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<script type="text/javascript" src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/jr.boots.min.js"> </script><title>Imiglucerase - Drugs and Lactation Database (LactMed®) - NCBI Bookshelf</title>
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<meta name="citation_inbook_title" content="Drugs and Lactation Database (LactMed®) [Internet]">
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<meta name="citation_title" content="Imiglucerase">
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<meta name="citation_publisher" content="National Institute of Child Health and Human Development">
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<meta name="citation_date" content="2024/08/15">
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<meta name="citation_keywords" content="Alglucerase">
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<meta name="citation_keywords" content="Imiglucerase">
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<meta name="citation_keywords" content="Ceredase">
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<meta name="citation_keywords" content="Glucosylceramidase">
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<meta name="citation_keywords" content="UNII-27T56C7KK0">
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<meta name="citation_keywords" content="27T56C7KK0">
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<meta name="citation_keywords" content="Glucosylceramidase (human placenta isoenzyme protein moiety reduced)">
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<meta name="DC.Title" content="Imiglucerase">
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<meta name="description" content="Imiglucerase is a synthetic form of beta-glucocerebrosidase, which is a normal component of human milk. After therapeutic use of imiglucerase, breastmilk levels are lower than those of normal mothers.[1] Additionally, absorption by the infant is unlikely because it is probably destroyed in the infant's gastrointestinal tract.[2,3] A limited amount of data support the safety of breastfeeding with imiglucerase. An international panel of clinicians from 9 centers that treat Gaucher's disease reported that, breastfeeding complications were less frequent in mothers who were treated with imiglucerase or alglucerase (the placenta-derived form of the enzyme) postpartum than in untreated mothers with Gaucher's disease. Consider limiting the duration of breastfeeding to about 6 months to avoid excessive bone loss in the nursing mother.[3,4]">
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<meta name="og:description" content="Imiglucerase is a synthetic form of beta-glucocerebrosidase, which is a normal component of human milk. After therapeutic use of imiglucerase, breastmilk levels are lower than those of normal mothers.[1] Additionally, absorption by the infant is unlikely because it is probably destroyed in the infant's gastrointestinal tract.[2,3] A limited amount of data support the safety of breastfeeding with imiglucerase. An international panel of clinicians from 9 centers that treat Gaucher's disease reported that, breastfeeding complications were less frequent in mothers who were treated with imiglucerase or alglucerase (the placenta-derived form of the enzyme) postpartum than in untreated mothers with Gaucher's disease. Consider limiting the duration of breastfeeding to about 6 months to avoid excessive bone loss in the nursing mother.[3,4]">
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class="wsprkl btn" title="Jump to next match">▶</a></nav></nav></div><div id="jr-epub-interstitial" class="hidden"></div><div id="jr-content"><article data-type="main"><div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/CreativeWork"><div class="meta-content fm-sec"><div class="fm-sec"><h1 id="_NBK501690_"><span class="title" itemprop="name">Imiglucerase</span></h1><p class="fm-aai"><a href="#_NBK501690_pubdet_">Publication Details</a></p><p><em>Estimated reading time: 3 minutes</em></p></div></div><div class="jig-ncbiinpagenav body-content whole_rhythm" data-jigconfig="allHeadingLevels: ['h2'],smoothScroll: false" itemprop="text"><p>CASRN: 143003-46-7</p><div id="LM787.Drug_Levels_and_Effects"><h2 id="_LM787_Drug_Levels_and_Effects_">Drug Levels and Effects</h2><div id="LM787.Summary_of_Use_during_Lactation"><h3>Summary of Use during Lactation</h3><p>Imiglucerase is a synthetic form of beta-glucocerebrosidase, which is a normal component of human milk. After therapeutic use of imiglucerase, breastmilk levels are lower than those of normal mothers.[<a class="bibr" href="#LM787.REF.1" rid="LM787.REF.1">1</a>] Additionally, absorption by the infant is unlikely because it is probably destroyed in the infant's gastrointestinal tract.[<a class="bibr" href="#LM787.REF.2" rid="LM787.REF.2">2</a>,<a class="bibr" href="#LM787.REF.3" rid="LM787.REF.3">3</a>] A limited amount of data support the safety of breastfeeding with imiglucerase. An international panel of clinicians from 9 centers that treat Gaucher's disease reported that, breastfeeding complications were less frequent in mothers who were treated with imiglucerase or alglucerase (the placenta-derived form of the enzyme) postpartum than in untreated mothers with Gaucher's disease. Consider limiting the duration of breastfeeding to about 6 months to avoid excessive bone loss in the nursing mother.