September 25, 2009

Anti-Depressants Again Linked To Birth Defects

A new study out in the BMJ yet again links anti-depressants to birth defects due to women taking anti-depressants in the first trimester of a pregnancy.

"Still, the authors said the absolute risk is relatively low: 246 women would have to take such medication in order to see one septal heart defect. And 62 mothers would have to take more than one SSRI to see a problem in one child.

"'A potential association with malformations must be considered in the choice of treatment of depression during pregnancy,' said Dr. Lars Henning Pedersen, lead author and a research assistant in the department of epidemiology at Aarhus University in Denmark. However, 'if our data is correct, the absolute risk is low, which must be balanced against the potential substantial risk of under- or untreated depression during pregnancy.'"

Oddly enough, the study didn't turn up problems with Paxil--usually thought to be the worst of anti-depressants for birth defects--and Prozac. The risks were seen with Zoloft and Celexa (and that would mean Lexapro too).

While the risk isn't high in an absolute sense--less than one-half of 1 percent--that's small comfort to a pregnant woman taking anti-depressants.

I've long considered the evidence of birth defects problems with anti-depressants to be mixed. Now, I'm more convinced than ever that something is going on here.

Posted by Philip Dawdy at September 25, 2009 12:05 AM
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I'm pretty sick of seeing all these references to "the risks of untreated or under-treated depression." While certainly depression carries the risk of suicide, it's not like every depressed person is suicidal. The "risk" of not taking drugs! As if antidepressants were so effective when it's already known half those who take them aren't helped.

Consider how depressed one might become if one has a baby with birth defects!

Posted by: Miranda at September 25, 2009 08:20 AM

Excuse me? One in 246 gets a septal heart defect and that's LOW??? I totally disagree, especially in light of the studies showing these drugs do barely better than placebo. This is totally unacceptable.

Where are the right-to-lifers and their much vaunted concern for babies when you need them?

Posted by: Sherry at September 25, 2009 08:24 AM

This study only looked at “Heart Defects” and some information only pertains to “septal heart defects”.

"...researchers looked at almost 500,000 children born in Denmark between 1996 and 2003..."

I wonder why they used data from over 6 years ago for this "new” study.

In my opinion; most research studies find what they are LOOKING for. Do we know who funded this study? Wonder why it’s coming out now.

A search on FDAble.com under Paxil and Paroxetine using the description “Congenital” (conditions that are present at birth) yielded 1974 reports listing the drug as the Primary Suspect and 2142 listing the drug but not as Primary.

The other SSRI’s and SNRI’s with the same search words were under 200 reports each.

Posted by: Damaged at September 25, 2009 09:01 AM

One in 246 is not low. Usually downs syndrome risk for a woman of age 35 is quoted as about one in 250 and that is usually called "High." Women are frequently pressed into dangerous genetic prenatal testing for risks far lower than half of a percent.

I'm also not surprised that other SSRIs are proving problematic, though I'm sure the other drug manufacturers were happy for Paxil to take the fall initially.

Posted by: Tilting at Windmills at September 25, 2009 12:30 PM

I'm sorry for posting again, but this is just really getting my goat (can you tell I was recently pregnant?). Women are publicly chastised for ingesting even a tiny drop of alcohol (even in the third trimester) and cautioned strongly against eating certain cheeses, smoked fish, deli meats and for g-d's sake we're even told not to eat out of a *salad bar* to avoid largely miniscule prenatal risks. And then we're told in the next breath to trust that anti-depressants are actually *good* for us, and *good* for our babies, because they "protect against the risks of untreated depression," and to consider any drug risks to be small because, oh, there's a 99% chance everything will be fine. I so wish we had some vague sense of relative risk as a culture. I bet dollars to donuts that first-trimester-SSRI is way riskier than a trip to the salad bar.

Posted by: Tilting at Windmills at September 25, 2009 12:38 PM

Further fresh information on anti depressant created metabolic disturbances comes from September 1, 2009 American Journal of Psychiatry of a study by R.D. Jindal. The study: "Long Term antidepressant use and risk for diabetes: Cause for concern and optimism" American Journal of Psychiatry, September 1, 2009. Results from the study found daily doses of moderate amounts of antidepressants is equatable to higher risk for diabetes over the long term.

Posted by: Harry Horton at September 30, 2009 12:02 PM
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