Enhanced therapeutic efficacy of 5'deoxy-5-fluorouridine in 5-fluorouracil resistant head and neck tumours in relation to 5-fluorouracil metabolising enzymes
1989

Improving Cancer Treatment with 5'd-FUR

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): G.J. Peters, B.J.M. Braakhuis, E.A. de Bruijn, E.J. Laurensse, M. van Walsum, H.M. Pinedo

Primary Institution: Free University Hospital, Amsterdam, The Netherlands; University of Antwerp, Belgium

Hypothesis

Can the prodrug 5'd-FUR enhance the therapeutic efficacy of 5-FU in resistant head and neck tumors?

Conclusion

The study found that 5'd-FUR can enhance the sensitivity of certain 5-FU resistant tumors, leading to improved therapeutic efficacy.

Supporting Evidence

  • 5'd-FUR showed increased therapeutic efficacy compared to 5-FU in certain tumor lines.
  • Colon 26 and HNX-KE tumors had a high activity of OPRT, correlating with sensitivity to 5'd-FUR.
  • 5'd-FUR can be administered at much higher doses than 5-FU with lower toxicity.

Takeaway

This study shows that a drug called 5'd-FUR can help treat some cancers that don't respond well to another drug called 5-FU.

Methodology

The study tested four human head and neck xenograft tumor lines and two murine colon carcinomas for their sensitivity to 5-FU and 5'd-FUR, measuring enzyme activities and plasma pharmacokinetics.

Limitations

The study was limited to specific tumor lines and may not generalize to all cancer types.

Participant Demographics

The study involved human head and neck cancer xenografts and murine colon carcinomas.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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