Early-onset cancer risk higher among Latino, Black, and Asian families. Consider genetic, environmental factors in minority patient care.
Inherited risk of early-onset cancer is significantly higher among Latino and Black families for solid tumors and Asian/Pacific Islander families for blood-based cancers when compared to White families, according to a study published online in eLife.
Qianxi Feng, from the University of Southern California in Los Angeles, and colleagues used linked California health registries (1989 to 2015) to evaluate relative cancer risks for 62,863 healthy, first-degree relatives of 29,631 patients diagnosed between ages 0 and 26, as well as the relative risks of developing distinct second primary malignancies (SPMs).
The researchers found that given probands with cancer, and there were increased relative risks of any cancer for siblings and mothers (standardized incidence ratio [SIR], 3.32) and of SPMs (SIR, 7.27). Having a proband with solid cancer significantly increased the risk of any cancer in siblings and mothers for both Latino (SIR, 4.98) and non-Latino Black individuals (SIR, 7.35) compared to non-Latino White individuals (SIR, 3.02). A higher familial risk for hematologic cancers was seen for Asian/Pacific Islanders (SIR, 7.56) than non-Latino Whites (SIR, 2.69).
“The data support a need for increased attention to the genetics of early-onset cancer predisposition and environmental factors in race/ethnic minority families in the United States,” the authors write.
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