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Moxetumomab pasudotox

An immunotoxin for hairy cell leukaemia that produced lasting remissions in relapsed patients but was withdrawn from sale in 2023 for commercial reasons.

Pivotal study (Kreitman, Leukemia 2018): 41% complete remission (30% durable) in multiply relapsed HCL. Capillary leak and haemolytic uraemic syndrome were the key toxicities. AstraZeneca withdrew it from the US market in 2023 (low use); a compassionate supply continued via the NIH.

Schematic of the modality · Anti-CD22 immunotoxin (Pseudomonas exotoxin A fragment) · not a molecule; see the Antibody-drug conjugate (ADC) page
How it works, step by step · animated schematic, not to scale
Antibody-drug conjugate (ADC)
Modality
Anti-CD22 immunotoxin (Pseudomonas exotoxin A fragment)
Mechanism
Recombinant anti-CD22 Fv fused to truncated Pseudomonas exotoxin PE38; internalised and inhibits protein synthesis via ADP-ribosylation of EF-2.
Brand / code
Lumoxiti

Regulatory

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Approvals

RegionYearIndication
US2018Relapsed/refractory hairy cell leukaemia after ≥2 systemic therapies including a purine analogueWithdrawn from market 2023

Trials

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ClinicalTrials.gov · phase 2/3
refreshed 2026-09-09
4 studies0 recruiting3 Phase 21 Phase 3
Search “Moxetumomab pasudotox” on ClinicalTrials.gov →
Counts are from a name search and may include unrelated studies; up to 100 studies are summarised.

Recruiting now (live from ClinicalTrials.gov)

Recruiting trials near you · live from ClinicalTrials.gov
Moxetumomab pasudotox
intervention: Moxetumomab pasudotox
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Latest papers

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Latest papers · live from Europe PMC
Open in Europe PMC

Query for this drug: (TITLE:"Moxetumomab pasudotox" OR ABSTRACT:"Moxetumomab pasudotox" OR TITLE:"Lumoxiti" OR ABSTRACT:"Lumoxiti") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Moxetumomab pasudotox, not a curated reading list.

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