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<p>Patients with Lynch syndrome (LS) have been shown to have up to an 60% lifetime risk of developing colorectal cancer. The National Comprehensive Cancer Network (NCCN) guidelines recommend LS patients consider taking aspirin (ASA) daily to reduce their risk of colorectal cancer, which is primarily based on the Cancer Prevention Project 2 (CAPP-2) study results. In this study, we evaluated the uptake of guideline directed aspirin therapy among LS patients at Geisinger Inherited Risk Gastrointestinal clinic (IRGI). Medical records of 177 patients were retrospectively reviewed from May 2016 to December 2022. After excluding those with missing data or lost to follow-up, our study cohort consisted of 167 patients. Demographics, affected genes, clinical history, and ASA use were collected. Chi-square test and unpaired T-test were used to evaluate the association between various parameters and ASA use. With a median annual follow up of 36&#xa0;months and adjustment for patients with relative and absolute contraindications to ASA, 58.5% (83/142) of patients were compliant with ASA therapy. Nearly half 49.4% (41/83) of ASA users took 81&#xa0;mg daily, 1.2% (1/83) took 250&#xa0;mg daily, 42.2% (35/83) took 325&#xa0;mg daily and only 7.2% (6/83) reported taking &gt; 600&#xa0;mg daily. Relatively older patients were significantly more likely to take ASA compared to those not taking ASA (<i>p</i>-value = 0.025). The success of guideline focused discussion in encouragement of daily ASA use as primary prophylaxis in colorectal cancer amongst LS patients is likely multifactorial and beyond absolute medical contraindications.</p>

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Single institution assessment of physician compliance and patient uptake with guideline directed aspirin therapy in the prevention of colorectal cancer in lynch syndrome

  • 期刊论文

  • 发表日期：

    2026年2月9日

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  • Alexandra Yudiski,
  • Heather Rocha,
  • Edward Liu,
  • Matthew Dzeda,
  • Olivia Granja,
  • Nicholas Haynes,
  • Hannah Woolley,
  • Shane Conklin,
  • Gabrielle Shermanski,
  • Amanda Leicht,
  • Thomas Morland,
  • Kathie Wu,
  • Bradley Confer

摘要

Patients with Lynch syndrome (LS) have been shown to have up to an 60% lifetime risk of developing colorectal cancer. The National Comprehensive Cancer Network (NCCN) guidelines recommend LS patients consider taking aspirin (ASA) daily to reduce their risk of colorectal cancer, which is primarily based on the Cancer Prevention Project 2 (CAPP-2) study results. In this study, we evaluated the uptake of guideline directed aspirin therapy among LS patients at Geisinger Inherited Risk Gastrointestinal clinic (IRGI). Medical records of 177 patients were retrospectively reviewed from May 2016 to December 2022. After excluding those with missing data or lost to follow-up, our study cohort consisted of 167 patients. Demographics, affected genes, clinical history, and ASA use were collected. Chi-square test and unpaired T-test were used to evaluate the association between various parameters and ASA use. With a median annual follow up of 36 months and adjustment for patients with relative and absolute contraindications to ASA, 58.5% (83/142) of patients were compliant with ASA therapy. Nearly half 49.4% (41/83) of ASA users took 81 mg daily, 1.2% (1/83) took 250 mg daily, 42.2% (35/83) took 325 mg daily and only 7.2% (6/83) reported taking > 600 mg daily. Relatively older patients were significantly more likely to take ASA compared to those not taking ASA (p-value = 0.025). The success of guideline focused discussion in encouragement of daily ASA use as primary prophylaxis in colorectal cancer amongst LS patients is likely multifactorial and beyond absolute medical contraindications.