IDH1 inhibitor
Ivosidenib
Tibsovo · Ivo
IDH1 inhibitor · approved 2018 · 6 references
An IDH1 inhibitor whose kidney risk is indirect — differentiation syndrome and tumor lysis driving AKI.
- Signature injury
- Prerenal / Hemodynamic AKI
- Severity
- Moderate
- Reversibility
- Variable
- Onset
- Differentiation syndrome typically days to weeks after starting therapy (median ~30 days); tumor lysis early during cytoreduction.
Signature kidney injury & incidence
Prerenal / Hemodynamic AKI.
Differentiation (IDH) syndrome is a recognized, potentially fatal complication — reported in roughly 10-19% of AML patients across IDH-inhibitor experience (e.g. ~10.4-11.7% with the IDH2 inhibitor enasidenib in pooled/phase 1-2 analyses) — and can drive AKI through capillary leak, fluid overload, hypotension, and inflammation; tumor lysis can also occur with cytoreduction.
Source: DiNardo et al., N Engl J Med 2018
Reported injury signatures: Prerenal / Hemodynamic AKI, Electrolyte Disturbance, Acute Tubular Necrosis.
Renal toxicity profile
- Prerenal / Hemodynamic AKIPrimaryIDH1-inhibitor differentiation syndrome (capillary leak, fluid overload -> prerenal/hemodynamic AKI) occurred as a grade >=3 treatment-related event in 3.9% of relapsed/refractory AML patients on ivosidenib.
- Electrolyte DisturbanceSecondary
- Acute Tubular NecrosisRare
Onset timing & rechallenge
Subacute (~1–6 weeks) — Tumor lysis is early during cytoreduction; differentiation syndrome runs days to weeks (median ~30 days).
Mechanism of kidney injury
Clinical presentation
Management
Risk factors
- High leukemic/blast burden and high LDH
- Rapid response/cytoreduction
- Baseline renal impairment
- Volume-overload states
Prevention
- Vigilance for differentiation syndrome from the first weeks
- TLS prophylaxis (IV hydration, urate-lowering therapy)
Renal dose adjustment
Dialyzability & ESKD dosing
Differential diagnosis
Monitoring
- Daily clinical assessment for differentiation syndrome (dyspnea, edema, weight, oxygenation, WBC) during the first weeks
- Electrolytes, uric acid, phosphate, calcium, and creatinine for tumor lysis during cytoreduction
- ECG/QTc (QT prolongation is a recognized class effect)
Key trials & series
- AG120-C-001 (registrational ivosidenib in relapsed/refractory IDH1-mutant AML — DiNardo NEJM 2018)
- Roboz 2020 frontline IDH1-mutant AML cohort
- Fathi 2018 / Montesinos 2024 IDH-inhibitor differentiation-syndrome analyses (enasidenib, class-informative)
Clinical pearls
- The kidney is an innocent bystander: AKI here is driven by differentiation syndrome and tumor lysis, not direct tubular toxicity.
- Start corticosteroids early and do not necessarily stop the drug — most differentiation syndrome is managed without permanent discontinuation.
- Layer TLS prophylaxis (hydration plus urate-lowering) at initiation in high-burden disease, and watch for the two syndromes overlapping.
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
6 peer-reviewed references. Citation metadata via PubMed / NLM.
- 1.Durable Remissions with Ivosidenib in IDH1-Mutated Relapsed or Refractory AML.DiNardo CD et al. · N Engl J Med · 2018 · PMID 29860938
- 2.Ivosidenib induces deep durable remissions in patients with newly diagnosed IDH1-mutant acute myeloid leukemia.Roboz GJ et al. · Blood · 2020 · PMID 31841594
- 3.Differentiation syndrome with lower-intensity treatments for acute myeloid leukemia.Fathi AT et al. · Am J Hematol · 2021 · PMID 33625753
- 4.Differentiation Syndrome Associated With Enasidenib, a Selective Inhibitor of Mutant Isocitrate Dehydrogenase 2: Analysis of a Phase 1/2 Study.Fathi AT et al. · JAMA Oncol · 2018 · PMID 29346478
- 5.Differentiation syndrome associated with treatment with IDH2 inhibitor enasidenib: pooled analysis from clinical trials.Montesinos P et al. · Blood Adv · 2024 · PMID 38507688
- 6.Ivosidenib in IDH1-mutant, chemotherapy-refractory cholangiocarcinoma (ClarIDHy): a multicentre, randomised, double-blind, placebo-controlled, phase 3 study.Abou-Alfa GK et al. · Lancet Oncol · 2020 · PMID 32416072