PEARL (PrEnAtal Enzyme Replacement Therapy for Lysosomal Storage Disorders)

Summary

For detailed information, please view our study website: https://pearltrial.ucsf.edu/ The investigators aims to determine the the maternal and fetal safety and feasibility of in utero fetal enzyme replacement therapy in fetuses with Lysosomal Storage Diseases.

Timeline

Start

2021-07-01

Primary completion

2031-07-31

Completion

2032-07-31

Publications

• Results Nguyen QH, Witt RG, Wang B, Eikani C, Shea J, Smith LK, Boyle G, Cadaoas J, Sper R, MacKenzie JD, Villeda S, MacKenzie TC. Tolerance induction and microglial engraftment after fetal therapy without conditioning in mice with Mucopolysaccharidosis type VII. Sci Transl Med. 2020 Feb 26;12(532):eaay8980. doi: 10.1126/scitranslmed.aay8980.
• Results Platt FM, d'Azzo A, Davidson BL, Neufeld EF, Tifft CJ. Author Correction: Lysosomal storage diseases. Nat Rev Dis Primers. 2018 Oct 18;4(1):36. doi: 10.1038/s41572-018-0037-0.
• Results Meikle PJ, Hopwood JJ, Clague AE, Carey WF. Prevalence of lysosomal storage disorders. JAMA. 1999 Jan 20;281(3):249-54. doi: 10.1001/jama.281.3.249.
• Results Azevedo AC, Schwartz IV, Kalakun L, Brustolin S, Burin MG, Beheregaray AP, Leistner S, Giugliani C, Rosa M, Barrios P, Marinho D, Esteves P, Valadares E, Boy R, Horovitz D, Mabe P, da Silva LC, de Souza IC, Ribeiro M, Martins AM, Palhares D, Kim CA, Giugliani R. Clinical and biochemical study of 28 patients with mucopolysaccharidosis type VI. Clin Genet. 2004 Sep;66(3):208-13. doi: 10.1111/j.1399-0004.2004.00277.x.
• Results Rosenbloom BE, Weinreb NJ. Gaucher disease: a comprehensive review. Crit Rev Oncog. 2013;18(3):163-75. doi: 10.1615/critrevoncog.2013006060.
• Results Chien YH, Lee NC, Thurberg BL, Chiang SC, Zhang XK, Keutzer J, Huang AC, Wu MH, Huang PH, Tsai FJ, Chen YT, Hwu WL. Pompe disease in infants: improving the prognosis by newborn screening and early treatment. Pediatrics. 2009 Dec;124(6):e1116-25. doi: 10.1542/peds.2008-3667.
• Results Blitz MJ, Rochelson B, Sood M, Bialer MG, Vohra N. Prenatal sonographic findings in a case of Wolman's disease. J Clin Ultrasound. 2018 Jan;46(1):66-68. doi: 10.1002/jcu.22481. Epub 2017 Apr 4.
• Results Tsai AC, Hung YW, Harding C, Koeller DM, Wang J, Wong LC. Next generation deep sequencing corrects diagnostic pitfalls of traditional molecular approach in a patient with prenatal onset of Pompe disease. Am J Med Genet A. 2017 Sep;173(9):2500-2504. doi: 10.1002/ajmg.a.38333. Epub 2017 Jun 28.
• Results Banugaria SG, Prater SN, Ng YK, Kobori JA, Finkel RS, Ladda RL, Chen YT, Rosenberg AS, Kishnani PS. The impact of antibodies on clinical outcomes in diseases treated with therapeutic protein: lessons learned from infantile Pompe disease. Genet Med. 2011 Aug;13(8):729-36. doi: 10.1097/GIM.0b013e3182174703.
• Borges B, Canepa E, Chang IJ, Herzeg A, Lianoglou B, Kishnani PS, Harmatz P, MacKenzie TC, Cohen JL. Prenatal Delivery of Enzyme Replacement Therapy to Fetuses Affected by Early-Onset Lysosomal Storage Diseases. Am J Med Genet C Semin Med Genet. 2025 Sep;199(3):203-217. doi: 10.1002/ajmg.c.32132. Epub 2025 Jan 31.
• Herzeg A, Borges B, Lianoglou BR, Gonzalez-Velez J, Canepa E, Munar D, Young SP, Bali D, Gelb MH, Chakraborty P, Kishnani PS, Harmatz P, Cohen JL, MacKenzie TC. Intrauterine enzyme replacement therapies for lysosomal storage disorders: Current developments and promising future prospects. Prenat Diagn. 2023 Dec;43(13):1638-1649. doi: 10.1002/pd.6460. Epub 2023 Nov 13.

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Indications