Inverse association between melanoma and previous vaccinations against tuberculosis and smallpox: Results of the FEBIM study

Annette Pfahlberg, Klaus F. Kölmel, John M. Grange, Giuseppe Mastrangelo, Bernd Krone, Ivan N. Botev, Marianne Niin, Claus Seebacher, Daniel Lambert, Raphael Shafir, Daniela Schneider, Eva Maria Kokoschka, Ulrich R. Kleeberg, Wolfgang Uter, Olaf Gefeller

Research output: Contribution to journalArticlepeer-review

Abstract

Various forms of immunotherapy utilizing bacille Calmette-Guérin vaccine or vaccinia vaccine have been evaluated in clinical trials on melanoma patients. The effect of the "natural" application of these vaccinations, administered to provide protection against tuberculosis and smallpox, has, however, never been studied in epidemiologic investigations on risk factors for melanoma. In a case-control study comprising 11 institutions in seven countries we recruited 603 incident melanoma cases and 627 population controls frequency matched to the cases with respect to sex, age, and ethnic origin within each center to assess this relationship to obtain insights into the prevention of melanoma. Exposure information, incorporating also detailed ascertainment of potential confounding variables, was obtained in standardized personal interviews at the study subject's home. We found an inverse association between melanoma risk and previous bacille Calmette-Guérin vaccine/vaccinia vaccination depicted by an adjusted odds ratio of 0.44 (95% confidence interval: 0.26-0.72) for those vaccinated against tuberculosis and smallpox compared with subjects without a positive history of either vaccination. A variety of subgroup analyses showing a consistent pattern of results make it unlikely that the observed inverse association is a spurious finding. We conclude that bacille Calmette-Guérin vaccination and vaccinia vaccination may lower melanoma risk. Current immunologic theory of melanoma development provides a sound basis for understanding the biologic plausibility of the findings that have to be confirmed in future studies.

Original languageEnglish
Pages (from-to)570-575
Number of pages6
JournalJournal of Investigative Dermatology
Volume119
Issue number3
DOIs
StatePublished - Sep 2002

Keywords

  • Bacille Calmette-Guérin
  • Studies/epidemiology/melanoma/ smallpox
  • Vaccine
  • Vaccine/case-control

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