perlmutter Cancer Center, New York, NY, USA.
Carol WongFate Therapeutics, San Diego, CA, USA.
Cara BickersFate Therapeutics, San Diego, CA, USA.
Lilly WongFate Therapeutics, San Diego, CA, USA.
Deepa PatelFate Therapeutics, San Diego, CA, USA.
Jode GoodridgeFate Therapeutics, San Diego, CA, USA.
Matthew DenholtFate Therapeutics, San Diego, CA, USA.
Bahram ValamehrFate Therapeutics, San Diego, CA, USA.
Rebecca L ElstromFate Therapeutics, San Diego, CA, USA.
Paolo StratiThe University of Texas MD Anderson Cancer Center, Houston, TX, USA.

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI SELWYN M VICKERS · 1985 to 2026
$347.4M
Therapeutic Potential of Adaptive NK Cells in Cancer and TransplantationP01CA111412 · NCI · UNIVERSITY OF MINNESOTA TWIN CITIES · PI MILLER, JEFFREY S. · 2005 to 2025
$38.2M
Targeting off-the-shelf iPSC-derived natural killer cells against solid tumorsR35CA283892 · NCI · UNIVERSITY OF MINNESOTA · PI Jeffrey S. Miller · 2023 to 2026
$3.7M
NCI NIH HHS P01 CA111412NCI NIH HHS P30 CA008748NCI NIH HHS R35 CA283892
6 · The paper itself

Abstract

backgroundFT596 is an induced pluripotent stem-cell (iPSC)-derived chimeric antigen receptor (CAR) natural killer (NK) cell therapy with three antitumour modalities: a CD19 CAR; a high-affinity, non-cleavable CD16 Fc receptor; and interleukin-15-interleukin-15 receptor fusion. In this study, we aimed to determine the recommended phase 2 dose (RP2D) and evaluate the safety and tolerability of FT596 as monotherapy and in combination with rituximab. We also aimed to evaluate the antitumour activity and characterise the pharmacokinetics of FT596 as monotherapy and in combination with rituximab.

methodsIn this phase 1, first-in-human trial, we evaluated FT596 in patients with relapsed or refractory B-cell lymphoma at nine sites in the USA. Patients who had received at least one previous systemic therapy and had no curative treatment options were eligible for inclusion. FT596 was administered after conditioning chemotherapy without rituximab (regimen A) or combined with rituximab (regimen B). The study consisted of a dose-escalation phase using a 3 + 3 design, with dose escalation commencing at 3 × 10

findingsBetween March 19, 2020, and Jan 12, 2023, 86 patients with B-cell lymphoma received FT596 on regimen A (n=18) or regimen B (n=68). 22 (26%) of 86 patients were female and 72 (84%) of 86 patients were White. Patients had received a median of four previous lines of therapy (range 1-11) and 33 (38%) of 86 patients had received previous CAR T-cell therapy. The maximum tolerated dose was not reached. Cytokine release syndrome was reported in one (6%) of 18 patients (maximum grade 1) on regimen A and nine (13%) of 68 patients on regimen B (six with maximum grade 1 and three with grade 2). Neurotoxicity was not observed.

interpretationFT596 was well tolerated as monotherapy or with rituximab and induced deep and durable responses in patients with indolent and aggressive lymphomas and the RP2D was preliminarily identified to be 1·8 × 10

fundingFate Therapeutics.

Indexed as

Antigens, CD19Killer Cells, NaturalLymphoma, B-CellReceptors, Chimeric AntigenRituximabAdultAgedAntineoplastic Combined Chemotherapy ProtocolsFemaleHumansImmunotherapy, AdoptiveMaleMiddle AgedVidarabineAntigens, CD19fludarabineReceptors, Chimeric AntigenRituximabVidarabine

Identifiers

PMID39798981
PMCPMC11827677

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.