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AAV Gene Therapy Study for Subjects with PKU

Phase 1
Active, not recruiting
Conditions
Phenylketonuria (PKU)
Interventions
Registration Number
NCT04480567
Lead Sponsor
BioMarin Pharmaceutical
Brief Summary

This is a Phase 1/2, open-label, dose escalation study to evaluate the safety, efficacy and tolerability of BMN 307 in adult PKU subjects with PAH deficiency. Participants will receive a single administration of BMN 307 and will be followed for safety and efficacy.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
100
Inclusion Criteria
  • Male and female subjects with diagnosis of PKU which is a condition characterized by PAH deficiency
  • Ability and willingness to maintain dietary protein intake consistent with baseline intake
  • Willingness to abstain from hepatotoxic substances post-BMN 307 administration
  • Willingness and capable per investigator opinion to comply with study procedures and requirements
  • Willingness to use effective methods of contraception
  • Plasma Phe levels > 600 µmol/L
Exclusion Criteria
  • Subjects with primary BH4 deficiency or other forms of BH4 metabolism deficiency
  • Clinically significant liver dysfunction or disease
  • Prior treatment with gene therapy
  • Any condition that, in the opinion of the investigator or Sponsor, would prevent the subject from fully complying with the requirements of the study
  • History of malignancy

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Dose 1 of BMN 307BMN 307-
Dose 2 of BMN 307BMN 307-
Dose 3 of BMN 307BMN 307-
Primary Outcome Measures
NameTimeMethod
Change from baseline in mean Plasma Phe levelsbaseline, week 12
Secondary Outcome Measures
NameTimeMethod
Change from baseline in mean Plasma Phe levelsbaseline, week 96
Change from baseline in dietary protein intake from intact foodbaseline, week 96
Number of participants with treatment-emergent adverse eventAt 5 years

Trial Locations

Locations (3)

University of South Florida

🇺🇸

Tampa, Florida, United States

Morristown Medical Center

🇺🇸

Morristown, New Jersey, United States

University Hospital Birmingham NHS Foundation Trust

🇬🇧

Birmingham, United Kingdom

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