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Advances in pharmacotherapy for postpartum depression: a structured review of standard-of-care antidepressants and novel neuroactive steroid antidepressants.

ABSTRACT: Postpartum depression is one of the most common morbidities of childbearing, yet it is underdiagnosed and undertreated with negative consequences for mother and offspring. Despite the widespread use of standard-of-care antidepressants as the mainstay of treatment for postpartum depression, there is limited evidence on their safety and efficacy due to their slow onset of action and suboptimal outcomes. The emergence of gamma-aminobutyric acidergic neuroactive steroids may offer faster response and remission times and improved patient outcomes. This article reviews the evidence base for the efficacy of standard-of-care antidepressants, hormonal therapeutics including progestins and estradiol, and gamma-aminobutyric acidergic neuroactive steroids in the treatment of postpartum depression, as well as the safety of infant exposure to these agents during lactation.

SUBMITTER: Kaufman Y

PROVIDER: S-EPMC8801644 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Advances in pharmacotherapy for postpartum depression: a structured review of standard-of-care antidepressants and novel neuroactive steroid antidepressants.

Kaufman Yardana Y Carlini Sara V SV Deligiannidis Kristina M KM

Therapeutic advances in psychopharmacology 20220128

Postpartum depression is one of the most common morbidities of childbearing, yet it is underdiagnosed and undertreated with negative consequences for mother and offspring. Despite the widespread use of standard-of-care antidepressants as the mainstay of treatment for postpartum depression, there is limited evidence on their safety and efficacy due to their slow onset of action and suboptimal outcomes. The emergence of gamma-aminobutyric acidergic neuroactive steroids may offer faster response an ...[more]

PMID: 35111296

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Project description:Postpartum depression is one of the most common complications of childbirth. Untreated postpartum depression can have substantial adverse effects on the well-being of the mother and child, negatively impacting child cognitive, behavioral, and emotional development with lasting consequences. There are a number of therapeutic interventions for postpartum depression including pharmacotherapy, psychotherapy, neuromodulation, and hormonal therapy among others, most of which have been adapted from the treatment of major depressive disorder outside of the peripartum period. Current evidence of antidepressant treatment for postpartum depression is limited by the small number of randomized clinical trials, underpowered samples, and the lack of long-term follow-up. The peripartum period is characterized by rapid and significant physiological change in plasma levels of endocrine hormones, peptides, and neuroactive steroids. Evidence supporting the role of neuroactive steroids and ?-aminobutyric acid (GABA) in the pathophysiology of postpartum depression led to the investigation of synthetic neuroactive steroids and their analogs as potential treatment for postpartum depression. Brexanolone, a soluble proprietary intravenous preparation of synthetic allopregnanolone, has been developed. A recent series of open-label and placebo-controlled randomized clinical trials of brexanolone in postpartum depression demonstrated a rapid reduction in depressive symptoms, and has led to the submission for regulatory approval to the US Food and Drug Administration (decision due in March 2019). SAGE-217, an allopregnanolone analog, with oral bioavailability, was recently tested in a randomized, double-blind, placebo-controlled phase III study in severe postpartum depression, with reportedly positive results. Finally, a 3?-methylated synthetic analog of allopregnanolone, ganaxolone, is being tested in both intravenous and oral forms, in randomized, double-blind, placebo-controlled phase II studies in severe postpartum depression.

