Clinical trials: Phenylketonurias
Phenylketonuria
MRI Spectroscopy and Neuropsychological Functioning in Phenylketonuria
This is a study about the relationship of brain biomarkers with neuropsychological functioning in PKU. All participants will undergo MRI spectroscopy, will provide a blood specimen and will receive neuropsychological testing.
- Trial name
- NCT03097250
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Mitochondrial Disease, Chronic Metabolic Disorder
Energy Requirements in Mitochondrial Disease
Metabolic diseases and mitochondrial disorders are caused by genetic mutation which lead to disruptions in energy producing pathways in our body.
- Trial name
- NCT01776918
- Where
- Canada
- Volunteers
- 23 people
- Sponsor
- University of British Columbia
Phenylketonuria
Protein Requirements in Adults With Phenylketonuria (PKU)
Phenylketonuria (PKU) is an inherited inborn error of phenylalanine (PHE) metabolism caused by decreased activity of phenylalanine hydroxylase (PAH) enzyme. Therefore, PHE accumulates in plasma leading to mental problems.
- Trial name
- NCT03939052
- Testing
- Free amino acids intake
- Where
- Canada
- Volunteers
- 6 people
- Sponsor
- University of British Columbia
Phenylketonuria (PKU)
A Non-Interventional Interview Study of Phenylketonuria (PKU) Adults
The 165-901 study is designed to identify the appropriate tools for use in future interventional studies on the neurocognitive effects of pegvaliase on adults with PKU.
- Trial name
- 165-901 (NCT03505125)
- Where
- 14 sites in United States, Canada and 5 more
- Volunteers
- 63 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonurias
Effects of Synergy on Nutrient Intake and Acceptability in Phenylketonuria (PKU)
Phenylketonuria (PKU) is a rare inherited metabolic disorder, where subjects are born with a genetic deficiency in the phenylalanine hydroxylase enzyme (PAH), which leaves them unable to convert Phenylalanine (Phe) into Tyrosine…
- Trial name
- ESSENTIAL (NCT03777826)
- Testing
- PKU Synergy
- Where
- 3 sites in Germany, Netherlands
- Volunteers
- 13 people
- Sponsor
- Nutricia Research
Phenylketonuria, Tyrosinemia
GMP Powdered Substitutes in PKU and TYR
Four new GMP-based protein substitutes have been developed to support the dietary management of PKU and TYR. These products are powdered protein substitutes, low in phenylalanine and low in phenylalanine and tyrosine…
- Trial name
- NCT06941532
- Testing
- GMP Intervention Product
- Where
- United Kingdom
- Volunteers
- 40 people
- Sponsor
- Nutricia UK Ltd
Phenylketonurias
Nutritional Impacts of Palynziq on Patients With Phenylketonuria (PKU)
Phenylketonuria (PKU) is an inherited metabolic disorder that impairs the metabolism of the essential amino acid phenylalanine (Phe).
- Trial name
- NCT04404530
- Testing
- Palynziq
- Where
- 2 sites in United States
- Volunteers
- 45 people
- Sponsor
- Emory University
Tetrahydrobiopterin Deficiency
Retrospective Observational Safety Effectiveness With Kuvan in hpA
A retrospective study to collect the effectiveness and safety data of the past treatment with KUVAN in Chinese patients with HPA caused by BH4 deficiency.
- Trial name
- ROSEKA (NCT03864029)
- Testing
- KUVAN
- Where
- China
- Volunteers
- 26 people
- Sponsor
- BioMarin Pharmaceutical
PKU
Neuroimaging and Neurocognitive Assessment and Response to Sapropterin Dihydrochloride Treatment in Phenylketonuria
The investigators will use different types of brain imaging (MRI) in patients with Phenylketonuria (PKU) who are currently not on a strict diet to test the hypothesis that there is improvement in brain circuitry and biochemistry…
- Trial name
- PKU (NCT01412437)
- Testing
- diet, sapropterin dihydrochloride
- Where
- United States
- Sponsor
- Children's National Research Institute
Phenylketonurias
Study to Evaluate the Safety and Efficacy of Phenoptin™ in Subjects With Phenylketonuria Who Have Elevated Phenylalanine Levels
The primary objective of this study is to evaluate the efficacy of Phenoptin™ (sapropterin dihydrochloride) in reducing blood phenylalanine (Phe) levels in subjects with phenylketonuria.
