Felypressin is sometimes mentioned alongside dental anesthetic research, but it does not carry an FDA-approved label in the United States. Anyone encountering the name should understand its current status before drawing conclusions from other sources.
Regulatory status
Felypressin is classified as an unapproved, investigational compound. No FDA label, indication, or approved brand name is associated with it in the data reviewed. It has not gone through the review process that would establish approved medical uses.
What felypressin is
Felypressin is a synthetic peptide with the molecular formula C46H65N13O11S2 and a molecular weight of approximately 1040.2. Its PubChem entry (CID 14257662) documents its chemical structure, but no label data defines a mechanism of action or drug class for general reference.
Trial footprint
Two trials referencing felypressin are registered. The available trial sample includes a completed Phase 4 study comparing articaine and prilocaine for maxillary tooth extraction, and a completed Phase 1 study evaluating liposomal prilocaine in maxillary infiltration anesthesia. These trials center on related anesthetic agents rather than establishing standalone efficacy data for felypressin itself, and neither result implies an approved use.