Photodetection of early human bladder cancer based on the fluorescence of 5-aminolaevulinic acid hexylester-induced protoporphyrin IX: a pilot study
1999

Detecting Early Bladder Cancer with a Special Acid

Sample size: 25 publication Evidence: moderate

Author Information

Author(s): Lange N, Jichlinski P, Zellweger M, Forrer M, Marti A, Guillou L, Kucera P, Wagnières G, Bergh H van den

Primary Institution: Institute of Environmental Engineering, Swiss Federal Institute of Technology (EPFL)

Hypothesis

Can a modified version of 5-aminolaevulinic acid improve the detection of bladder cancer through fluorescence?

Conclusion

The study found that using a modified acid led to a significant increase in fluorescence intensity for detecting bladder cancer.

Supporting Evidence

  • The study involved 25 patients receiving the treatment.
  • No side effects were observed from the treatment.
  • The modified acid resulted in a twofold increase in fluorescence intensity.

Takeaway

Doctors tested a special acid to help find bladder cancer, and it worked much better than the usual method.

Methodology

The study applied 5-aminolaevulinic acid hexylester solutions intravesically to patients and measured the resulting fluorescence levels.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690338

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