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Major Depressive Disorder

Pharmacologic Treatment of Perinatal Depression

Author/s: 
Emily S. Miller, S. Karlene Cunningham, Lauren M. Osborne

Approximately 1 in 7 individuals are affected by perinatal depression, defined as a depressive episode occurring during pregnancy or within 12 months after delivery. Although the diagnostic criteria are similar to those of major depressive disorder, perinatal depression may also include symptoms such as difficulty forming an emotional attachment with the fetus or infant, persistent doubts about parenting abilities, and intrusive thoughts of harm to self or infant.1 Mental health conditions are leading contributors to maternal mortality in the US; among reporting states, the rate of death from perinatal suicide ranges from 4.2 to 21.4 per 100 000 pregnancies.2 Untreated or undertreated perinatal depression increases other maternal risks, including limited engagement in care, impaired relationships, substance use, preeclampsia, and suicide, as well as fetal or neonatal risks, including preterm birth, low birth weight, and disrupted attachment with long-term developmental consequences.3 Individuals from marginalized communities, such as those who are non–English speaking, uninsured, or geographically isolated, experience a higher prevalence of perinatal depression and are at increased risk of underdiagnosis and undertreatment.3

Risk factors for perinatal depression include a personal or family history of depression, abuse, stressful life events, low socioeconomic status, adolescent or single parenthood, and pregnancy complications, such as preterm birth or pregnancy loss. Each factor individually confers only a small increase in risk, making accurate prediction based on clinical factors challenging.4 Therefore, to facilitate early identification and treatment, universal screening during and after pregnancy is recommended. The American College of Obstetricians and Gynecologists (ACOG) recently issued 2 Clinical Practice Guidelines on perinatal mental health, 1 on screening and diagnosis5 and 1 on treatment and management,3 highlighting opportunities for obstetricians to address existing health gaps.

Keywords 
Pharmacology Perinatal Depression Major Depressive Disorder abuse depression

Individualized antidepressant therapy in patients with major depressive disorder: Novel evidence-informed decision support tool

Author/s: 
Chin, T., Huyghebaert, T., Svrcek, C., Oluboka, O.

Objective: To introduce a visual clinical decision support tool to assist with individualizing first-line antidepressant pharmacotherapy for adults with major depressive disorder (MDD) in a Canadian context.

Sources of information: A literature review was conducted with Google Scholar, PubMed, the Cochrane Database of Systematic Reviews, and Trip Pro using the MeSH headings depression, antidepressive agents, primary care, practice patterns, medication adherence, and decision making, shared.

Main message: Major depressive disorder affects about 4.7% of Canadians annually and is a prevalent condition encountered and diagnosed in primary care. Untreated depression is associated with decreased quality of life, increased risk of suicide, and worsening physical health outcomes when depression co-occurs with other chronic medical conditions. In a network meta-analysis, antidepressant medications (such as selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, bupropion, and vortioxetine) reduced depressive symptoms by 50% or more when compared with placebo in acute treatment of adults with moderate to severe MDD. Poor treatment adherence and high discontinuation rates limit MDD treatment success. Factors such as strong therapeutic alliances between patients and prescribers, collaborative care, patient education, and supportive self-management have been shown to enhance treatment adherence. The most recent Canadian Network for Mood and Anxiety Treatments depression treatment guidelines (published in 2016) suggest 15 different first-line antidepressant medication options for the treatment of MDD. There is a need for evidence-informed decision support aids to individualize antidepressant therapy to treat patients diagnosed with MDD.

Conclusion: Recent studies on antidepressants have indicated no single antidepressant is superior to others in treating patients with MDD. This suggests there may be opportunities to enhance treatment adherence and success by tailoring antidepressant therapy to align with each patient's preferences. The Antidepressant Decision Support Tool was developed to help prescribers and adult patients engage in shared decision making to select an individualized and optimal first-line antidepressant for the treatment of acute MDD.

Keywords 
Systematic Reviews as Topic antidepressive agents Serotonin Uptake Inhibitors Major Depressive Disorder SSRI
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