Lactose absorption in patients with ovarian cancer

Gian Franco Meloni, Carla Colombo, Carlo La Vecchia, Giuseppina Ruggiu, Maria Chiara Mannazzu, Guido Ambrosini, Pier Luigi Cherchi

Research output: Contribution to journalArticlepeer-review

Abstract

To determine whether lactase persistence might be related to ovarian cancer risk, in 1994-1995 the authors assessed the capacity to digest lactose by measuring breath hydrogen production after oral administration of lactose in 50 women with ovarian cancer and 100 healthy controls. All of the women came from Sassari (Sardinia), Italy, an area where the population has a high frequency of lactose malabsorption. Thirty percent of cases were lactose absorbers, as compared with 15% of controls. The odds ratio for ovarian cancer among lactose absorbers was 2.51 (95% confidence interval 1.10-5.68). These results provide some support for a role of lactose ingestion and galactose cytotoxicity in the pathogenesis of ovarian cancer.

Original languageEnglish
Pages (from-to)183-186
Number of pages4
JournalAmerican Journal of Epidemiology
Volume150
Issue number2
Publication statusPublished - Jul 15 1999

Keywords

  • Dairy products
  • Galactose
  • Lactose
  • Milk
  • Ovarian neoplasms

ASJC Scopus subject areas

  • Epidemiology

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