Immunotoxin (anti-CD22 PE38)
Moxetumomab pasudotox
Lumoxiti · MOXE
Immunotoxin (anti-CD22 PE38) · approved 2018 · 7 references
An anti-CD22 Pseudomonas-exotoxin immunotoxin with a boxed warning for capillary leak and hemolytic-uremic syndrome.
- Signature injury
- Thrombotic Microangiopathy
- Severity
- Severe
- Reversibility
- Reversible
- Onset
- Cycle-related: CLS within the first days of a cycle; HUS often during/after cycles 2-3.
Signature kidney injury & incidence
Thrombotic Microangiopathy — representative incidence ~7.5%.
Boxed warning for capillary-leak syndrome (CLS) and hemolytic-uremic syndrome (HUS)/TMA. In the pivotal phase 3 trial HUS occurred in ~7.5% and CLS in ~5%; reviews cite roughly 9% each. Fatal CLS has been reported (in a pediatric ALL case).
Source: Kreitman et al., Leukemia 2018
Reported injury signatures: Thrombotic Microangiopathy, Prerenal / Hemodynamic AKI.
Renal toxicity profile
- Thrombotic MicroangiopathyPrimary~7.5%Hemolytic uremic syndrome 7.5% (treatment-related serious AE) in the pivotal relapsed/refractory HCL trial; boxed warning
- Prerenal / Hemodynamic AKISecondaryCapillary leak syndrome 5% causing intravascular volume depletion/hypoperfusion
Onset timing & rechallenge
Variable / unpredictable — Capillary-leak within the first days of a cycle; HUS often during/after cycles 2–3.
Mechanism of kidney injury
Clinical presentation
Management
Risk factors
- Higher cumulative dose/exposure and repeat cycles
- Pre-existing renal impairment (avoid initiating if CrCl <30 mL/min)
- Volume depletion
Prevention
- Adequate IV/oral hydration before and after each infusion
- Do not initiate if CrCl <30 mL/min
- Consider low-dose aspirin thromboprophylaxis per label; antihistamine/antipyretic premedication
Renal dose adjustment
Dialyzability & ESKD dosing
Differential diagnosis
Monitoring
- CBC/platelets and peripheral smear for schistocytes each cycle
- LDH, haptoglobin and bilirubin (hemolysis screen)
- Daily weight, blood pressure, albumin and edema assessment (CLS surveillance)
Key trials & series
- Pivotal phase 3 in relapsed/refractory HCL (Kreitman, Leukemia 2018) — established reversible HUS (~7.5%) and CLS (~5%)
- Phase 1 pediatric ALL study (Wayne, Blood 2017) — dose-dependent CLS and HUS/TMA
Clinical pearls
- Anchor monitoring to hemolysis labs plus creatinine (HUS) and weight/BP/albumin (HUS vs CLS).
- Hydration is the key prevention; do not initiate if CrCl <30 mL/min.
- Do not retreat after HUS — anamnestic HUS classically appears at cycles 2-3.
- Most hairy-cell-leukemia events are reversible, but fatal CLS exists — escalate early.
Anticancer mechanism
Note
Guidelines & consensus
Each recommendation below is this atlas's faithful summary of the source, not a quotation from it — follow the PubMed link for the wording the society published. Summaries may be superseded; consult the current full text and individualize to the patient.
- ADQI (2026) — The nephrotoxic effects of anti-cancer therapies: consensus report of the 34th Acute Disease Quality Initiative workgroupProvides expert-based statements (modified Delphi) on preventing and managing cisplatin/platinum-associated AKI, including isotonic IV hydration, attention to volume status and concomitant nephrotoxins, and incorporates evidence that IV magnesium supplementation may reduce cisplatin-associated AKI; emphasizes risk stratification and standardized AKI definitions.Nat Rev Nephrol · PMID 41361704
- SIRM (2022) — SIRM-SIN-AIOM: appropriateness criteria for evaluation and prevention of renal damage in the patient undergoing contrast medium examinations-consensus statements from Italian College of Radiology (SIRM), Italian College of Nephrology (SIN) and Italian Association of Medical Oncology (AIOM)Recommends eGFR-based renal risk assessment and pre/post-contrast isotonic saline or sodium bicarbonate hydration; advises maintaining a 5-7 day interval between iodinated contrast administration and cisplatin in cancer patients to reduce additive nephrotoxicity.Radiol Med · PMID 35303246
- KDIGO (2020) — KDIGO Controversies Conference on onco-nephrology: understanding kidney impairment and solid-organ malignancies, and managing kidney cancerIdentifies platinum compounds (especially cisplatin) as leading cytotoxic causes of acute tubular injury, AKI, and electrolyte/magnesium wasting; calls for interdisciplinary onco-nephrology care, accurate GFR estimation, and individualized drug dosing in patients with reduced kidney function.Kidney Int · PMID 33126977
- KDIGO (2020) — KDIGO Controversies Conference on onco-nephrology: kidney disease in hematological malignancies and the burden of cancer after kidney transplantationAddresses chemotherapy-associated AKI/CKD in hematologic cancer, GFR estimation and chemotherapy dosing in patients with reduced kidney function, and management priorities and research gaps for onco-nephrology care.Kidney Int · PMID 33276867
- ADDIKD (2025) — Integrating International Consensus Guidelines for Anticancer Drug Dosing in Kidney Dysfunction (ADDIKD) into everyday practiceProvides GRADE-based, drug-specific dose-adjustment recommendations for anticancer agents in kidney dysfunction (illustrated for methotrexate, cisplatin, carboplatin and nivolumab); the recommendations build on Part 1's standardised CKD-EPI eGFR assessment rather than Cockcroft-Gault creatinine clearance.EClinicalMedicine · PMID 40290844
