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haematology oncology infectious-disease

CISNE Score for Febrile Neutropenia

Clinical Index of Stable Febrile Neutropenia (CISNE). Predicts serious complications in adults with solid tumours and seemingly stable febrile neutropenia (no organ dysfunction, abnormal vital signs or major infection). Validated in solid tumours only.

Score interpretation

CISNE 0 — Low Risk (~1% Complications)

→ CISNE 0: Very low complication risk (~1%). Outpatient oral antibiotic therapy appropriate for selected, clinically stable patients: oral ciprofloxacin + co-amoxiclav; strict return criteria; review in 24 hours. Only if adequately supervised.

CISNE 1–2 — Intermediate Risk (~6%)

→ CISNE 1–2: ~6% risk of serious complications. Hospital admission recommended; IV antibiotics (piperacillin-tazobactam or meropenem if high-risk pathogen); daily review; microbiological investigations.

CISNE ≥3 — High Risk (~32–36% Complications)

→ CISNE ≥3: ~32–36% risk of serious complications. Inpatient IV antibiotic therapy mandatory; broad-spectrum cover (piperacillin-tazobactam ± aminoglycoside); consider GCSF; haematology review; antifungal if fever persists >96 hours.

Interpretation bands for the CISNE Score. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.