Sequential gene profiling of basal cell carcinomas treated with imiquimod in a placebo-controlled study defines the requirements for tissue rejection
2007

Gene Profiling of Basal Cell Carcinomas Treated with Imiquimod

Sample size: 36 publication 10 minutes Evidence: moderate

Author Information

Author(s): Panelli Monica C, Stashower Mitchell E, Slade Herbert B, Smith Kina, Norwood Christopher, Abati Andrea, Fetsch Patricia, Filie Armando, Walters Shelley-Ann, Astry Calvin, Aricó Eleonora, Zhao Yingdong, Selleri Silvia, Wang Ena, Marincola Francesco M

Primary Institution: National Institutes of Health

Hypothesis

Characterizing early transcriptional events induced by imiquimod may provide insights about immunological events preceding acute tissue and/or tumor rejection.

Conclusion

The study provides insights into the early transcriptional events associated with immune rejection in basal cell carcinoma treated with imiquimod.

Supporting Evidence

  • Imiquimod is effective in inducing immune responses against basal cell carcinoma.
  • Nine out of 22 imiquimod-treated BCCs were found to be clear of tumor cells.
  • Significant increases in immune cell markers were observed post-treatment.

Takeaway

This study looked at how a cream called imiquimod helps the body fight skin cancer by making the immune system work better.

Methodology

The study involved a paired analysis of punch biopsies from patients treated with imiquimod or a control cream, assessing gene expression changes.

Potential Biases

Potential biases may arise from patient compliance and variability in treatment adherence.

Limitations

The study did not assess the long-term effects of treatment and relied on a relatively small sample size.

Participant Demographics

61% had nodular BCC, 17% superficial BCC, and 22% unspecified BCC.

Statistical Information

P-Value

0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/gb-2007-8-1-r8

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