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LetterLetter

The Concentration of Etanercept in Human Milk and Infant Outcomes

Kerri Bertrand, Steven Rossi, Alan Wells, Brookie Best and Christina D. Chambers
The Journal of Rheumatology November 2022, jrheum.220724; DOI: https://doi.org/10.3899/jrheum.220724
Kerri Bertrand
Department of Pediatrics, University of California San Diego; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA. This study was supported by the University of California, San Diego Center for Better Beginnings; and the Rady Children's Hospital, San Diego Academic Enrichment Fund, project 4998; and the National Institutes of Health, Clinical Translational Award grant UL1TR001442. The content is solely the responsibility of the authors and does not necessarily represent the official views of any of the funding bodies. Additionally, the funders had no role in study design, data collection and analysis, decision to publish, or preparation or review of the manuscript. CDC has received funding from Amgen to conduct research studies of medication safety in pregnancy. Address correspondence to K. Bertrand, 9500 Gilman Drive, MC 0828, La Jolla, CA 92093, USA. Email: kdutcher@health.ucsd.edu.
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Steven Rossi
Department of Pediatrics, University of California San Diego; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA. This study was supported by the University of California, San Diego Center for Better Beginnings; and the Rady Children's Hospital, San Diego Academic Enrichment Fund, project 4998; and the National Institutes of Health, Clinical Translational Award grant UL1TR001442. The content is solely the responsibility of the authors and does not necessarily represent the official views of any of the funding bodies. Additionally, the funders had no role in study design, data collection and analysis, decision to publish, or preparation or review of the manuscript. CDC has received funding from Amgen to conduct research studies of medication safety in pregnancy. Address correspondence to K. Bertrand, 9500 Gilman Drive, MC 0828, La Jolla, CA 92093, USA. Email: kdutcher@health.ucsd.edu.
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Alan Wells
Department of Pediatrics, University of California San Diego; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA. This study was supported by the University of California, San Diego Center for Better Beginnings; and the Rady Children's Hospital, San Diego Academic Enrichment Fund, project 4998; and the National Institutes of Health, Clinical Translational Award grant UL1TR001442. The content is solely the responsibility of the authors and does not necessarily represent the official views of any of the funding bodies. Additionally, the funders had no role in study design, data collection and analysis, decision to publish, or preparation or review of the manuscript. CDC has received funding from Amgen to conduct research studies of medication safety in pregnancy. Address correspondence to K. Bertrand, 9500 Gilman Drive, MC 0828, La Jolla, CA 92093, USA. Email: kdutcher@health.ucsd.edu.
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Brookie Best
Department of Pediatrics, University of California San Diego; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA. This study was supported by the University of California, San Diego Center for Better Beginnings; and the Rady Children's Hospital, San Diego Academic Enrichment Fund, project 4998; and the National Institutes of Health, Clinical Translational Award grant UL1TR001442. The content is solely the responsibility of the authors and does not necessarily represent the official views of any of the funding bodies. Additionally, the funders had no role in study design, data collection and analysis, decision to publish, or preparation or review of the manuscript. CDC has received funding from Amgen to conduct research studies of medication safety in pregnancy. Address correspondence to K. Bertrand, 9500 Gilman Drive, MC 0828, La Jolla, CA 92093, USA. Email: kdutcher@health.ucsd.edu.
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Christina D. Chambers
Department of Pediatrics, University of California San Diego; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA. This study was supported by the University of California, San Diego Center for Better Beginnings; and the Rady Children's Hospital, San Diego Academic Enrichment Fund, project 4998; and the National Institutes of Health, Clinical Translational Award grant UL1TR001442. The content is solely the responsibility of the authors and does not necessarily represent the official views of any of the funding bodies. Additionally, the funders had no role in study design, data collection and analysis, decision to publish, or preparation or review of the manuscript. CDC has received funding from Amgen to conduct research studies of medication safety in pregnancy. Address correspondence to K. Bertrand, 9500 Gilman Drive, MC 0828, La Jolla, CA 92093, USA. Email: kdutcher@health.ucsd.edu.
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Abstract

According to the National Institutes of Health, up to 23.5 million Americans (> 7% of the population) suffer from an autoimmune disease, and women are 2 times more likely to be diagnosed with an autoimmune disease than men.1,2 Medications such as etanercept (ETN) may be required for treatment of maternal disease during lactation.

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The Journal of Rheumatology: 52 (7)
The Journal of Rheumatology
Vol. 52, Issue 7
1 Jul 2025
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The Concentration of Etanercept in Human Milk and Infant Outcomes
Kerri Bertrand, Steven Rossi, Alan Wells, Brookie Best, Christina D. Chambers
The Journal of Rheumatology Nov 2022, jrheum.220724; DOI: 10.3899/jrheum.220724

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The Concentration of Etanercept in Human Milk and Infant Outcomes
Kerri Bertrand, Steven Rossi, Alan Wells, Brookie Best, Christina D. Chambers
The Journal of Rheumatology Nov 2022, jrheum.220724; DOI: 10.3899/jrheum.220724
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