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Health Agencies Update |

Blood Clot Risk

Bridget M. Kuehn
JAMA. 2011;306(16):1750-1750. doi:10.1001/jama.2011.1538
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Oral contraceptives containing drospirenone may be associated with a higher risk of venous thromboembolism (VTE) than birth control pills without this ingredient, according to a US Food and Drug Administration (FDA) safety update.

The FDA issued the update in late September to alert the public that preliminary results from an agency study found a 1.5-fold increase in VTE among women taking oral contraceptives containing drospirenone compared with users of other hormonal contraceptives (http://www.fda.gov/Drugs/DrugSafety/ucm273021.htm). Previously, the agency had announced it was evaluating conflicting data on whether a higher risk of VTE was associated with drospirenone use compared with use of birth control pills containing levonorgestrel or other progestins.

The agency is continuing its review of the safety of drospirenone-containing contraceptives and will convene an advisory committee hearing on December 8 to assist in the process.

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