[<a class="bibr" href="#LM787.REF.3" rid="LM787.REF.3">3</a>,<a class="bibr" href="#LM787.REF.4" rid="LM787.REF.4">4</a>]</p></div><div id="LM787.Drug_Levels"><h3>Drug Levels</h3><p><i>Maternal Levels.</i> A woman on long-term imiglucerase therapy for Gaucher's disease was monitored after her usual dose of 60 units/kg intravenously every 2 weeks. At 6 months postpartum, milk samples were obtained and measured for beta-glucocerebrosidase activity, using milk from 10 mothers with galactorrhea as controls. The highest enzyme activity in milk was 16 nanomoles/hour/mL at 1 hour after the end of the infusion. Enzymatic activity decreased to the preinfusion level (0.008 nanomoles/hour/mL) in the samples of breastmilk taken about 5 hours after the end of the infusion and remained low for all samples taken over the first 24 hours after the dose. Breastmilk beta-glucocerebrosidase activity of the control subjects ranged from 0.067 to 0.214 nanomoles/hour/mL.[<a class="bibr" href="#LM787.REF.5" rid="LM787.REF.5">5</a>]</p><p>A woman with type 1 Gaucher's disease was exclusively breastfeeding her infant postpartum re-initiated intravenous imiglucerase 30 units/kg over 2 hours every 2 weeks at 1 month postpartum. Milk beta-glucocerebrosidase activity was measured at the time of her first postpartum dose, milk. Before the infusion activity was 2 nanomoles/hour/mL. Milk levels were 3 and 4 nanomoles/hour/mL immediately after and 30 minutes after the infusion, respectively. These values were much lower than the level of 42 nanomoles/hour/mL measured in the milk of a control mother without Gaucher's disease.[<a class="bibr" href="#LM787.REF.1" rid="LM787.REF.1">1</a>]</p><p><i>Infant Levels.</i> Relevant published information was not found as of the revision date.</p></div><div id="LM787.Effects_in_Breastfed_Infants"><h3>Effects in Breastfed Infants</h3><p>A woman received imiglucerase 30 units/kg every 2 weeks during pregnancy and for 3 months while breastfeeding. The dose was then increased to 60 units/kg every 2 weeks because of disease progression, and she continued breastfeeding until the infant was 1 year old.[<a class="bibr" href="#LM787.REF.6" rid="LM787.REF.6">6</a>]</p><p>A woman receiving long-term therapy with imiglucerase 60 units/kg intravenously every 2 weeks became pregnant twice during therapy and breastfed both infants (extent not stated). Both infants developed normally during the observation periods of 13 and 33 months.[<a class="bibr" href="#LM787.REF.5" rid="LM787.REF.5">5</a>]</p><p>A woman with type 1 Gaucher's disease was exclusively breastfeeding her infant postpartum re-initiated intravenous imiglucerase 30 units/kg every 2 weeks beginning at 1 month postpartum. The infant was breastfed for about 9 months postpartum and was reportedly healthy when followed up to 3 years of age.[<a class="bibr" href="#LM787.REF.1" rid="LM787.REF.1">1</a>]</p><p>A woman with Gaucher's disease received imiglucerase 1800 units (30 units/kg) every 2 weeks during pregnancy and postpartum. Her infant was breastfed (extent not stated) and was followed by a pediatrician who determined that development was normal over 2 years.[<a class="bibr" href="#LM787.REF.7" rid="LM787.REF.7">7</a>]</p></div><div id="LM787.Effects_on_Lactation_and_Breastmil"><h3>Effects on Lactation and Breastmilk</h3><p>Relevant published information was not found as of the revision date.</p></div><div id="LM787.Alternate_Drugs_to_Consider"><h3>Alternate Drugs to Consider</h3><p><a href="/books/n/lactmed/LM786/?report=reader">Alglucerase</a>, <a href="/books/n/lactmed/LM997/?report=reader">Taliglucerase Alfa</a></p></div><div id="LM787.References"><h3>References</h3><dl class="temp-labeled-list"><dl class="bkr_refwrap"><dt>1.</dt><dd><div class="bk_ref" id="LM787.REF.1">Dornelles
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AD, de Oliveira Netto
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CB, Vairo
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F, et al.
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Breastfeeding in Gaucher disease: Is enzyme replacement therapy safe?
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Clin Ther
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2014;36:990-1.
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[<a href="https://pubmed.ncbi.nlm.nih.gov/24768190" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 24768190</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>2.</dt><dd><div class="bk_ref" id="LM787.REF.2">Belmatoug
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N.
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Considerations for pregnant patients with Gaucher disease: challenges for the patient and physician.
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Clin Ther
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2009;31 (Suppl. C):S192-S3. doi:10.1016/S0149-2918(09)80019-2 [<a href="http://dx.crossref.org/10.1016/S0149-2918(09)80019-2" ref="pagearea=cite-ref&targetsite=external&targetcat=link&targettype=uri">CrossRef</a>]</div></dd></dl><dl class="bkr_refwrap"><dt>3.</dt><dd><div class="bk_ref" id="LM787.REF.3">Zimran
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A, Morris
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E, Mengel
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E, et al.
