Among BRCA1 carriers, no difference in the T allele frequency between ovarian cancer cases and controls was observed (27/254, 11%; 95% CI 7.12–15.10 vs. 25/254, 10%, 95% CI 6.50–14.20) (Fisher's exact test, p = 0.88). This evidence concerns the gene BRCA1 and ovarian carcinoma.