{
  "release_id": "c7fb95f1d15a7d13",
  "id": "maternal:zuranolone",
  "owner": "maternal",
  "kind": "drug",
  "slug": "zuranolone",
  "name": "Zuranolone",
  "aliases": [],
  "atlases": [
    "maternal"
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  "summary_plain": "The active substance in Zurzuvae, a capsule for postpartum depression. It is a neuroactive steroid that acts on GABA-A receptors in the brain, as brexanolone does.",
  "summary_technical": "A positive allosteric modulator of synaptic and extrasynaptic GABA-A receptors and a neuroactive steroid (SKYLARK abstract). NIMH says it acts on similar brain receptors to brexanolone. RxNorm concept 2669905 (ingredient); FDA UNII 7ZW49N180B (openFDA drugsfda record). The approved product is Zurzuvae. The SKYLARK trial tested 50 mg a day for 14 days in severe postpartum depression (see the claims on this page). The recipient is the adult postpartum woman. Fetal harm is a labelled concern (FDA press announcement of 2023); no fetal or newborn outcome claim is recorded here.",
  "editorial_state": "draft",
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  "navigation": {
    "maternal": {
      "life-stage": [
        "postpartum"
      ],
      "care-area": [
        "maternal-mental-health"
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    }
  },
  "payload": {
    "level": "substance",
    "mechanism": "Positive allosteric modulator of synaptic and extrasynaptic GABA-A receptors (neuroactive steroid), as described in the SKYLARK abstract."
  },
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      "statement": "In SKYLARK, a double-blind phase 3 trial, 196 women with severe postpartum depression were randomized 1:1 to zuranolone 50 mg a day or placebo for 14 days (98 in each group), and 170 (86.7%) completed the 45-day study. At day 15, the primary endpoint, the average change from baseline in the 17-item Hamilton Depression Rating Scale (HAM-D) total score was -15.6 with zuranolone and -11.6 with placebo, a least-squares mean difference of -4.0 (95% CI -6.3 to -1.7). The authors report significant improvement at days 3, 28 and 45 too.",
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        "label": "Women aged 18 to 45 years with severe postpartum depression, 14-day oral course (SKYLARK, 2023)",
        "recipient": "maternal",
        "population": "Women with severe postpartum depression who were randomized 1:1 to zuranolone 50 mg a day or placebo for 14 days. The registry gives the age range as 18 to 45 years and the sex as female. The abstract says severe postpartum depression but prints no score cut-off or onset window.",
        "care_setting": "Not stated in the abstract. The registry lists study sites in the United States, Spain and the United Kingdom.",
        "geography": "United States, Spain and United Kingdom (registry locations)",
        "life_stage_note": "Postpartum. The abstract and the registry fields read give no postnatal age limits.",
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        "followup_description": "45-day study: 14 days of treatment, primary endpoint at day 15, secondary endpoints at days 3, 28 and 45 (abstract).",
        "eligibility": {
          "inclusion": [
            "Women aged 18 to 45 years (registry)",
            "Severe postpartum depression (abstract)"
          ],
          "exclusion": [
            "Not stated in the parts of the abstract and registry fields that were read"
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      "certainty": "not_assessed",
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      "limitations": "Only the PubMed abstract was read, not the full paper. PubMed lists an erratum for the paper (PMID 39659161) that has no abstract and was not read, so these numbers are as printed in the abstract and may have been corrected. The registry names an industry lead sponsor (Biogen). The trial enrolled women with severe postpartum depression, so the result does not apply to milder illness. A rating-scale change at day 15 is not remission or relapse, and follow-up ended at day 45. The registry records 200 enrolled while the abstract prints 196 randomized; both counts are kept on the study page.",
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