Last update Feb. 19, 2021
We do not have alternatives for Obinutuzumab.
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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Obinutuzumab is also known as
Obinutuzumab in other languages or writings:
Obinutuzumab belongs to these groups or families:
Main tradenames from several countries containing Obinutuzumab in its composition:
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e-lactancia is a resource recommended by Asociación Española de Bancos de Leche Humana of Spain
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Recombinant monoclonal humanised and glycoengineered Type II anti-CD20 antibody of the IgG1 isotype indicated in Chronic Lymphocytic Leukaemia (CLL) and Follicular Lymphoma (EMA 2018).
Intravenous administration. In CLL: one dose per day on days 1, 2, 8, and 15 for the first 28-day cycle and then on day 1 of each cycle for 5 more cycles, along with Chlorambucil.
In follicular lymphoma the treatment is longer and together with other drugs: bendamustine, cyclophosphamide, doxorubicin, vincristine and prednisone (EMA2018).
We did not find published data regarding the excretion of this substance through breast milk at the time this last update was completed.
It´s very high molecular weight (> 100,000 Da) makes it very unlikely to pass into breast milk in a significant quantity, since molecules of more than 800 - 1,000 Da do not pass into breast milk (Hale, Almas 2016, Anderson 2016).
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, Ciplea 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 belimumab, 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).
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