Review: could Tysabri cause Colon Cancer?


Colon cancer is found among people who take Tysabri, especially for people who are female, 40-49 old , have been taking the drug for 1 - 2 years, also take medication Avonex, and have Multiple sclerosis . We study 139,605 people who have side effects while taking Tysabri from FDA and social media. Among them, 108 have Colon cancer. Find out below who they are, when they have Colon cancer and more.

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Tysabri has active ingredients of natalizumab. It is often used in multiple sclerosis. (latest outcomes from Tysabri 139,770 users)

Colon Cancer

Colon cancer has been reported by people with breathing difficulty, death, rashes, thrombocytopenia, agranulocytosis (latest reports from 23,890 Colon cancer patients).

On Aug, 26, 2016

139,605 people reported to have side effects when taking Tysabri.
Among them, 108 people (0.08%) have Colon Cancer

Number of reports submitted per year:

Could Tysabri cause Colon cancer?

Time on Tysabri when people have Colon Cancer *:

  • < 1 month: 10.45 %
  • 1 - 6 months: 23.88 %
  • 6 - 12 months: 8.96 %
  • 1 - 2 years: 43.28 %
  • 2 - 5 years: 13.43 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Colon Cancer when taking Tysabri *:

  • female: 67.29 %
  • male: 32.71 %

Age of people who have Colon Cancer when taking Tysabri *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 1.03 %
  • 20-29: 0.0 %
  • 30-39: 12.37 %
  • 40-49: 35.05 %
  • 50-59: 21.65 %
  • 60+: 29.9 %

Top conditions involved for these people *:

  • Multiple Sclerosis (94 people)
  • Crohn's Disease (8 people)
  • Relapsing-Remitting Multiple Sclerosis (4 people)
  • Diabetes Mellitus (3 people)
  • Anxiety (3 people)

Top co-used drugs for these people *:

  • Avonex (14 people)
  • Provigil (7 people)
  • Ibuprofen (7 people)
  • Ditropan (7 people)
  • Cialis (7 people)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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