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Medications to Reduce Risk

Review national guidelines for cancer screening and prevention; this information is listed by gene mutation and by cancer type.

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Medications to lower colorectal cancer risk

In people at average risk for colorectal cancer, long term use of aspirin can reduce the risk of colorectal and colorectal cancer. 

For people at high risk for colorectal cancer, multiple studies have shown a benefit of aspirin or other non-steroidal anti-inflammatory drugs (NSAIDS).

  • In people with , daily aspirin may decrease the risk for colon cancer and other cancers. In one study, people who took 600 mg of aspirin daily for two years or more had a 60 percent decrease in their risk for colorectal cancer. However, more studies are needed to help experts understand the best dose and duration of aspirin to protect people with from colorectal cancer. 
  • Sulindac and celexicob are NSAIDs that have been shown to lower the risk for in people with the rare syndrome Familial Adenomatous Polyposis (FAP). FAP is caused by an  in the APC gene, and is associated with increased risk of young-onset colorectal and colorectal cancer. 

There is still uncertainty about the best dose and which patients may benefit most from routine use.

Other medications and dietary supplements have been studied through clinical trials, some of which are currently enrolling high-risk people. Currently, there is not enough evidence to support using of any of these other agents for routine of colorectal cancer.

Medications and supplements can have side effects. It is important for people to discuss the benefits and risks of with their doctor. People who choose to take medication to lower risk still need to undergo colorectal cancer screening. 

Find Experts
Find Experts

The following resources can help you locate an expert near you.

Finding gastroenterologists


Other ways to find experts

  • The National Cancer Institute (NCI)-designated comprehensive cancer centers deliver cutting-edge cancer care to patients in communities across the United States. Most centers have specialized screening and prevention centers for high-risk people. Find a center near you and learn about its specific research capabilities, programs, and initiatives.
  • Register for the FORCE Message Boards to get referrals from other members. Once you register, you can post on the Find a Specialist board to connect with other people who share your situation.

Open Clinical Trials
Open Clinical Trials

The following are studies looking at colorectal cancer screening or prevention.  ​​​​​

Other colorectal cancer screening and prevention studies may be found here.

Last updated December 21, 2022