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EGFR TKI

Erlotinib

Tarceva · ERL

EGFR TKI · approved 2004 · 7 references

An oral EGFR TKI rarely linked to minimal-change-type glomerular disease, AKI, and dehydration from GI toxicity.

Signature injury
Glomerular Injury / Proteinuria
Severity
Mild
Reversibility
Reversible
Onset
Weeks to months after starting therapy; proteinuria/creatinine typically improve over weeks after discontinuation in reported cases.

Signature kidney injury & incidence

Glomerular Injury / Proteinuria — representative incidence ~3%.

Glomerular disease (including minimal-change-type nephrotic syndrome) and acute kidney injury are reported rarely, at the case level; pharmacovigilance data show measurable disproportionality signals for AKI/renal failure (and rare TMA) but no robust trial-based incidence. Reported rate: proteinuria in 3% — Erlotinib-MONOTHERAPY comparator arm of 4 randomized controlled trials in EGFR-mutation-positive advanced NSCLC (Deng 2022, PMID 35985780).

Source: Deng et al., BMJ Open 2022

Reported injury signatures: Glomerular Injury / Proteinuria, Acute Tubular Necrosis, Prerenal / Hemodynamic AKI, Thrombotic Microangiopathy.

Renal toxicity profile

  1. Glomerular Injury / ProteinuriaPrimary
  2. Acute Tubular NecrosisSecondary
  3. Prerenal / Hemodynamic AKISecondary
  4. Thrombotic MicroangiopathySecondary

Onset timing & rechallenge

Subacute (~1–6 weeks) — Weeks to months after starting; proteinuria/creatinine typically improve over weeks after discontinuation.

Mechanism of kidney injury

Proposed mechanisms relate to EGFR signaling in podocytes and tubular cells. Case reports describe nephrotic-range proteinuria with minimal-change/minor glomerular abnormalities (podocyte foot-process effacement on a near-normal light-microscopic background) that remit on drug withdrawal, suggesting a drug-associated podocytopathy; acute tubular injury/AKI is also described, frequently compounded by volume depletion from EGFR-TKI-associated diarrhea and anorexia, and rare thrombotic microangiopathy has been signaled.

Clinical presentation

Proteinuria (occasionally nephrotic-range with edema and hypoalbuminemia) and/or a rising creatinine. Diarrhea, mucositis, and reduced intake commonly contribute a prerenal/ischemic component with concentrated urine and low urine output.

Management

Evaluate proteinuria and renal function and consider biopsy for nephrotic syndrome or unexplained AKI; for significant nephrotic syndrome or AKI, hold or discontinue erlotinib, which often leads to remission. Provide supportive care, volume repletion, and RAAS blockade for proteinuria as appropriate.

Risk factors

  • Pre-existing chronic kidney disease
  • Volume depletion from EGFR-TKI-associated diarrhea/anorexia
  • Concurrent nephrotoxins

Prevention

  • Aggressive management of diarrhea and maintenance of hydration

Renal dose adjustment

No specific dose reduction is established for renal impairment (erlotinib is hepatically metabolized via CYP3A4/1A2 and biliary-excreted); use caution in severe impairment as renal data are sparse, and manage GI-driven volume depletion proactively. The pancreatic-cancer regimen pairs it with gemcitabine, which has its own renal considerations.

Dialyzability & ESKD dosing

Not appreciably dialyzable—highly protein-bound (~93%), lipophilic, with predominantly hepatic clearance and minimal renal elimination; hemodialysis is not expected to remove meaningful drug.

Differential diagnosis

Distinguish drug-associated podocytopathy/minimal-change disease (abrupt nephrotic syndrome remitting on withdrawal) from paraneoplastic glomerulopathy of the underlying cancer, and separate true intrinsic AKI from prerenal azotemia caused by diarrhea/anorexia (low urine sodium, responds to volume). Consider rare erlotinib-associated TMA when AKI is accompanied by hemolysis and thrombocytopenia.

Monitoring

  • Urinalysis/urine protein at baseline and periodically
  • Serum creatinine/eGFR each cycle, more often during diarrhea
  • Volume status and electrolytes during GI toxicity

Key trials & series

  • Moore JCO 2007 erlotinib-gemcitabine pancreatic registration trial
  • Maruyama Intern Med 2015 EGFR-TKI minimal-change nephrotic case
  • Crosnier Cancers 2021 VigiBase EGFR renal-safety pharmacovigilance

Clinical pearls

  • Most erlotinib 'renal' events are prerenal from diarrhea/anorexia—rehydrate before assuming intrinsic injury.
  • True nephrotic syndrome is a rare minimal-change-type podocytopathy that usually remits when the drug is stopped.

Anticancer mechanism

Reversible, ATP-competitive EGFR tyrosine kinase inhibitor that blocks EGFR autophosphorylation and downstream RAS/MAPK and PI3K/AKT proliferative signaling. Used in EGFR-mutant non-small cell lung cancer and (with gemcitabine) advanced pancreatic cancer.

Note

Renal toxicity is uncommon and largely case-based; a published case of gefitinib-associated minimal-change nephrotic syndrome was successfully switched to erlotinib without recurrence, underscoring that severe glomerular events are idiosyncratic rather than uniform across EGFR TKIs.

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. 1.Erlotinib plus bevacizumab versus erlotinib alone in patients with EGFR-positive advanced non-small-cell lung cancer: a systematic review and meta-analysis of randomised controlled trials.Deng W et al. · BMJ Open · 2022 · PMID 35985780
  2. 2.Minimal change nephrotic syndrome associated with gefitinib and a successful switch to erlotinib.Maruyama K et al. · Intern Med · 2015 · PMID 25832950
  3. 3.Erlotinib plus gemcitabine compared with gemcitabine alone in patients with advanced pancreatic cancer: a phase III trial of the National Cancer Institute of Canada Clinical Trials Group.Moore MJ et al. · J Clin Oncol · 2007 · PMID 17452677
  4. 4.Renal Safety Profile of EGFR Targeted Therapies: A Study from VigiBase, the WHO Global Database of Individual Case Safety Reports.Crosnier A et al. · Cancers (Basel) · 2021 · PMID 34885014
  5. 5.Renal toxicity of anticancer agents targeting HER2 and EGFR.Cosmai L et al. · J Nephrol · 2015 · PMID 26341657
  6. 6.New drug toxicities in the onco-nephrology world.Perazella MA · Kidney Int · 2015 · PMID 25671763
  7. 7.Onconephrology: mitigation of renal injury in chemotherapy administration.Selamet U et al. · Curr Opin Nephrol Hypertens · 2024 · PMID 38095483

Case reports & series (2)

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.

  1. C1.[B · Moderate]Tubulointerstitial nephritis associated with erlotinib therapy for lung cancer.Cho SL et al. · Nephrology (Carlton) · 2020 · PMID 32364270
  2. C2.[B · Moderate]Renal-limited ANCA-associated vasculitis during erlotinib treatment for lung carcinoma.Oki R et al. · CEN Case Rep · 2022 · PMID 34309804
Educational monograph from NephTox (nephtox.com). Not medical advice — verify against current guidelines before any clinical decision.