FDA, HMOs to Analyze Medication Effects on 1 Million U.S. Births
Daniel J. DeNoon
WebMD Health News
Reviewed By Louise Chang, MD
Dec. 31, 2009 -- How do common medications affect pregnancy? To the chagrin of women trying to decide whether they must forego helpful medicines during pregnancy, nobody really knows.
Now -- at long last -- the FDA and a consortium of HMOs have launched a huge set of studies to find out.
"These data will guide regulatory policy and influence medical practice," FDA Commissioner Margaret Hamburg, MD, says in a news release.
Two out of three pregnant women in the U.S. take some kind of medicine during pregnancy. Yet very few drugs are tested in pregnant women.
What data now exists comes from two sources:
- Pregnancy registries, mostly maintained by drug makers, that collect reports from pregnant women using various medications.
- Animal studies. However, drugs may be safer or more dangerous to humans than to the animals used in the studies.
Now comes the Medication Exposure in Pregnancy Risk Evaluation Program (MEPREP). The program is a collaboration between the FDA, Kaiser Permanente, Vanderbilt University (using Tennessee Medicaid data), and a consortium of HMOs called the HMO Research Network Center for Education and Research in Therapeutics (managed by Harvard University).
The study will analyze health care data on about 1 million U.S. births from 2001 to 2007. The idea is to gather information on all medications prescribed for pregnant women and to look for health effects and birth outcomes.
"Results of these studies will provide valuable information for patients and physicians when making decisions about medication during pregnancy," Gerald Dal Pan, MD, director of the Office of Surveillance and Epidemiology at the FDA's Center for Drug Evaluation and Research, says in the news release.
Until the data become available, women and their doctors will have to make their own decisions on whether a drug provides enough of a benefit to pregnant women to override concerns about possible risk.
To help women make these decisions, the Department of Health and Human Services maintains a web site detailing what is and isn't known about the use of medications during pregnancy.
The FDA maintains a list of pregnancy registries for pregnant women to report their medication experiences.
WebMD maintains a list of medications generally considered safe to take during pregnancy.
Pregnancy and Parenting Resources
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WebMD Medical Reference: "Taking Medicine During Pregnancy."
WomensHealth.gov web site.
FDA web site.
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