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Related Concept Videos

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Standardized SDS-PAGE Workflow for Personalized Protein Corona Profiling in Early Cancer Detection
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Multicancer Early Detection Blood Test Performance in Cancer Survivors From the PATHFINDER Study.

Catherine R Marinac1, Elizabeth K O'Donnell1, Christina A Clarke2

  • 1Dana-Farber Cancer Institute, Boston, MA.

JCO Precision Oncology
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This summary is machine-generated.

Blood tests for multicancer early detection (MCED) show promise for monitoring cancer survivors. This study found MCED tests could help detect new cancers in survivors, addressing a critical need for long-term surveillance strategies.

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Area of Science:

  • Oncology
  • Biomarkers
  • Cancer Survivorship

Background:

  • Cancer survivors face elevated risks of recurrence and new primary cancers.
  • Long-term surveillance strategies for survivors often lack comprehensive guidance.
  • Early detection of secondary malignancies is crucial for improved patient outcomes.

Purpose of the Study:

  • To evaluate the performance of a blood-based multicancer early detection (MCED) test.
  • To assess the utility of MCED testing in a cohort of cancer survivors.
  • To address the unmet need for effective long-term cancer surveillance.

Main Methods:

  • Prospective study (PATHFINDER) involving 1,609 adults without current cancer suspicion.
  • Assessed the performance of a blood-based MCED test in participants.
  • Included cancer survivors with diverse previous cancer types and diagnosis durations.

Main Results:

  • A cancer signal was detected in 1.2% (20/1,609) of participants.
  • Ten new cancer diagnoses were identified: 5 second primaries and 5 recurrences (breast cancer).
  • Second primaries and recurrences were diagnosed years after the initial diagnosis; MCED test performance was consistent across groups.

Conclusions:

  • Blood-based MCED tests demonstrate potential for long-term cancer survivor surveillance.
  • MCED testing may help identify new cancers in survivors, addressing a significant clinical need.
  • Further research can validate MCED tests for routine use in cancer survivorship care.