Craniosynostosis 1, also known as congenital rubella syndrome, is related to craniosynostosis and synostosis. An important gene associated with Craniosynostosis 1 is TWIST1 (Twist Family BHLH Transcription Factor 1). The drugs Tranexamic acid and Coagulants have been mentioned in the context of this disorder. Affiliated tissues include brain and eye, and related phenotypes are cataract and sensorineural hearing impairment