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Updated: May 15, 2026
05:17
Micromanipulation of Circulating Tumor Cells for Downstream Molecular Analysis and Metastatic Potential Assessment
Published on: May 14, 2019
Cancer symptom clusters: current concepts and controversies
1Department of Solid Tumor Oncology, Cleveland Clinic Taussig Cancer Institute, Cleveland, Ohio, USA. aktasa@ccf.org
Current Opinion in Supportive and Palliative Care
|January 5, 2013
Summary
Cancer symptom clusters are complex and require clear definitions. Identifying core and sentinel symptoms can predict patient outcomes and guide interventions for better cancer care.
Area of Science:
- Oncology
- Symptom Science
- Psychoneurology
Background:
- Symptom cluster research investigates the intricate connections between multiple simultaneous symptoms and their underlying mechanisms.
- Discrepancies in understanding the cluster concept and variations in assessment tools complicate research findings.
Purpose of the Study:
- To address conceptual and methodological challenges in defining cancer symptom clusters.
- To examine interrelationships between symptoms, and their impact on patient outcomes.
Main Methods:
- Review of existing qualitative and quantitative evidence.
- Exploration of symptom pair definitions and psychoneurological symptom clusters in cancer patients.
Main Results:
- Evidence supports 'symptom pairs' as clusters and a psychoneurological cluster in cancer.
- Consistent clusters share core symptoms over time; sentinel symptoms predict other cluster members.
- Symptom clusters predict decreased function and shorter survival; identifying high-severity subgroups aids targeted interventions.
Conclusions:
- Refining cluster definitions, stability, and sentinel symptom identification is crucial.
- Both conceptual and empirical advancements are needed.
- Qualitative approaches can enhance understanding of symptom cluster experiences and inform future research.
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