In vivo cytokine production and recombinant interleukin 2 immunotherapy: an insight into the possible mechanisms underlying clinical responses
1994

Cytokine Production and rIL-2 Therapy in Colorectal Cancer

Sample size: 20 publication Evidence: moderate

Author Information

Author(s): D.J. Deehan, S.D. Heys, W.G. Simpson, J. Broom, C. Franks, O. Eremin

Primary Institution: University of Aberdeen

Hypothesis

Can serum cytokine levels predict the response to rIL-2 therapy in patients with advanced colorectal cancer?

Conclusion

Patients with low pretreatment serum IL-6 levels are more likely to respond to rIL-2 therapy.

Supporting Evidence

  • Responders had significantly lower pretreatment serum IL-6 and sIL-2R levels than non-responders.
  • Only 20-30% of patients with solid tumors responded to rIL-2 therapy.
  • High levels of IL-6 during therapy were associated with better responses.

Takeaway

This study found that patients with lower levels of a certain protein in their blood are more likely to get better when treated with a specific cancer therapy.

Methodology

Twenty patients with advanced colorectal cancer were treated with rIL-2, and serum cytokine levels were measured before and during treatment.

Potential Biases

Potential selection bias due to the specific patient population studied.

Limitations

The study only included patients with advanced colorectal cancer, limiting generalizability.

Participant Demographics

20 patients, 10 males and 10 females, age range 36-71 years.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.01

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