An injectable drug, brexanolone, showed some effectiveness in treating postpartum depression in two phase 3 double-blind randomized controlled trials including 247 women from 30 different research centers, according to research led by the University of North Carolina. Their research showed reductions in reported depression symptoms among study volunteers receiving either the drug or placebo (17 points for those on the drug, compared to a reduction of 12.8 points reduction for those on a placebo).
This study about a potential new drug is important, but the way it is reported leaves holes for the reader. The research was funded by the drug maker, Sage Therapeutics, and the two researchers quoted in the release have financial links to the drug manufacturer. The release should have given us more context about the amount of improvement, and been straightforward about the conflicts of interest.
The American Psychological Association estimates that up to one-in-seven women in the US suffer from some form of postpartum depression, and this disorder can linger for some of them and interfere with their bonding with their child. Existing treatments, such as talk therapy and antidepressants are not always successful and may take weeks to improve the situation.
If approved by the FDA, the drug could be an advance in the treatment of postpartum depression which is common and sometimes serious.
The news release does not mention costs. While a new therapy may not have an established price, the release could have stated “no price is available for this drug.” What would be even better is some context for what women suffering from postpartum pay typically for counseling and medications.
The release notes that there was a reduction in depressive symptoms of 17 points for those on the drug, and 12.8 for those in the placebo group based on the Hamilton Depression Rating Scale. The absolute reduction in the rating scale is given for each group. This information would have been much more helpful if the release also clarified the magnitude of the scale and whether a 4.2-point difference is clinically meaningful.
The release contains one somewhat vague sentence on harms.
The most common (≥10% of subjects) adverse events following during brexanolone injection administration were headache, dizziness and somnolence.
Readers would also be interested in details on whether the drug is safe for nursing infants. That’s not mentioned.
The double-blinded randomized trials are described in detail and readers are able to judge the quality of the evidence. The published study includes an important limitation of the research that’s not mentioned in the release: The trials assessed women for only 30 days; the effects of the treatment beyond 30 days are “unknown.”
There is no disease mongering. The release explains how common postpartum depression is worldwide.
The release notes that Sage Therapeutics funded the research.
Sage Therapeutics is the developer of brexanolone injection and sponsor of the trials. A New Drug Application is currently under review by the FDA and brexanolone injection has been granted Breakthrough Therapy Designation. The FDA has assigned a Prescription Drug User Fee Act target date of December 19, 2018.
What the release doesn’t tell us is that both quoted researchers disclosed financial ties with Sage Therapeutics. This information was included in the studies published in the Lancet.
SM-B reports personal fees from MedScape and grants from Sage Therapeutics, awarded to the University of North Carolina … DRR reports personal fees and has stock options in Sage Therapeutics….
The release mentions that women currently can receive antidepressants for postpartum depression, but that the new drug being studied goes to work relieving symptoms faster than traditional antidepressants — days rather than weeks.
The release notes that the drug is currently under FDA review, with a decision on its approval expected by the end of the year.
The release notes that the new drug would be a novel treatment for postpartum depression, if approved.
There is no unjustifiable language.
Systematic, Criteria-Driven
NO! NO! NO! @TheHeartOrg - This study was on rabbits, and is at least 2 yrs away from human trials. THAT should be the headline, not "breakthrough". Journalists, pls check this @HealthNewsRevu toolkit when writing about animal studies. https://t.co/QFznfsn4ag https://t.co/L1WIStfV8G
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