FDA Denies Part of Contraceptive Study Group Petition

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FDA has denied a request in a 5/9/19 petition submitted by Dr. William Williams of the Contraceptive Study Group asking that a Boxed Warning be added to prescribing information and patient-related materials for all combined hormonal contraceptives (CHC) on an increased risk of breast cancer. The agency response says other requests in the petition will be addressed at a later date.

“We do not agree … that a Boxed Warning regarding breast cancer risk is appropriate for the CHC product class,” the letter says. “However, based on the agency’s review of relevant scientific literature, FDA approved a safety labeling change for CHCs on 4/29 to better reflect the agency’s current assessment of breast cancer risk associated with the use of these products.”

The agency response says that taken as a whole, the weight of the evidence based on the studies cited in the petition does not support the claim that CHC use is associated with a significant risk of breast cancer.

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