Category Archives: FDA

Dabigatran and injury – report your concerns

Concerns about a lack of specific antidotes for new anticoagulants has existed for some time, despite the benefits they may bring in other aspects of care. An important piece of correspondence in the New England Journal of Medicine notes the … Continue reading

Posted in ADRs, FDA, Yellow Card Scheme | Comments Off

Varenicline and suicidal behaviour

A recent study of suicidal behavior and depression in smoking cessation treatments has been published at PLoS ONE. This was widely reported in the media. The authors made the following statement within the paper: In conclusion, varenicline shows a substantial, … Continue reading

Posted in ADRs, FDA, MHRA | Comments Off

Bevacizumab (Avastin) and breast cancer

After reviewing all available data relating to the use of Avastin to treat metastatic breast cancer, the FDA has decided the risks of bevacizumab outweigh its benefits in breast cancer. They are recommending the loss of the breast cancer indication: … Continue reading

Posted in EMEA, FDA | Comments Off

Natalizumab (Tysabri) and progressive multifocal leukoencephalopathy (PML)

The FDA have reported on a continuing number of reports of progressive multifocal leukoencephalopathy associated with natalizumab: From July 2006, (when Tysabri marketing resumed) to September 8, 2009, 13 reported cases of Tysabri-related PML were confirmed worldwide in patients being … Continue reading

Posted in FDA | Comments Off

Metabolic acidosis and zonisamide

The FDA has issued a warning that zonisamide may be associated with metabolic acidosis in patients with with predisposing conditions or therapies. The young appear more at risk. Further info here. The FDA recommends that healthcare professionals measure serum bicarbonate … Continue reading

Posted in FDA | Comments Off

Clopidogrel and PPIs: reduced efficacy?

Interesting news from the FDA: The FDA is aware of published reports that clopidogrel (marketed as Plavix) is less effective in some patients than it is in others. Differences in effectiveness may be due to genetic differences in the way … Continue reading

Posted in FDA, Interactions | Comments Off

FDA Drug Safety Newsletter

The FDA Drug Safety Newsletter Volume 2, Number 1, 2009, has been published. It includes three postmarket reviews: Varenicline and Bubropion: Reports of suicidality associated with use of varenicline (marketed as CHANTIX) and bupropion (marketed as ZYBAN and GENERICS) Abacavir: … Continue reading

Posted in FDA | Comments Off

Montelukast (Singulair®) and neuropsychiatric events

The FDA review of montelukast has not yet reached a definitive conclusion regarding the clinical trial data on mood and behavioral adverse events with montelukast. Although initial analysis of trial data supplied by companies has not shown a link, there … Continue reading

Posted in FDA | Comments Off

ENHANCE study: FDA final review

The FDA have completed their review of the ENHANCE study, which compared ezetimibe plus simvastatin with simvastatin alone in patients with heterozygous familial hypercholesterolemia: The FDA has completed its review of the final clinical study report of ENHANCE. Following two … Continue reading

Posted in FDA | Comments Off

Rituxan (rituximab) and progressive multifocal leukoencephalopathy (PML)

The FDA have posted details of a warning by the manufacturer of rituximab concerning a case report of progressive multifocal leukoencephalopathy: Genentech informed healthcare professionals of revisions to prescribing information for Rituxan regarding a case of progressive multifocal leukoencephalopathy (PML) … Continue reading

Posted in FDA | Comments Off