Dataset Information

Effectiveness of Interventions for Breast Cancer Screening in African American Women: A Meta-Analysis.

ABSTRACT: OBJECTIVE:The purpose of this study was to report the results of a meta-analysis conducted on the effects of clinical trials in breast cancer screening for African American women between 1997 and 2017. DATA SOURCES:Articles published in English and in the United States, between January 1997 and March 2017, were eligible for inclusion if they (1) conducted psychosocial, behavioral, or educational interventions designed to increase screening mammography rates in predominantly African American women of all ages; (2) utilized a randomized, controlled trial (RCT) design; and (3) reported quantitative screening rates following the intervention. STUDY DESIGN:Randomized clinical trials on breast cancer screening in African American women, published between January 1997 and March 2017, were selected from database searches. DATA COLLECTION METHODS:Data collected included effect size of screening versus comparison interventions, intervention characteristics, and a number of study characteristics to explore potential moderators. Search results yielded 327 articles, of which 14 met inclusion criteria and were included in analyses. PRINCIPAL FINDINGS:Findings indicated that screening interventions for African American women were significantly more likely to result in mammography than control (OR = 1.56 [95 percent CI = 1.27-1.93], p < .0001). Although no patient or study characteristics significantly moderated screening efficacy, the most effective interventions were those specifically tailored to meet the perceived risk of African American women. CONCLUSIONS:Screening interventions are at least minimally effective for promoting mammography among African American women, but research in this area is limited to a small number of studies. More research is needed to enhance the efficacy of existing interventions and reduce the high morbidity and mortality rate of this underserved population.

SUBMITTER: Copeland VC

PROVIDER: S-EPMC6056582 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Effectiveness of Interventions for Breast Cancer Screening in African American Women: A Meta-Analysis.

Copeland Valire Carr VC Kim Yoo Jung YJ Eack Shaun M SM

Health services research 20171121

<h4>Objective</h4>The purpose of this study was to report the results of a meta-analysis conducted on the effects of clinical trials in breast cancer screening for African American women between 1997 and 2017.<h4>Data sources</h4>Articles published in English and in the United States, between January 1997 and March 2017, were eligible for inclusion if they (1) conducted psychosocial, behavioral, or educational interventions designed to increase screening mammography rates in predominantly Africa ...[more]

PMID: 29159815

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Project description:BACKGROUND:African-American men have the lowest 5-year survival rate in the U.S. for colorectal cancer (CRC) of any racial group, which may partly stem from low screening adherence. It is imperative to synthesize the literature evaluating the effectiveness of interventions on CRC screening uptake in this population. MATERIALS AND METHODS:In this systematic review and meta-analysis, Medline, CINAHL, Embase, and Cochrane CENTRAL were searched for U.S.-based interventions that: were published after 1998-January 2020; included African-American men; and evaluated CRC screening uptake explicitly. Checklist by Cochrane Collaboration and Joanna Brigg were utilized to assess risk of bias, and meta-regression and sensitivity analyses were employed to identify the most effective interventions. RESULTS:Our final sample comprised 41 studies with 2 focused exclusively on African-American men. The most frequently adopted interventions were educational materials (39%), stool-based screening kits (14%), and patient navigation (11%). Most randomized controlled trials failed to provide details about the blinding of the participant recruitment method, allocation concealment method, and/or the outcome assessment. Due to high heterogeneity, meta-analysis was conducted among 17 eligible studies. Interventions utilizing stool-based kits or patient navigation were most effective at increasing CRC screening completion, with odds ratios of 9.60 (95% CI 2.89-31.82, p = 0.0002) and 2.84 (95% CI 1.23-6.49, p = 0.01). No evidence of publication bias was present for this study registered with the International Prospective Registry of Systematic Reviews (PROSPERO 2019 CRD42019119510). CONCLUSIONS:Additional research is warranted to uncover effective, affordable interventions focused on increasing CRC screening completion among African-American men. When designing and implementing future multicomponent interventions, employing 4 or fewer interventions types may reduce bias risk. Since only 5% of the interventions solely focused on African-American men, future theory-driven interventions should consider recruiting samples comprised solely of this population.

Project description:African Americans have a disproportionate burden of aggressive young-onset breast cancer. Genomic testing for inherited predisposition to breast cancer is increasingly common in clinical practice, but comprehensive mutation profiles remain unknown for most minority populations. We evaluated 289 patients who self-identified as African American with primary invasive breast cancer and with personal or family cancer history or tumor characteristics associated with high genetic risk for all classes of germline mutations in known breast cancer susceptibility genes using a validated targeted capture and multiplex sequencing approach. Sixty-eight damaging germline mutations were identified in 65 (22 %, 95 % CI 18-28 %) of the 289 subjects. Proportions of patients with unequivocally damaging mutations in a breast cancer gene were 26 % (47/180; 95 % confident interval [CI] 20-33 %) of those with breast cancer diagnosis before age 45; 25 % (26/103; 95 % CI 17-35 %) of those with triple-negative breast cancer (TNBC); 29 % (45/156; 95 % CI 22-37 %) of those with a first or second degree relative with breast cancer before age 60 or with ovarian cancer; and 57 % (4/7; 95 % CI 18-90 %) of those with both breast and ovarian cancer. Of patients with mutations, 80 % (52/65) carried mutations in BRCA1 and BRCA2 genes and 20 % (13/65) carried mutations in PALB2, CHEK2, BARD1, ATM, PTEN, or TP53. The mutational allelic spectrum was highly heterogeneous, with 57 different mutations in 65 patients. Of patients meeting selection criteria other than family history (i.e., with young age at diagnosis or TNBC), 48 % (64/133) had very limited information about the history of cancer in previous generations of their families. Mutations in BRCA1 and BRCA2 or another breast cancer gene occur in one in four African American breast cancer patients with early onset disease, family history of breast or ovarian cancer, or TNBC. Each of these criteria defines patients who would benefit from genomic testing and novel therapies targeting DNA repair pathways.

Dataset Information

Effectiveness of Interventions for Breast Cancer Screening in African American Women: A Meta-Analysis.

Publications

Effectiveness of Interventions for Breast Cancer Screening in African American Women: A Meta-Analysis.

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