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- Title
Racial and ethnic disparities in genomic testing among lung cancer patients: a systematic review.
- Authors
Meernik, Clare; Raveendran, Yadurshini; Kolarova, Michaela; Rahman, Fariha; Olunuga, Ebunoluwa; Hammond, Emmery; Shivaramakrishnan, Akhilesh; Hendren, Steph; Bosworth, Hayden B; Check, Devon K; Green, Michelle; Strickler, John H; Akinyemiju, Tomi
- Abstract
Background Racial and ethnic disparities in genomic testing could exacerbate disparities in access to precision cancer therapies and survival—particularly in the context of lung cancer where genomic testing has been recommended for the past decade. However, prior studies assessing disparities in genomic testing have yielded mixed results. Methods We conducted a systemic review to examine racial and ethnic disparities in the use of genomic testing among lung cancer patients in the United States. Two comprehensive searches in PubMed, Embase, and Scopus were conducted (September 2022, May 2023). Original studies that assessed rates of genomic testing by race or ethnicity were included. Findings were narratively synthesized by outcome. Results The search yielded 2739 unique records, resulting in 18 included studies. All but 1 study were limited to patients diagnosed with non–small cell lung cancer. Diagnosis years ranged from 2007 to 2022. Of the 18 studies, 11 found statistically significant differences in the likelihood of genomic testing by race or ethnicity; in 7 of these studies, testing was lower among Black patients compared with White or Asian patients. However, many studies lacked adjustment for key covariates and included patients with unclear eligibility for testing. Conclusions A majority of studies, though not all, observed racial and ethnic disparities in the use of genomic testing among patients with lung cancer. Heterogeneity of study results throughout a period of changing clinical guidelines suggests that minoritized populations—Black patients in particular—have faced additional barriers to genomic testing, even if not universally observed at all institutions.
- Subjects
UNITED States; RACIAL inequality; LUNG cancer; NON-small-cell lung carcinoma; CANCER patients; BLACK people
- Publication
JNCI: Journal of the National Cancer Institute, 2024, Vol 116, Issue 6, p812
- ISSN
0027-8874
- Publication type
Article
- DOI
10.1093/jnci/djae026