- Trial name
- NCT00104247
- Testing
- sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterin
- Where
- 13 sites in United States
- Volunteers
- 89 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Protein Requirements in Children With Phenylketonuria (PKU)
Phenylketonuria (PKU) is an inherited inborn error of an amino acid phenylalanine (PHE) metabolism affecting 1:15,000 births. It is caused by a decreased activity of an enzyme in the liver called phenylalanine hydroxylase (PAH)…
- Trial name
- NCT01965691
- Testing
- Protein intake
- Where
- Canada
- Volunteers
- 4 people
- Sponsor
- University of British Columbia
Phenylketonuria
Nutritional and Neurotransmitter Changes in PKU Subjects on BH4
HYPOTHESIS: The investigators hypothesize that KuvanTM therapy could influence nutritional and body composition parameters and neurotransmitter concentrations in pediatric and adult PKU subjects.
- Trial name
- BH4&PKU (NCT00688844)
- Testing
- KuvanTM Therapy
- Where
- 2 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Emory University
Phenylketonuria, Inborn Errors of Metabolism
Evaluation of PKU Explore
To evaluate the acceptability, tolerance and effect on metabolic control of PKU Explore, a renovated Phe free protein substitute for the dietary management of PKU in children from 6 months to 5 years.
- Trial name
- PKU Explore (NCT03168399)
- Testing
- PKU Explore
- Where
- 3 sites in United Kingdom
- Volunteers
- 22 people
- Sponsor
- Vitaflo International, Ltd
Carrier of Phenylketonuria, Healthy
Impact of Phenylalanine Elevations on Brain and Cognition in Adult PKU Carriers
The goal of this clinical trial is to advance our understanding of the cognitive and neurophysiologic sequelae associated with suboptimal phenylalanine (Phe) metabolism in heterozygous carriers of phenylketonuria (PKU).
- Trial name
- NCT07220265
- Testing
- Phenylalanine (Phe)
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Phenylketonurias
AAV Gene Therapy Clinical Study in Adult Classic PKU (PHEdom)
This is a Phase 1/2, open-label, multiple-center, dose escalation and cohort expansion study to evaluate the safety and efficacy of NGGT002 in adult subjects with classic Phenylketonuria (PKU).
- Trial name
- NCT06332807
- Testing
- NGGT002
- Where
- 5 sites in United States
- Volunteers
- 12 people
- Sponsor
- NGGT INC.
Phenylketonurias
PheCheck Feasibility Study
The goal of this feasibility study clinical trial is to compare the accuracy of PheCheck™ for the rapid quantitative detection of phenylalanine (Phe) with the gold standard (HPLC amino acid analyzer), in patients with PKU.
- Trial name
- NCT05998109
- Testing
- PheCheck™, HPLC Amino Acid Analyzer, Dried Blood Spot Cards
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Lumos Diagnostics
Phenylketonuria
Study of BH4, a New and Simple Treatment of Mild PKU
The main purpose is to test whether treatment with BH4-tablets can replace the protein restrictive diet in patients with mild PKU caused by a certain frequent mutation.
- Trial name
- NCT00260000
- Testing
- 5,6,7,8-tetrahydrobiopterin
- Where
- Denmark
- Volunteers
- 15 people
- Sponsor
- The Kennedy Institute-National Eye Clinic
Phenylketonuria
A Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AG-181 in Subjects With Phenylketonuria
The primary purpose of this study is to assess the safety and tolerability of AG-181 in subjects with Phenylketonuria (PKU).
- Trial name
- NCT07241234
- Testing
- AG-181
- Where
- 5 sites in United States, Poland
- Volunteers
- 20 people
- Sponsor
- Agios Pharmaceuticals, Inc.
Phenylketonuria
Efficacy and Safety of Orally Administered Engineered Probiotics (CBT102-A) for the Treatment of Children With Phenylketonuria
This is a randomized, double-blind, placebo-controlled, parallel-group study. A total of 15 children with phenylketonuria(PKU) age 3 to 17 years will be randomized to two groups.
- Trial name
- NCT05948020
- Testing
- CBT102-A capsule
- Where
- China
- Volunteers
- 15 people
- Sponsor
- Children's Hospital of Fudan University
Phenylketonuria
Simplified Diet Approach in Phenylketonuria
This is a study to determine if a simplified protein counting system, including the free usage of fruits and vegetables low in phenylalanine, will improve the metabolic control in teens and adults with phenylketonuria (PKU).
- Trial name
- NCT02555579
- Testing
- Dietary Protein Counting and Free Fruits and Vegetables
- Where
- 4 sites in United States
- Volunteers
- 33 people
- Sponsor
- University of Nebraska