Skip to content
Back to full profile

Antitumor antibiotic

Dactinomycin (actinomycin D)

Cosmegen · DACT

Antitumor antibiotic · approved 1964 · 4 references

Actinomycin antibiotic whose renal risk is indirect: tumor lysis in chemosensitive pediatric tumors, with hepatic veno-occlusive disease as the signature organ toxicity.

Signature injury
Electrolyte Disturbance
Severity
Moderate
Reversibility
Reversible
Onset
TLS within hours to days of initiating effective chemotherapy; VOD typically within the first weeks of treatment.

Signature kidney injury & incidence

Electrolyte Disturbance.

Direct nephrotoxicity is not an established feature of dactinomycin. The clinically relevant renal risk is tumor lysis syndrome (TLS) when used against bulky, chemosensitive pediatric tumors; precise incidence attributable to dactinomycin alone is not quantified, as it is given in multi-agent regimens.

Source: Carmichael et al., case report 2013 (TLS); not quantified as a single agent

Reported injury signatures: Electrolyte Disturbance, Prerenal / Hemodynamic AKI, Crystal / Obstructive Nephropathy.

Renal toxicity profile

  1. Electrolyte DisturbancePrimary
  2. Prerenal / Hemodynamic AKISecondary
  3. Crystal / Obstructive NephropathySecondary

Onset timing & rechallenge

Acute (~1–7 days) — Tumor-lysis AKI within hours to days of starting effective chemotherapy.

Mechanism of kidney injury

No characteristic direct tubular or glomerular toxin. Renal involvement is secondary: rapid lysis of treatment-sensitive tumor cells releases uric acid, potassium and phosphate, producing uric-acid and calcium-phosphate intratubular precipitation and AKI; volume depletion from chemotherapy-associated nausea/vomiting can add a prerenal component. The classic dactinomycin organ toxicity is hepatic sinusoidal obstruction syndrome (veno-occlusive disease), not nephrotoxicity.

Clinical presentation

When TLS occurs, hyperuricemia, hyperkalemia, hyperphosphatemia, hypocalcemia and rising creatinine within days of starting therapy in a child with a large tumor burden. Hepatic VOD presents separately with painful hepatomegaly, weight gain, ascites and thrombocytopenia and can secondarily threaten renal perfusion.

Management

Manage TLS with hydration, uric-acid lowering (allopurinol/rasburicase), correction of electrolytes, and renal replacement therapy if refractory. VOD is managed supportively with attention to preserving renal and respiratory function; consider defibrotide in severe hepatic VOD. There is no dactinomycin-specific tubular antidote.

Risk factors

  • Bulky or rapidly proliferating chemosensitive tumor (e.g., advanced Wilms tumor)
  • Pre-existing volume depletion or reduced kidney function
  • Young age and right-sided/large unilateral renal tumors (VOD risk)
  • Inadequate hydration or uric-acid prophylaxis

Prevention

  • Risk-stratify for TLS before cytoreductive therapy
  • Aggressive IV hydration
  • Allopurinol or rasburicase per TLS risk

Renal dose adjustment

No well-established renal dose-adjustment scheme; dactinomycin is largely excreted in bile/feces with minor renal elimination. Dose modification is generally driven by hepatic toxicity and myelosuppression rather than kidney function.

Dialyzability & ESKD dosing

Not meaningfully dialyzable; high tissue binding and predominantly biliary/fecal elimination. Dialysis is used only for TLS-related metabolic derangements, not drug removal.

Differential diagnosis

Distinguish TLS-related AKI from prerenal AKI due to vomiting/poor intake, from obstructive uropathy by tumor mass, and from VOD-associated hepatorenal physiology. Direct dactinomycin tubular toxicity is a diagnosis of exclusion and is not well supported.

Monitoring

  • Serum creatinine and electrolytes (K, phosphate, calcium, uric acid) during cytoreduction
  • Liver function tests, weight and abdominal exam for VOD

Key trials & series

  • NWTS/COG and SIOP Wilms tumor protocols establishing vincristine/dactinomycin-based regimens (regimen-level evidence; renal events reported as TLS and VOD in associated literature)

Clinical pearls

  • Think electrolytes and tumor lysis, not direct tubular toxicity, when a child on dactinomycin develops AKI.

Anticancer mechanism

Chromopeptide antitumor antibiotic that intercalates into double-stranded DNA at GC-rich sequences, blocking RNA polymerase-dependent transcription and, at higher concentrations, DNA synthesis, leading to apoptosis.

Note

The single-kidney state common in Wilms tumor survivors (post-nephrectomy) heightens the importance of nephron preservation, making any superimposed insult clinically significant.

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

4 peer-reviewed references. Citation metadata via PubMed / NLM.

  1. 1.Hepatic veno-occlusive disease in Wilms' tumor.Kullendorff CM et al. · Eur J Pediatr Surg · 1996 · PMID 9007466
  2. 2.Delayed tumor resection in a 5-year-old child with bilateral Wilms tumor.Carmichael SP et al. · J Surg Case Rep · 2013 · PMID 24964423
  3. 3.The tumor lysis syndrome.Howard SC et al. · N Engl J Med · 2011 · PMID 21561350
  4. 4.Acute Kidney Injury in Patients with Cancer.Rosner MH et al. · N Engl J Med · 2017 · PMID 28467867
Educational monograph from NephTox (nephtox.com). Not medical advice — verify against current guidelines before any clinical decision.