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As part of its commitment to keep the American public fully informed about the status of its review of data concerning the use of antidepressants in pediatric patients, the Food and Drug Administration (FDA) is issuing this update to provide health care providers and patients with the most current information on this topic.
FDA has completed a new analysis of pediatric suicidality (suicidal thoughts and actions) data submitted to the agency and will be posting its analysis on its web site. FDA will also be posting on its web site additional summaries of pediatric efficacy studies from drugs that have been studied in depression in pediatric patients. Although specific new labeling language has yet to be developed, FDA will assure that the labels of the antidepressants used in pediatric patients reflect the most recent information obtained from these studies and analyses.
Next month, on September 13 and 14, 2004, FDA officials will be discussing this issue at a public meeting of its Psychopharmacologic Drugs and Pediatric Advisory Committees, at which time the agency will hear from the public and solicit the advice of the committees on these labeling changes and other possible regulatory actions.
FDA has been closely reviewing the results of antidepressant studies in children since June 2003, after an initial report on studies with paroxetine (Paxil) appeared to suggest an increased risk of suicidal thoughts and actions in the children given Paxil, compared to those given placebo. Later reports on studies of other drugs supported the possibility of an increased risk of suicidal thoughts and actions in children taking these drugs. There were no suicides in any of the trials.
FDA has closely examined the studies of the antidepressants because of the potential public health impact of a link between the drugs and suicidality and the importance of these drugs in treating depression and other serious mental health conditions. On close examination of the initial reports of suicidality, it was unclear whether some of the identified suicidal behaviors reported in these studies represented actual suicide attempts or self-injurious behavior that was not suicide-related. FDA therefore arranged with Columbia University suicidality experts to review these reports.
Meanwhile, FDA brought the available information to its Psychopharmacologic Drugs Advisory Committee (PDAC) and Pediatric Subcommittee of the Anti-Infective Drugs Advisory Committees on February 2, 2004. The advisory committee members advised FDA that even before the Columbia analysis was complete, the labeling should draw more attention to the need to monitor patients closely when antidepressant therapy is initiated. Based on this recommendation, FDA asked manufacturers to change the labels of ten drugs to include stronger cautions and warnings about the need to monitor patients for worsening of depression and the emergence of suicidality, whether such worsening represents an adverse effect of the drug or failure of the drug to prevent such worsening. The new warning language has now been added to the labels for seven of these products. Sponsors for the other three drugs have agreed to adopt the language.
Because of concerns about whether the varied events identified by sponsors under the broad category of "possibly suicide-related" could all reasonably be considered to represent suicidality, FDA asked Columbia University to assemble an international panel of pediatric suicidality experts to undertake a blinded review of the reported behaviors using a rigorous classification system. The Columbia group submitted its completed review to FDA last month.
FDA has developed its analysis of the pediatric suicidality data, based on case classifications provided by Columbia University, and will be posting the analysis on its web site. While there are findings among these data suggestive of an increased risk of suicidality for some of these drugs, there remain inconsistencies in the results, both across trials for individual drugs and across drugs. Thus, an overall interpretation of these findings represents a substantial challenge.
FDA's next step, planned for some time, will be to update the Psychopharmacologic Drugs and the Pediatric Advisory Committees about the results of these reviews and to seek assistance from the committees in interpreting the data and in considering what additional regulatory actions may be needed to promote the safe use of these drugs.
As a public health agency, FDA must weigh the possibility of an increased risk of suicidality in young patients taking these drugs against the known risk of suicide in patients whose depression goes untreated.
FDA will be bringing the following issues and draft questions to the committees for their input:
The meeting will be held in Bethesda, Maryland on September 13 and 14, 2004. So that all interested parties will have ample opportunity to review the information to be discussed next month, FDA will be posting information on its website at http://www.fda.gov/cder/pediatric/Summaryreview.htm and http://www.fda.gov/ohrms/dockets/ac/04/briefing/2004-4065b1.htm.