Phenylketonurias Clinical Trial
Official title:
A Prospective Study Investigating the Natural History of Adults With Phenylketonuria (PKU) Due to Phenylalanine Hydroxylase Deficiency
NCT number | NCT04768348 |
Other study ID # | HMI-100-002 |
Secondary ID | |
Status | Terminated |
Phase | |
First received | |
Last updated | |
Start date | April 20, 2021 |
Est. completion date | August 1, 2023 |
Verified date | August 2023 |
Source | Homology Medicines, Inc |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The objective of this study is to characterize the natural history of phenylketonuria (PKU) due to phenylalanine hydroxylase (PAH) deficiency in adults through prospective collection of clinical, cognitive, and quality of life assessments.
Status | Terminated |
Enrollment | 7 |
Est. completion date | August 1, 2023 |
Est. primary completion date | February 1, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 55 Years |
Eligibility | Key Inclusion Criteria: - Aged 18-55 years at the time of informed consent - Diagnosis of PKU due to PAH deficiency - One plasma Phe value with a concentration of = 600 µmol/L drawn at Screening and at least 1 historical Phe value = 600 µmol/L in the preceding 12 months Key Exclusion Criteria: - Subjects with PKU that is not due to PAH deficiency - Alanine aminotransferase (ALT) > 1.5x upper limit of normal (ULN) and aspartate aminotransferase (AST) >1.5x ULN - Alkaline phosphatase > 1.5x ULN - Total bilirubin > 1.5x ULN, direct bilirubin = 1.5x ULN, unless associated with Gilbert's syndrome. - Serum creatinine > 1.5x ULN - Hematology values outside of the normal range (hemoglobin < 11.0 g/dL for males or < 10.0 g/dL for females; white blood cells (WBC) < 3,000/µL; absolute neutrophils < 1,500/µL; platelets < 100,000/µL) - Hemoglobin A1c > 6.5% or fasting glucose > 126 mg/dL - Any clinically significant abnormal laboratory result at Screening, as determined by the Investigator |
Country | Name | City | State |
---|---|---|---|
United States | Emory University Hospital | Atlanta | Georgia |
United States | UT Southwestern Medical Center | Dallas | Texas |
United States | Kaiser Permanente Los Angeles Medical Center | Los Angeles | California |
United States | Children's Hospital of Orange County | Orange | California |
United States | University of Pittsburgh Medical Center- CHOP | Pittsburgh | Pennsylvania |
United States | University of Utah Health | Salt Lake City | Utah |
United States | University of South Florida | Tampa | Florida |
United States | Community Health Clinic | Topeka | Indiana |
Lead Sponsor | Collaborator |
---|---|
Homology Medicines, Inc |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Plasma phenylalanine (Phe) concentrations | Change in plasma Phe concentrations throughout study duration | Baseline to Week 52 | |
Primary | Plasma tyrosine (Tyr) concentrations | Change in plasma Tyr concentrations throughout study duration | Baseline to Week 52 | |
Primary | Quality of life (QOL), as assessed using the PKU-QOL questionnaire measures | Changes in PKU-QOL | Baseline to Week 52 |
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