MDCalc

Cancer and Aging Research Group Chemotherapy Toxicity Tool (CARG-TT)

Estimates the risk of severe chemotherapy-related side effects (Grade 3 or greater toxicity) in older cancer patients.

Sex

Age, years

Cancer type

Dosage

For first dose of chemotherapy

Number of chemotherapy drugs

Hearing

Number of falls

In the past six months

Needs help taking meds

Walking ability

Within one block

Social activity

Result:

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Advice
  • This tool should augment, not replace, a comprehensive patient assessment and clinical expertise.
  • Use risk estimates to facilitate informed discussions about goals of care and treatment preferences.
  • Adjust therapy as needed—this may include chemotherapy dose reduction, the implementation of supportive measures, or opting for less intensive regimens in cases of high toxicity risk.
  • Plan for closer monitoring and reassessment over the course of treatment, particularly if the risk of toxicity is moderate to high.
  • Reassess risk as patient status changes over time (e.g., after an initial chemo cycle, new comorbidity).