Last update May 8, 2024
Likely Compatibility
We do not have alternatives for AMG-531.
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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AMG-531 is Romiplostim in Experimental code/s.
Is written in other languages:AMG-531 belongs to this group or family:
Main tradenames from several countries containing AMG-531 in its composition:
Variable | Value | Unit |
---|---|---|
Oral Bioavail. | Baja - Poor | % |
Molecular weight | 59.000 | daltons |
VD | 0.05 - 0.1 | l/Kg |
Tmax | 14 (7 - 50) | hours |
T½ | 84 (24 - 840) | hours |
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e-lactancia is a resource recommended by Academy of Breastfeeding Medicine - 2015 of United States of America
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Fc-peptide fusion protein that acts as an agonist at the thrombopoietin receptor stimulating platelet production. Indicated in chronic immune thrombocytopenic purpura (ITP) refractory to other treatments (corticosteroids, immunoglobulins). Subcutaneous administration of a weekly dose.
Amino acid sequences of romiplostim have been found in both breast milk and infant plasma, without being able to estimate the amount or concentration of romiplstim excreted in breast milk. (Labrecque 2023).
Its very high molecular weight makes the passage into milk of significant amounts very unlikely.
Of two infants born to mothers treated with romiplostim, one had moderate thrombocytosis that persisted despite discontinuation of breastfeeding (Labrecque 2023), indicating that it was not due to romiplostim; the other had no problem. (Patras 2020)
Due to its protein nature, it is inactivated in the gastrointestinal tract and is not absorbed, so its oral bioavailability is practically nil, except in premature infants and the immediate neonatal period in which there may be greater intestinal permeability.
It may be advisable to monitor hematological parameters in infants breastfed by mothers receiving romiplostim.
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