Treatment of Established Laboratory or Clinical Tumour Lysis Syndrome
This protocol covers the active treatment of patients — both adult and paediatric — in whom tumour lysis syndrome has already been confirmed, either as laboratory TLS (metabolic abnormalities meeting diagnostic criteria) or as clinical TLS (end-organ consequences already present).
Clinical Scenario
The patient has established laboratory or clinical tumour lysis syndrome. This is a confirmed, active diagnosis requiring immediate intervention beyond prophylactic measures.
Primary Treatment Goal
Maintain a urine output of 100 mL/m²/h in adults to support metabolic clearance and protect end-organ function.
Treatment Overview (partial)
Management begins with vigorous intravenous fluid replacement titrated to urine output, combined with a specific pharmacological strategy to address hyperuricaemia. Additional targeted interventions are required for the electrolyte disturbances associated with established TLS …
References
- Adult and paediatric patients with established TLS (laboratory or clinical TLS) should be treated with rasburicase 0.2 mg/kg/day for up to 7 days (although 3–5 days is frequently sufficient) with the exact duration based upon clinical response (1B).
- Vigorous hydration with intravenous fluid is an essential component of TLS treatment.
- For adults, a rate of 3 L/m² should be initiated and the ongoing rate adjusted to maintain a urine output of 100 mL/m²/h.
- In children, a rate of up to 4 L/m² can be given, depending on renal function, clinical and fluid status.
- The aim is to maintain a urine output of 100 mL/m²/h in adults (1B).
DOI: 10.1111/bjh.70092
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