Fosdenopterin: First Approval

<p><b>Funding</b> The preparation of this review was not supported by any external funding.</p> <p><b>Authorship and Conflict of interest</b> During the peer review process the manufacturer of the agent under review was offered an opportunity to comment on the article. Changes resulting from any comments received were made by the authors on the basis of scientific completeness and accuracy. Connie Kang is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content.</p> <p> </p> <p><b>Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability </b>Not applicable.</p><p><br></p><p>Additional information about this Adis Drug Review can be found <a href="https://www.springer.com/gp/adis/products-services/adis-journals-newsletters/adis-drug-reviews">here</a>.<br></p><p><br></p><p>Abstract</p><p></p><p>Fosdenopterin (Nulibry^TM) is a synthetic cyclic pyranopterin monophosphate that is being developed by Origin Biosciences (a subsidiary of BridgeBio Pharma) for the treatment of molybdenum cofactor deficiency (MoCD) type A. Fosdenopterin was recently approved by the US FDA for use in reducing the risk of mortality in paediatric and adult patients with MoCD type A. This article summarizes the milestones in the development of fosdenopterin leading to this first approval.</p><p>© Springer Nature Switzerland AG 2021<br></p><br><p></p>