Project description:RationalePremenstrual dysphoric disorder (PMDD) affects approximately 5% of menstruating individuals, with significant negative mood symptoms in the luteal phase of the menstrual cycle. PMDD's pathophysiology and treatment mechanisms are poorly characterized, but may involve altered neuroactive steroid function in the brain. Selective serotonin reuptake inhibitors (SSRIs), a first-line PMDD treatment, reportedly alter gamma-aminobutyric acid (GABA)ergic neuroactive steroid levels in PMDD.AimsThe aims of this study were to determine whether the SSRI sertraline increased serum levels of neuroactive steroids that modulate the effect of GABA at GABA-A receptors (GABAAR) and if so, whether an increase was associated with improvement in PMDD symptoms.MethodsParticipants included controls and individuals with PMDD. Serum levels of 9 neuroactive steroids were measured (3α,5α-THP; 3α5β-THP; pregnenolone; 3α,5α-androsterone; 3α,5β-androsterone; 3α,5α-A-diol; 3α5β-A-diol; 3α,5α-THDOC; 3α5β-THDOC) in the follicular and luteal phases. In the subsequent luteal phase, neuroactive steroids were measured during sertraline treatment (50 mg sertraline from approximate ovulation to menses onset) in the PMDD group. Mixed models assessed associations among diagnostic group, menstrual cycle phase, and sertraline treatment.ResultsParticipants included 38 controls and 32 women with PMDD. There were no significant differences in neuroactive steroid levels between controls and participants with PMDD in the luteal phase (p > 0.05). Within the PMDD group, sertraline treatment significantly increased serum pregnanolone levels and the pregnanolone:progesterone ratio, and decreased 3α,5α-androsterone.ConclusionsThis was the first study to assess the impact of SSRI treatment on peripheral levels of GABAergic neuroactive steroids in PMDD. Within the PMDD group, sertraline treatment was associated with a significant increase in luteal phase serum pregnanolone levels and a significantly increased pregnanolone:progesterone ratio, a novel finding. Future research should examine alterations in the metabolic pathways among GABAergic neuroactive steroids in individuals with PMDD, in a placebo-controlled design.

Project description:Positive modulation of GABA(A) and antagonism of N-methyl-D-aspartate receptors mediate the discriminative stimulus effects of ethanol. Endogenous neuroactive steroids produce effects similar to ethanol, suggesting that these steroids may modulate ethanol addiction. The four isomers of the functional esters at C-3 of the 3-hydroxy metabolites of 4-pregnene-3,20-dione (progesterone) [allopregnanolone (3alpha,5alpha-P), pregnanolone (3alpha,5beta-P), epiallopregnanolone (3beta,5alpha-P), and epipregnanolone (3beta,5beta-P)], a synthetic analog of steroids modified by endogenous sulfation [pregnanolone hemisuccinate (3alpha,5beta-P HS)], and a structurally similar, adrenally derived steroid [3alpha-hydroxy-5-androstan-17-one (3alpha,5alpha-A, androsterone)] were assessed for ethanol-like discriminative stimulus effects at 30 or 60 min after administration in male (n = 9) and female (n = 8) cynomolgus monkeys (Macaca fascicularis) trained to discriminate 1.0 or 2.0 g/kg ethanol (i.g.) with a 30-min pretreatment interval. The 3alpha-hydroxysteroids completely substituted for ethanol (80% of cases), whereas the 3beta-hydroxysteroids and 3alpha,5beta-P HS rarely substituted for ethanol (6% of cases). There were no sex differences. Compared with monkeys trained to discriminate 2.0 g/kg ethanol, 3alpha,5beta-P and 3alpha,5alpha-A substituted more potently in monkeys trained to discriminate 1.0 g/kg ethanol. Compared with the 5beta-reduced isomer (3alpha,5beta-P), the 5alpha isomer of pregnanolone (3alpha,5alpha-P) substituted for ethanol with 3 to 40-fold greater potency but was least efficacious in female monkeys trained to discriminate 2.0 g/kg ethanol. The data suggest that the discriminative stimulus effects of lower doses (1.0 g/kg) of ethanol are mediated to a greater extent by 3alpha,5beta-P- and 3alpha,5alpha-A-sensitive receptors compared with higher doses (2.0 g/kg). Furthermore, the discriminative stimulus effects of ethanol appear to be mediated by activity at binding sites that are particularly sensitive to 3alpha,5alpha-P.

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Advances in pharmacotherapy for postpartum depression: a structured review of standard-of-care antidepressants and novel neuroactive steroid antidepressants.

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Advances in pharmacotherapy for postpartum depression: a structured review of standard-of-care antidepressants and novel neuroactive steroid antidepressants.

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