The maker of Avastin has updated the colon cancer drug's label to include warnings about rare cases of brain capillary leak syndrome and nasal septum perforation.

Nasal septum perforation is when the cartilage of the nasal septum develops holes. Capillaries are small blood vessels.

The U.S. Food and Drug Administration approved Avastin for the treatment of colon or rectal cancer that has spread to other parts of the body

Medical company Genentech says it has stopped enrolling ovarian cancer patients in a test for Avastin, because a higher-than-expected number of the women developed perforations in their gastrointestinal tracts.

Genentech says five of 44 patients involved in the study, 11 percent, have developed perforations as a result of taking the drug

Medical company Genentech says it has stopped enrolling ovarian cancer patients in a test for Avastin, because a higher-than-expected number of the women developed perforations in their gastrointestinal tracts.

Genentech says five of 44 patients involved in the study, 11 percent, have developed perforations as a result of taking the drug

Medical company Genentech says it has stopped enrolling ovarian cancer patients in a test for Avastin, because a higher-than-expected number of the women developed perforations in their gastrointestinal tracts.

Genentech says five of 44 patients involved in the study, 11 percent, have developed perforations as a result of taking the drug

Biotech company Genentech Inc. announces on Friday it has stopped signing-up ovarian cancer patients in a mid-stage clinical review of the medication, Avastin.

Greentech cites greater occurrences of gastrointestinal perforations than shown in previous studies of the drug as the reason