All Articles Tagged With: "Multiple Sclerosis"

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Tysabri Brain Infection Risk Increases with Number of Infusions: FDA

The FDA has issued another warning about the risk of brain infections from Tysabri, indicating that the more infusions a patient receives of the multiple sclerosis drug, the higher their risk of contracting progressive mutifocal luekoencephalopathy (PML), a rare and often fatal infection in the brain.

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Tysabri Reactivates JC Virus Linked to Rare Brain Disease: Study

A new study indicates that side effects of Tysabri, a multiple sclerosis drug, reactivates and strengthens a virus that can cause a deadly brain infection, known as progressive multifocal leukoencephalopathy (PML). Tysabri was briefly removed from the market in 2005 after several patients died from the brain infection, and at least 13 Tysabri PML [...]

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PML Brain Infection from Tysabri Reported in 10th Patient

Biogen Idec Inc. is reporting that another brain infection from Tysabri has been discovered among users of their multiple sclerosis drug, which is at least the 10th case reported in the last three years.

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Tysabri Side Effects Linked to 9th PML Infection Case

A new case of a rare, often lethal, brain infection has been linked to the multiple sclerosis drug Tysabri, making it the ninth case of progressive multifocal leukoencephalopathy (PML) infection potentially caused by side effects of Tysabri since the drug was put back on the market in July 2006.

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Another Tysabri Brain Infection Reported: 8th PML Infection Since Re-Launch

Biogen Idec Inc. indicates that another multiple sclerosis patient may have developed a rare and potentially life-threatening brain infection known as progresive multifocal leukoencephalopathy from side effects of Tysabri.

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Tysabri Brain Infection Reported in another Multiple-Sclerosis Patient

According to a report in the Wall Street Journal, another multiple sclerosis patient has developed a rare and often fatal brain infection, known as progressive multifocal leukoencephalopathy, or PML, as a possible side effect of Tysabri.

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Tysabri Brain Disease Reported in Another Multiple Sclerosis Patient

Another multiple sclerosis patient has suffered a rare brain disease as a side effect of Tysabri. This is the seventh reported case of the potentially fatal brain infection, known as progressive multifocal leukoencephalopathy, linked to the drug, and at least the fourth known report to surface this year.

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Tysabri PML Cases Cause European Regulators to Recommend Stronger Warnings

The European Medicines Agency, an advisory body for drug regulators in Europe, recommended last week that the warning label for the multiple-sclerosis drug Tyasabri be updated following new reports of users developing a rare brain disease known as PML, or progressive multifocal leukoencephalopathy.