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The female Gaucher patient: The impact of enzyme replacement therapy around key reproductive events (menstruation, pregnancy and menopause).
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Blood Cells Molec Dis
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2009;43:264-88.
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[<a href="https://pubmed.ncbi.nlm.nih.gov/19502088" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 19502088</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>4.</dt><dd><div class="bk_ref" id="LM787.REF.4">Granovsky-Grisaru
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S, Belmatoug
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N, vom Dahl, S, et al.
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The management of pregnancy in Gaucher disease.
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Eur J Obstet Gynecol Reprod Biol
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2011;156:3-8.
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[<a href="https://pubmed.ncbi.nlm.nih.gov/21269752" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21269752</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>5.</dt><dd><div class="bk_ref" id="LM787.REF.5">Sekijima
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Y, Ohashi
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T, Ohira
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S, et al.
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Successful pregnancy and lactation outcome in a patient with Gaucher disease receiving enzyme replacement therapy, and the subsequent distribution and excretion of imiglucerase in human breast milk.
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Clin Ther
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2010;32:2048-52.
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[<a href="https://pubmed.ncbi.nlm.nih.gov/21118740" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21118740</span></a>]</div></dd></dl><dl class="bkr_refwrap"><dt>6.</dt><dd><div class="bk_ref" id="LM787.REF.6">Mrsic
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M, Fumic
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K, Potocki
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R, et al.
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Successful pregnancy of enzyme replacement therapy with Cerezyme.
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Clin Ther
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2007;29 (Suppl C):S84. doi:10.1016/S0149-2918(07)80459-0 [<a href="http://dx.crossref.org/10.1016/S0149-2918(07)80459-0" ref="pagearea=cite-ref&targetsite=external&targetcat=link&targettype=uri">CrossRef</a>]</div></dd></dl><dl class="bkr_refwrap"><dt>7.</dt><dd><div class="bk_ref" id="LM787.REF.7">Korkmazer
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E, Solak
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N, Tokgöz
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VY. Pregnancy and lactation in a patient with Gaucher disease receiving enzyme replacement therapy: Case report.
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Turk J Clin Obstet Gynecol
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2015;25:224-6. doi:10.5336/gynobstet.2014-41780 [<a href="http://dx.crossref.org/10.5336/gynobstet.2014-41780" ref="pagearea=cite-ref&targetsite=external&targetcat=link&targettype=uri">CrossRef</a>]</div></dd></dl></dl></div></div><div id="LM787.Substance_Identification"><h2 id="_LM787_Substance_Identification_">Substance Identification</h2><div id="LM787.Substance_Name"><h3>Substance Name</h3><p>Imiglucerase</p></div><div id="LM787.CAS_Registry_Number"><h3>CAS Registry Number</h3><p>143003-46-7</p></div><div id="LM787.Drug_Class"><h3>Drug Class</h3><p>Breast Feeding</p><p>Lactation</p><p>Milk, Human</p><p>Enzymes</p><p>Enzyme Replacement Therapy</p></div></div><div><dl class="temp-labeled-list small"><dl class="bkr_refwrap"><dt></dt><dd><div><p class="no_top_margin"><p><b>Disclaimer: </b>Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.</p></p></div></dd></dl></dl></div><div id="bk_toc_contnr"></div></div></div><div class="fm-sec"><h2 id="_NBK501690_pubdet_">Publication Details</h2><h3>Publication History</h3><p class="small">Last Revision: <span itemprop="dateModified">August 15, 2024</span>.</p><h3>Copyright</h3><div><div class="half_rhythm"><a href="/books/about/copyright/">Copyright Notice</a><p class="small"><b>Attribution Statement:</b> LactMed is a registered trademark of the U.S. Department of Health and Human Services.</p></div></div><h3>Publisher</h3><p><a href="https://www.nlm.nih.gov/" ref="pagearea=page-banner&targetsite=external&targetcat=link&targettype=publisher">National Institute of Child Health and Human Development</a>, Bethesda (MD)</p><h3>NLM Citation</h3><p>Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006-. Imiglucerase. [Updated 2024 Aug 15].<span class="bk_cite_avail"></span></p></div><div class="small-screen-prev"><a href="/books/n/lactmed/imdevimab/?report=reader"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M75,30 c-80,60 -80,0 0,60 c-30,-60 -30,0 0,-60"></path><text x="20" y="28" textLength="60" style="font-size:25px">Prev</text></svg></a></div><div class="small-screen-next"><a href="/books/n/lactmed/LM143/?report=reader"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M25,30c80,60 80,0 0,60 c30,-60 30,0 0,-60"></path><text x="20" y="28" textLength="60" style="font-size:25px">Next</text></svg></a></div></article></div><div id="jr-scripts"><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/libs.min.js"> </script><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/jr.min.js"> </script></div></div>
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