
UCD outcomes can remain suboptimal, and morbidity can remain high1-3

As UCD research continues, additional treatment options that reduce adherence challenges may lead
to improved clinical outcomes in UCDs.3,5

As UCD research continues, additional treatment options that reduce adherence challenges may lead
to improved clinical outcomes in UCDs.3,5
References
- Häberle J, Boddaert N, Burlina A, et al. Suggested guidelines for the diagnosis and management of urea cycle disorders. Orphanet J Rare Dis. 2012;7:32.
- Shchelochkov OA, Dickinson K, Scharschmidt BF, Lee B, Marino M, Le Mons C. Barriers to drug adherence in the treatment of urea cycle disorders: assessment of patient, caregiver and provider perspectives. Mol Genet Metab Rep. 2016;8:43-47.
- Soria LR, Ah Mew N, Brunetti-Pierri N. Progress and challenges in development of new therapies for urea cycle disorders. Hum Mol Genet. 2019;28(R1):R42-R48.
- Häberle J, Burlina A, Chakrapani A, et al. Suggested guidelines for the diagnosis and management of urea cycle disorders: first revision. J Inherit Metab Dis. 2019;42(6):1192-1230.
- Kibleur Y, Guffon N. Long-term follow-up on a cohort temporary utilization authorization (ATU) survey of patients treated with Pheburane (sodium phenylbutyrate) taste-masked granules. Paediatr Drugs. 2016;18(2):139-144.