期刊
ANNALS OF INTERNAL MEDICINE
卷 174, 期 9, 页码 1224-+出版社
AMER COLL PHYSICIANS
DOI: 10.7326/M20-8270
关键词
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资金
- Stand Up to Cancer/Dutch Cancer Society International Translational Cancer Research Dream Team Grant
- American Association for Cancer Research [SU2C-AACR-DT1415]
- Dutch Digestive Foundation
- Health~Holland, Top Sector Life Sciences Health [LSHM15040, LSHM18032-SGF]
- European Cooperation in Science and Technology (COST) Action [CA17118]
- COST
In this study, the multitarget FIT (mtFIT) showed improved diagnostic accuracy in detecting advanced neoplasia compared to FIT, particularly in detecting advanced adenomas. Early health technology assessment indicated that mtFIT-based screening could be cost-effective.
Background: The fecal immunochemical test (FIT) is used in colorectal cancer (CRC) screening, yet it leaves room for improvement. Objective: To develop a multitarget FIT (mtFIT) with better diagnostic performance than FIT. Design: Diagnostic test accuracy study. Setting: Colonoscopy-controlled series. Participants: Persons (n = 1284) from a screening (n = 1038) and referral (n = 246) population were classified by their most advanced lesion (CRC [n = 47], advanced adenoma [n = 135], advanced serrated polyp [n = 30], nonadvanced adenoma [n = 250], and nonadvanced serrated polyp [n = 53]), along with control participants (n = 769). Measurements: Antibody-based assays were developed and applied to leftover FIT material. Classification and regression tree (CART) analysis was applied to biomarker concentrations to identify the optimal combination for detecting advanced neoplasia. Performance of this combination, the mtFIT, was cross-validated using a leave-one-out approach and compared with FIT at equal specificity. Results: The CART analysis showed a combination of hemoglobin, calprotectin, and serpin family F member 2-the mtFIT-to have a cross-validated sensitivity for advanced neoplasia of 42.9% (95% CI, 36.2% to 49.9%) versus 37.3% (CI, 30.7% to 44.2%) for FIT (P = 0.025), with equal specificity of 96.6%. In particular, cross-validated sensitivity for advanced adenomas increased from 28.1% (CI, 20.8% to 36.5%) to 37.8% (CI, 29.6% to 46.5%) (P = 0.006). On the basis of these results, early health technology assessment indicated that mtFIT-based screening could be cost-effective compared with FIT. Limitation: Study population is enriched with persons from a referral population. Conclusion: Compared with FIT, the mtFIT showed better diagnostic accuracy in detecting advanced neoplasia because of an increased detection of advanced adenomas. Moreover, early health technology assessment indicated that these results provide a sound basis to pursue further development of mtFIT as a future test for population-based CRC screening. A prospective screening trial is in preparation.
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