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boxed warning
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS Antidepressants increased the risk of suicidal thoughts and behavior in children, adolescents, and young adults in short-term studies. These studies did not show an increase in the risk of suicidal thoughts and behavior with antidepressant use in patients over age 24; there was a reduction in risk with antidepressant use in patients aged 65 and older [see WARNINGS AND PRECAUTIONS (5.1)] . In patients of all ages who are started on antidepressant therapy, monitor closely for worsening, and for emergence of suicidal thoughts and behaviors. Advise families and caregivers of the need for close observation and communication with the prescriber [see WARNINGS AND PRECAUTIONS (5.1)] . Desvenlafaxine extended-release tabletsare not approved for use in pediatric patients [see USE IN SPECIFIC POPULATIONS (8.4)] .
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warnings and cautions
5.1 Suicidal Thoughts and Behaviors in Pediatric and Young Adult Patients Patients with MDD, both adult and pediatric, may experience worsening of their depression and/or the emergence of suicidal ideation and behavior (suicidality) or unusual changes in behavior, whether or not they are taking antidepressant medications, and this risk may persist until significant remission occurs. Suicide is a known risk of depression and certain other psychiatric disorders, and these disorders themselves are the strongest predictors of suicide. There has been a long-standing concern, however, that antidepressants may have a role in inducing worsening of depression and the emergence of suicidality in certain patients during the early phases of treatment. Pooled analyses of short-term placebo-controlled studies of antidepressant drugs (SSRIs and others) showed that these drugs increase the risk of suicidal thinking and behavior (suicidality) in children, adolescents, and young adults (ages 18 to 24) with major depressive disorder (MDD) and other psychiatric disorders. Short-term studies did not show an increase in the risk of suicidality with antidepressants compared to placebo in adults beyond age 24; there was a reduction with antidepressants compared to placebo in adults aged 65 and older. The pooled analyses of placebo-controlled studies in children and adolescents with MDD, obsessive compulsive disorder (OCD), or other psychiatric disorders included a total of 24 short- term studies of 9 antidepressant drugs in over 4,400 patients. The pooled analyses of placebo- controlled studies in adults with MDD or other psychiatric disorders included a total of 295 short-term studies (median duration of 2 months) of 11 antidepressant drugs in over 77,000 patients. There was considerable variation in risk of suicidality among drugs, but a tendency toward an increase in the younger patients for almost all drugs studied. There were differences in absolute risk of suicidality across the different indications, with the highest incidence in MDD. The risk differences (drug vs. placebo), however, were relatively stable within age strata and across indications. These risk differences (drug-placebo difference in the number of cases of suicidality per 1,000 patients treated) are provided in Table 1. Table 1 Age Range Drug-Placebo Difference in Number of Cases of Suicidality per 1,000 Pat...
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adverse reactions
The following adverse reactions are discussed in greater detail in other sections of the label. Hypersensitivity [see CONTRAINDICATIONS (4)] Suicidal Thoughts and Behaviors in Pediatric and Young Adult Patients [see WARNINGS AND PRECAUTIONS (5.1)] Serotonin Syndrome [see WARNINGS AND PRECAUTIONS (5.2)] Elevated Blood Pressure [see WARNINGS AND PRECAUTIONS (5.3)] Increased Risk of Bleeding [see WARNINGS AND PRECAUTIONS (5.4)] Angle Closure Glaucoma [see WARNINGS AND PRECAUTIONS (5.5)] Activation of Mania/Hypomania [see WARNINGS AND PRECAUTIONS (5.6)] Discontinuation Syndrome [see WARNINGS AND PRECAUTIONS (5.7)] Seizure [see WARNINGS AND PRECAUTIONS (5.8)] Hyponatremia [see WARNINGS AND PRECAUTIONS (5.9)] Interstitial Lung Disease and Eosinophilic Pneumonia [see WARNINGS AND PRECAUTIONS (5.10)] Sexual Dysfunction [see WARNINGS AND PRECAUTIONS (5.11)] 6.1 Clinical Studies Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in clinical practice. Patient Exposure Desvenlafaxine extended-release tablets were evaluated for safety in 8,394 patients diagnosed with major depressive disorder who participated in multiple-dose pre-marketing studies, representing 2,784 patient-years of exposure. Of the total 8,394 patients exposed to at least one dose of desvenlafaxine extended-release tablets; 2,116 were exposed to desvenlafaxine extended-release tablets for 6 months, representing 1,658 patient-years of exposure, and 421 were exposed for one year, representing 416 patient-years of exposure. Adverse Reactions Reported as Reasons for Discontinuation of Treatment In the pre-marketing pooled 8-week placebo-controlled studies in patients with MDD, 1,834 patients were exposed to desvenlafaxine extended-release tablets (50 to 400 mg). Of the 1,834 patients, 12% discontinued treatment due to an adverse reaction, compared with 3% of the 1,116 placebo-treated patients. At the recommended dose of 50 mg, the discontinuation rate due to an adverse reaction for desvenlafaxine extended-release tablets (4.1%) was similar to the rate for placebo (3.8%). For the 100 mg dose of desvenlafaxine extended-release tablets the discontinuation rate due to an adverse reaction was 8.7%. T...