Last update Feb. 5, 2022

Brexanolone

Low Risk

Possibly safe. Probably compatible. Mild risk possible. Follow up recommended. Read the Comment.

Progesterone metabolite, GABA-A receptor modulator, used in the treatment of postpartum depression.

Administration in continuous intravenous infusion for 60 hours.

It is excreted in human milk in a clinically non-significant amount. (FDA 2019, Hoffmann 2019)

No problems have been observed in infants whose mothers it was given. (FDA 2019)

It can cause excessive sedation and loss of consciousness during its administration, so the mother must be monitored and attended.(FDA 2019)

It is not recommended to share a bed with the baby or remain unattended while breastfeeding during the administration of the product.

Alternatives

Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it. The pharmaceutical industry contraindicates breastfeeding, mistakenly and without scientific reasons, in most of the drug data sheets.

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Other names

Brexanolone is also known as


Brexanolone in other languages or writings:

Group

Brexanolone belongs to this group or family:

Pharmacokinetics

Variable Value Unit
Oral Bioavail. <5% %
Molecular weight 319 daltons
Protein Binding 99 %
VD 3 l/Kg
pKa 18.3 -
T½ 9 hours
Theoretical Dose < 0.0015 mg/Kg/d
Relative Dose 1 - 2 %

References

  1. FDA. Brexanolone (Zulresso). Drug Summary. 2019 Full text (in our servers)
  2. Hoffmann E, Wald J, Colquhoun H. Evaluation of breast milk concentrations following brexanolone iv administration to healthy lactating women. Am J Obstet Gynecol 2019;220:S554. Abstract 850. doi:10.1016/j.ajog.2018.11.873. Abstract
  3. Hoffmann E, Wald J, Dray D, Colquhoun H. Brexanolone injection administration to lactating women: Breast milk allopregnanolone levels. Obstet Gynecol. 2019;133 Suppl 1:115S–Abstract 30J. Abstract

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