Last update Feb. 19, 2021
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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Belimumab in other languages or writings:
Belimumab belongs to these groups or families:
Main tradenames from several countries containing Belimumab in its composition:
|M/P ratio||0.002 - 0.004||-|
|Theoretical Dose||0.018 - 0.026||mg/Kg/d|
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e-lactancia is a resource recommended by Asociación Pro Lactancia Materna (APROLAM) of Mexico
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IgG1λ human monoclonal antibody that is used for the treatment of systemic lupus erythematosus.
Intravenous administration every 2 to 4 weeks.
ts very high molecular weight explains the negligible passage to breast milk observed (Saito 2020), since molecules of more than 800 - 1,000 Da do not pass into breast milk (Hale, Almas 2016, Anderson 2016).
The concentration in breast milk is 200 to 500 times lower than that in maternal plasma (Saito 2020)
No problems have been detected in infants whose mothers received this drug (Saito 2020, Danve 2014).
Null or negligible passage into breast milk of similar monoclonal antibodies, such as adalimumab, belimumab, certolizumab, golimumab, infliximab, ipilimumab, natalizumab, rituximab, tocilizumab and ustekinumab has been confirmed (Bar-Gil 2021, LaHue 2020, Saito 2020, 2019 and 2018, Krysko 2019, Whittam 2019, Klenske 2019, Matro 2018, Anderson 2018, Bragnes 2017, Witzel 2014, Ross 2014, Fritzsche 2012).
Due to its protein nature, it is inactivated in the gastrointestinal tract without being absorbed (practically nil oral bioavailability) and this hinders or prevents its passage into the infant´s plasma from ingested breast milk (Lactmed, Rademaker 2018, Bragnes 2017, Götestam 2016 , Witzel 2014, Butler 2014, Mervic 2014) except for premature infants and during the immediate neonatal period when there might be a greater intestinal permeability (Sammaritano 2020).
No problems have been detected in infants whose mothers received other similar monoclonal antibodies such as bevacizumab, infliximab, rituximab, tocilizumab, or ustekinumab (Bar-Gil 2021, LaHue 2020, Saito 2020, 2019 and 2018, Klenske 2019, Mugheddu 2019, Krysko 2019, Matro 2018, Bragnes 2017, Hyrich 2014, Danve 2014).
Expert authors consider that the use of monoclonal antibodies during breastfeeding is safe or very likely to be safe (Whittam 2019, Matro 2018, Anderson 2018 and 2016, Witzel 2014, Pistilli 2013).
Given the strong evidence that exists on the benefits of breastfeeding and the development of babies and the health of their mothers, it might be appropriate to evaluate the risk-benefit of any maternal treatment, including chemotherapy, and counsel individually each mother who wishes to continue breastfeeding (Koren 2013)
The European League Against Rheumatism (EULAR) does not recommend against breastfeeding on mothers treated with Belimumab, if no other therapeutic alternative is available (Gotestam 2016).
See below the information of this related product: