{"id":259,"date":"2025-04-22T15:41:28","date_gmt":"2025-04-22T15:41:28","guid":{"rendered":"https:\/\/www.merckvaccines.com\/enflonsia\/?page_id=259"},"modified":"2026-03-23T08:48:14","modified_gmt":"2026-03-23T08:48:14","slug":"home","status":"publish","type":"page","link":"https:\/\/www.merckvaccines.com\/enflonsia\/","title":{"rendered":"Clesrovimab Home"},"content":{"rendered":"\n\n
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Choose ENFLONSIATM<\/sup> (clesrovimab-cfor)<\/mark><\/h1>

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The first and only preventive option administered to infants without the need for weight-based dosing1,2<\/sup><\/h2><\/div>\n\n\n\n
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No weight-based dosing means the ENFLONSIA you have on hand will be the right dose for the infants in your care.<\/p>\n\n\n\n

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Learn more about ordering<\/a><\/div>\n<\/div>\n\n\n\n
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Delivers antibodies with the same dose<\/mark><\/h2>
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The recommended dose is 105 mg administered as a single IM injectiona<\/sup><\/p>\n\n\n

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See our clinical data<\/mark><\/h2>
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Learn more about the clinical profile of ENFLONSIA<\/p>\n\n\n

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A 30-month shelf life3<\/sup><\/mark><\/h2>
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Which may enhance efficiency and inventory management<\/p>\n\n\n

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a<\/sup>For infants undergoing cardiac surgery<\/strong> with cardiopulmonary bypass during or entering their first RSV season, an additional 105 mg dose is recommended as soon as the infant is stable<\/strong> after surgery to ensure adequate clesrovimab-cfor serum levels.<\/p>\n\n\n\n

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Available via the Vaccines for Children (VFC) Program.<\/strong><\/h2><\/div>\n\n\n\n
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Check with local program managers on state availability.<\/p>\n\n\n\n

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Order ENFLONSIA now<\/h3>

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Frequently asked questions<\/h3>

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See clinical data for ENFLONSIA<\/h3>

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Learn about reimbursement<\/h3>

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References:<\/strong><\/h2><\/div>\n\n\n\n\n
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  1. Beyfortus. Prescribing Information. Sanofi; 2025.<\/li>\n\n\n\n
  2. Synagis. Prescribing Information. Sobi Inc; 2021.<\/li>\n\n\n\n
  3. US Food & Drug Administration Center for Drug Evaluation and Research. BLA Approval Letter.<\/em> Published June 9, 2025. Accessed October 21, 2025. https:\/\/www.accessdata.fda.gov\/drugsatfda_docs\/nda\/2025\/761432Orig1s000Approv.pdf<\/span><\/li>\n<\/ol>\n<\/div>\n\n\n\n\n
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    By clicking on this link, you will be leaving Merck Vaccines.<\/strong><\/p><\/div><\/div>\n\n<\/div>

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    No weight-based dosing means the ENFLONSIA you have on hand will be the right dose for the infants in your care. aFor…<\/p>\n","protected":false},"author":444,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"editor_notices":[],"footnotes":""},"ga4_page_audience":[203],"ga4_page_birn_id":[],"ga4_page_branding":[220],"ga4_page_businessunit":[228],"ga4_page_campaign":[],"ga4_page_content_purpose":[251],"ga4_page_customer_journey_stage":[296],"ga4_page_customer_specialty":[345],"ga4_page_experience":[],"ga4_page_indication":[527],"ga4_page_material_intent":[551],"ga4_page_product":[779],"ga4_page_region":[976],"ga4_page_therapeuticarea":[1065],"class_list":["post-259","page","type-page","status-publish"],"yoast_head":"\nENFLONSIA\u2122 (clesrovimab-cfor) | Official HCP Web Site<\/title>\n<meta name=\"description\" content=\"Health care professionals may find 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