- ADDIKD (2025) — Aligning kidney function assessment in patients with cancer to global practices in internal medicineThree consensus recommendations: assess kidney function by GFR (measured GFR or CKD-EPI eGFR), classify it using KDIGO categories, and use this uniform approach to dose anticancer drugs — moving cancer medicine away from Cockcroft-Gault estimated creatinine clearance.EClinicalMedicine · PMID 40290845
- ADDIKD (2025) — A methodology for determining dosing recommendations for anticancer drugs in patients with reduced kidney functionEstablishes that, where RCT evidence is lacking, anticancer drug dosing recommendations in kidney dysfunction should be derived by critically appraising observational literature via GRADE combined with structured international multidisciplinary consensus voting.EClinicalMedicine · PMID 40290846
- KDIGO (2013) — Diagnosis, evaluation, and management of acute kidney injury: a KDIGO summary (Part 1)Defines/stages AKI by serum creatinine and urine output; emphasizes avoiding nephrotoxins, maintaining euvolemia/perfusion, dose-adjusting drugs to kidney function, and monitoring high-risk patients — the framework applied to nephrotoxic anti-cancer agents.Crit Care · PMID 23394211
- KDIGO (2024) — Executive summary of the KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease: known knowns and known unknownsEvaluate and risk-stratify CKD, manage to delay progression and its complications, and practise explicit medication management and drug stewardship — the framework the atlas's G1–G5 eGFR banding and every renal dose-adjustment recommendation sit inside. Because the guideline excludes dialysis and transplant recipients by its own statement of scope, its recommendations do not carry to those settings, where this atlas's dialyzability and post-transplant guidance rests on other sources.Kidney Int · PMID 38519239
- KDIGO (2021) — Executive summary of the KDIGO 2021 Guideline for the Management of Glomerular DiseasesProvides the staging/treatment framework for drug-associated glomerular lesions (e.g., bisphosphonate- and interferon-related collapsing FSGS, VEGF-inhibitor podocytopathy/proteinuria), including immunosuppression and supportive RAAS-blockade strategies.Kidney Int · PMID 34556300
- KDIGO (2024) — Executive summary of the KDIGO 2024 Clinical Practice Guideline for the Management of ANCA-Associated VasculitisUpdates immunosuppressive induction (rituximab/cyclophosphamide), incorporates avacopan and lower-dose or glucocorticoid-sparing regimens — the management framework for drug- and checkpoint-inhibitor-associated ANCA/pauci-immune glomerulonephritis.Kidney Int · PMID 38388147
- KDIGO (2024) — Executive summary of the KDIGO 2024 Clinical Practice Guideline for the Management of Lupus NephritisUpdates first-line lupus nephritis therapy to combination immunosuppression with the addition of belimumab or a calcineurin inhibitor (voclosporin) — informs management of immune-complex/lupus-like glomerulonephritis encountered with immunotherapy.Kidney Int · PMID 38182299
- KDIGO (2025) — Executive summary of the KDIGO 2025 Clinical Practice Guideline for the Management of Immunoglobulin A Nephropathy (IgAN) and Immunoglobulin A Vasculitis (IgAV)Encourages liberal kidney biopsy and stricter proteinuria control (<0.5 g/d, ideally <0.3 g/d) with RAAS blockers, SGLT2 inhibitors, and targeted-release budesonide — the framework for IgA-dominant glomerular lesions, including those triggered by immune-modulating cancer therapy.Kidney Int · PMID 40975525
References
7 peer-reviewed references. Citation metadata via PubMed / NLM.
- 1.Moxetumomab pasudotox in relapsed/refractory hairy cell leukemia.Kreitman RJ et al. · Leukemia · 2018 · PMID 30030507
- 2.BL22 and lymphoid malignancies.Kreitman RJ et al. · Best Pract Res Clin Haematol · 2006 · PMID 16997177
- 3.Moxetumomab pasudotox for hairy cell leukemia: preclinical development to FDA approval.Lin AY et al. · Blood Adv · 2019 · PMID 31594764
- 4.Collateral Damages by Magic Bullets: Hemolytic Uremic and Capillary Leak Syndromes After Moxetumomab Pasudotox Therapy.Lien YH et al. · Am J Med · 2019 · PMID 31233704
- 5.Fatal capillary leak syndrome in a child with acute lymphoblastic leukemia treated with moxetumomab pasudotox for pre-transplant minimal residual disease reduction.Shah NN et al. · Pediatr Blood Cancer · 2020 · PMID 32959985
- 6.Phase 1 study of the anti-CD22 immunotoxin moxetumomab pasudotox for childhood acute lymphoblastic leukemia.Wayne AS et al. · Blood · 2017 · PMID 28983018
- 7.Anticancer Drug-Induced Acute Kidney Injury.Izzedine H et al. · Kidney Int Rep · 2017 · PMID 29318217
Case reports & series (1)
The weakest rung of clinical evidence — single-patient and small-series reports, strongest first. Each carries a heuristic strength grade (A Strong / B Moderate / C Limited) inferred from its abstract and journal, not a formal appraisal. Weigh well below the primary references above.
- C1.[B · Moderate]Class II human leucocyte antigen DRB1*11 in hairy cell leukaemia patients with and without haemolytic uraemic syndrome.Arons E et al. · Br J Haematol · 2014 · PMID 24931452