Related Experiment Video
Updated: Jun 26, 2026

08:55
The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia
Published on: November 30, 2016
Defining and classifying cancer cachexia: a proposal by the SCRINIO Working Group.
Federico Bozzetti1, Luigi Mariani
1Residenza Le Querce, Milano Due, Segrate, Italy. dottfb@tin.it
JPEN. Journal of Parenteral and Enteral Nutrition
|December 26, 2008
Summary
A new classification system for cancer cachexia has been developed, categorizing patients based on weight loss and symptoms. This system helps identify distinct stages of cancer cachexia for better patient management.
Area of Science:
- Oncology
- Clinical Nutrition
- Medical Diagnostics
Background:
- Cancer cachexia lacks an objective definition and classification, impacting patient care.
- This syndrome is prevalent in cancer patients, necessitating standardized assessment.
- Current understanding requires a practical system for categorizing cachexia severity.
Purpose of the Study:
- To propose a simple, rapid classification for cancer cachexia.
- To stratify patients based on body weight loss and associated symptoms.
- To provide a tool for objective assessment in clinical practice.
Main Methods:
- Utilized data from 1307 cancer outpatients in a multicenter prospective study.
- Classified patients into 4 groups based on weight loss (<10% precachexia, >=10% cachexia) and symptom presence (anorexia, fatigue, early satiation).
- Employed statistical tests (Cochrane-Mantel-Hanszel, ANOVA) to validate class associations with clinical, nutritional, and oncologic variables.
Main Results:
- A significant trend (P < .0001) was observed across stages from asymptomatic precachexia to symptomatic cachexia.
- Trends included increasing percentages of gastrointestinal tumors, cancer stage severity, weight loss, and symptoms per patient.
- Eastern Cooperative Oncology Group (ECOG) performance status and nutritional risk scores also showed significant trends.
Conclusions:
- The proposed 4-class system effectively validates distinct stages of cancer cachexia severity.
- This classification can be integrated into comprehensive oncologic care for weight-losing patients.
- It serves as a practical tool pending more advanced diagnostic techniques.
Related Concept Videos
Cancer Survival Analysis
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
What is Cancer?
Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of patients who died from...
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of patients who died from...
What is Cancer?
Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of patients who died from...
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of patients who died from...
Cancer Therapies
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Cancer Therapies
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Adaptive Mechanisms in Cancer Cells
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...