Last update Sept. 7, 2022

Nabilone

Likely Compatibility

Fairly safe. Mild or unlikely adverse effects. Compatible under certain circumstances. Follow-up recommended. Read Commentary.

Nabilone, a synthetic cannabinoid structurally similar to delta-9-THC in cannabis, has antiemetic properties and is used for the control of nausea and vomiting associated with cancer chemotherapy in patients who have not responded adequately to conventional antiemetics (Martindale). Also in anorexia and weight loss in patients with HIV (DrugBank). Oral administration in two to three daily doses.

Since the last update we have not found published data on its excretion in breastmilk.

Its pharmacokinetic data (very high percentage of protein binding, and very wide volume of distribution) make it highly unlikely that significant quantities will pass into breast milk.

The elimination half-life of nabilone is 2 hours; that of its metabolites, which are unknown if they are active, of 35 hours. (Martindale)

Nabilone does not alter plasma levels of prolactin. (Mendelson 1984)

A punctual use or at the minimum effective dose could be compatible with breastfeeding by monitoring the infant's neurological and feeding status.

Until more published data is known about this drug in relation to breastfeeding, known safer alternatives are preferable, especially during the neonatal period and in the event of prematurity.

Alternatives

  • Domperidone (Safe substance and/or breastfeeding is the best option.)
  • Metoclopramide (Safe substance and/or breastfeeding is the best option.)
  • Ondansetron (Safe substance and/or breastfeeding is the best option.)

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.

Jose Maria Paricio, Founder & President of APILAM/e-Lactancia

Your contribution is essential for this service to continue to exist. We need the generosity of people like you who believe in the benefits of breastfeeding.

Thank you for helping to protect and promote breastfeeding.

José María Paricio, founder of e-lactancia.

Other names

Nabilone in other languages or writings:

Groups

Nabilone belongs to these groups or families:

Tradenames

Main tradenames from several countries containing Nabilone in its composition:

Pharmacokinetics

Variable Value Unit
Oral Bioavail. 95.8 %
Molecular weight 373 daltons
Protein Binding ≥ 90 %
VD 12.5 l/Kg
pKa 9.33 -
Tmax 2 hours
2 (metab: 35) hours

References

  1. DRUGBANK ONLINE. DrugBank.com 2006 - Consulted on Jan. 9, 2024 Full text (link to original source)
  2. Royal Pharmaceutical Society. Martindale: The Complete Drug Reference Medicines Complete. available online from: https://www.medicinescomplete.com 2022 Abstract
  3. Teva. Nabilone. Drug Summary. 2012 Full text (in our servers)
  4. McGilveray IJ. Pharmacokinetics of cannabinoids. Pain Res Manag. 2005 Autumn;10 Suppl A:15A-22A. Review. Abstract
  5. Mendelson JH, Ellingboe J, Mello NK. Acute effects of natural and synthetic cannabis compounds on prolactin levels in human males. Pharmacol Biochem Behav. 1984 Jan;20(1):103-6. Abstract

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