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MA 18 - Global Tobacco Control and Epidemiology II (ID 676)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Epidemiology/Primary Prevention/Tobacco Control and Cessation
- Presentations: 1
- Moderators:H. Kawai, Christian Klaus Manegold
- Coordinates: 10/17/2017, 15:45 - 17:30, Room 511 + 512
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MA 18.09 - Enrollment of Minorities, the Elderly, and Women in Lung Cancer Clinical Trials (ID 8406)
16:35 - 16:40 | Author(s): R. Go
- Abstract
- Presentation
Background:
Despite multiple efforts led by the National Cancer Institute (NCI) specific patient populations remained underrepresented in cancer clinical trials (CT). Therefore, we determined the representation of minorities, the elderly, and women in lung cancer CT in the past 16 years.
Method:
Clinicaltrials.gov was queried on December 31[st], 2016 for all completed therapeutic lung cancer trials from 2000 to 2016. Trials with recruitment outside of the U.S. were excluded. Enrollment fraction (EF) was defined as the number of enrollees divided by the 2013 SEER cancer prevalence. Geographic location was classified within the 5 major U.S. regions: Northeast, Southeast, Midwest, Northwest and Southwest.
Result:
Out of 320 CT, only 88 trials (27.5%) reported race/ethnicity comprising 11, 723 enrollees. Industry sponsored 65% of the trials. Non-Hispanic whites (NHW) were more likely to be enrolled in CT (EF 2.8%) than African Americans (AA) (EF 1.5%, p<0.001) and Hispanics (EF 2.1% p<0.03). Asian patients were well represented (EF 9.2 %). Distribution by race and sex is described on Table 1. Only 44 (50%) trials divided participants by age (<65 or ≥65 years). The representation of trial participants was heavily skewed towards the younger age group. Median age was 62 years and 8,440 (72%) participants were <65 years of age (p<0.001). Industry sponsored trials were less likely to enroll Hispanic patients than NCI sponsored trials (1.1% vs. 3.8%). African Americans were less likely to be recruited in first line trials compared to NHW (11% vs. 36%, p<0.0001). Underrepresentation of minorities was not affected by recruitment site geographic location.
Conclusion:
NHW were more likely to be enrolled in clinical trials than African American and Hispanics, independent of the recruitment site geographic location. Collaboration between investigators, NCI, industry, and the community is necessary to ensure broad access of unrepresented populations to clinical trials.Race/Ethnicity 2000-2016 Trial Participants n/% Enrollment Fraction % 2013 Lung Cancer Prevalence % Non-Hispanic White 9,350 (79.8) 2.8 82.7 African American 638 (5.4) 1.5 10.6 Hispanic 314 (2.7) 2.1 3.6 Asian/PI 1083 (9.2) 8.7 3.1 Native American 75 (0.6) N/A N/A Other 263 (2.2) Sex Female 4,571 (39) 2.0 55.2 Male 7,152 (61) 3.8 44.8
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