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Low-risk febrile neutropenia
Tim Cooksley1,2
1The Christie NHS Trust, Manchester, United Kingdom.
Postgraduate Medical Journal
|May 29, 2026
Summary
Ambulatory emergency care for cancer patients with low-risk febrile neutropenia is safe and effective. However, patients on combined chemotherapy/immune checkpoint inhibitor (ICI) therapy may experience more severe neutropenic fever, requiring careful assessment for outpatient management.
Area of Science:
- Oncology
- Emergency Medicine
- Pharmacology
Background:
- Emergency presentations in cancer patients are associated with increased mortality, hospital admissions, and longer stays.
- Febrile neutropenia is a common and heterogeneous emergency in cancer patients, with a minority developing severe complications.
- Combined chemotherapy/immune checkpoint inhibitor (ICI) therapy is a growing standard of care, leading to new challenges in managing acute presentations.
Purpose of the Study:
- To assess the safety and efficacy of ambulatory emergency care for cancer patients, particularly those with febrile neutropenia.
- To evaluate the risk stratification of febrile neutropenia using tools like the Multinational Association for Supportive Care in Cancer (MASCC) score.
- To explore the implications of combined chemotherapy/ICI therapy on the severity and management of febrile neutropenia.
Main Methods:
- Utilized risk assessment tools such as the MASCC score and NEWS2 score to stratify patients with febrile neutropenia.
- Compared outcomes for patients managed in an ambulatory emergency setting versus traditional inpatient care.
- Analyzed the characteristics of febrile neutropenia in patients receiving chemotherapy/ICI therapy.
Main Results:
- Management of low-risk febrile neutropenia in an outpatient setting is safe and effective, with comparable outcomes to intravenous and oral antibiotics.
- Patients receiving chemotherapy/ICI therapy demonstrated potentially more severe febrile neutropenia, indicated by lower MASCC scores, higher NEWS2 scores, and longer hospital stays.
- Early recognition of ICI-related neutropenia is challenging, as most cases are chemotherapy-induced.
Conclusions:
- Ambulatory emergency care models are feasible and beneficial for selected cancer patients, including those with low-risk febrile neutropenia.
- Patients on combined chemotherapy/ICI therapy represent a higher-risk group for febrile neutropenia, necessitating cautious ambulatory management strategies.
- Developing localized ambulatory oncology services is crucial for delivering high-quality, personalized, and sustainable acute care for cancer emergencies.
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