A novel charged trinuclear platinum complex effective against cisplatin-resistant tumours: hypersensitivity of p53-mutant human tumour xenografts
1999

New Platinum Drug Effective Against Resistant Tumors

publication Evidence: moderate

Author Information

Author(s): Pratesi G, Perego P, Polizzi D, Righetti S C, Supino R, Caserini C, Manzotti C, Giuliani F C, Pezzoni G, Tognella S, Spinelli S, Farrell N, Zunino F

Primary Institution: Istituto Nazionale per lo Studio e la Cura dei Tumori

Hypothesis

The novel triplatinum compound BBR 3464 is effective against cisplatin-resistant tumors, particularly those with p53 mutations.

Conclusion

The triplatinum complex BBR 3464 shows significant anti-tumor efficacy, especially in p53-mutant tumors, suggesting it may be a promising new treatment option.

Supporting Evidence

  • The triplatinum compound BBR 3464 was effective against all tested tumors.
  • It showed impressive efficacy, including complete tumor regressions in lung carcinoma models.
  • BBR 3464 was more effective against p53-mutant tumors than those with the wild-type gene.
  • Transfer of functional p53 reduced sensitivity to BBR 3464 but increased sensitivity to cisplatin.
  • The compound induced apoptosis in lung carcinoma cells with mutant p53.

Takeaway

Scientists created a new type of platinum drug that works better on certain cancer cells that don't respond to regular treatments. It seems to work especially well on cells with a specific mutation.

Methodology

Preclinical studies were conducted on human tumor xenografts to assess the efficacy of the triplatinum compound.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690620

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication