A Study of the Effect of Aldurazyme® (Laronidase) Treatment on Lactation in Female Patients With Mucopolysaccharidosis I (MPS I) and Their Breastfed Infants

Study Overview

The purpose of this study is to determine if laronidase is present in the breast milk of post-partum women receiving Aldurazyme® (laronidase) and the effects of Aldurazyme (laronidase) on the growth, development, and immunologic response of their breastfed infants.

Study details

Recruitment is not limited to the facility listed; facilities not yet active may be added upon identification of a patient.

Eligibility Criteria

You may be eligible for this study if you meet the following criteria:

  • Conditions:
    Mucopolysaccharidosis I, Hurler's Syndrome, Hurler-Scheie Syndrome, Scheie
  • Gender: Female

Inclusion Criteria (Mothers):

  • The patient must have a documented laronidase deficiency with a fibroblast, plasma, serum, leukocyte, or dried blood spot laronidase enzyme activity assay.
  • Be pregnant, planning to breastfeed post-partum, and receiving Aldurazyme (laronidase) therapy while breastfeeding.
  • Provide signed, written informed consent prior to any protocol-related procedures. Consent of a legally authorized guardian(s) is (are) required for mothers younger than 18 years of age. If a mother is under 18 years old and can understand the consent, written informed consent is required from both the mother and the authorized guardian(s).
  • Provide signed, written informed consent for their infants to participate as study patients. If a mother is younger than 18 years of age, consent for mother and infant will be obtained from the legal guardian.

Exclusion Criteria (Mothers and Infants):

  • Have a medical condition, serious intercurrent illness, or other extenuating circumstance that may interfere with study compliance, including all prescribed evaluations and follow-up activities.
  • Have received an investigational drug within 30 days prior to study enrollment.

Updated on 20 Feb 2024. Study ID: NCT00418821