Related Experiment Video
Updated: Aug 12, 2026
04:59
Cheek Injection Model for Simultaneous Measurement of Pain and Itch-related Behaviors
Published on: September 27, 2019
Cancer-associated pruritus: Insights into its pathogenesis and management
Chih-Yi Ho1, Quoc Thao Trang Pham2, Hao-Jui Weng3
1Department of Dermatology, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan.
The Journal of Investigative Dermatology
|August 11, 2026
Summary
Cancer-associated pruritus (CAP) is a common symptom of cancer, often linked to specific blood cancers and solid tumors. Advances reveal key cytokines like IL-13 drive this persistent itching.
Area of Science:
- Oncology
- Immunology
- Dermatology
Background:
- Cancer-associated pruritus (CAP) is itching linked to malignancy, often without skin lesions.
- Persistent pruritus is a burdensome symptom in various cancers, notably hematologic ones like Hodgkin lymphoma and polycythemia vera, and solid tumors like cholangiocarcinoma.
Purpose of the Study:
- To review current understanding of CAP pathophysiology.
- To explore molecular and cellular targets for CAP.
- To discuss evolving therapeutic strategies for CAP.
Main Methods:
- Review of contemporary scientific literature on cancer-associated pruritus.
- Analysis of mechanistic pathways involving cytokines and immune cells.
- Synthesis of information on therapeutic targets and treatments.
Main Results:
- CAP is primarily driven by type-2 pruritogenic cytokines, including IL-13, IL-31, and IL-4.
- These cytokines act as messengers to pruriceptive neurons, influencing immune responses.
- Immune effector cells like T helper type 2 lymphocytes, mast cells, and eosinophils are involved.
Conclusions:
- Understanding CAP pathophysiology is advancing, revealing key cytokine pathways.
- Potential molecular and cellular targets are being identified for novel therapies.
- Evolving treatment strategies aim to alleviate this burdensome cancer symptom.
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