Clinical trials: PKU
Phenylketonuria (PKU)
Safety and Efficacy of Self Administered Injections of Pegvaliase (>40mg/Day Dose) in Adults With PKU
This is a Phase 3 open-label extension study enrolling adult patients with PKU who were previously treated with pegvaliase in Studies PAL-003 (NCT00924703) or 165-302 (NCT02468570).
- Trial name
- NCT03694353
- Testing
- Pegvaliase
- Where
- 17 sites in United States
- Volunteers
- 37 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Efficacy and Safety of SYNB1934 in Patients With PKU (SYNPHENY-3)
SYNB1934-CP-003 was designed as a 3-part, adaptive study consisting of a dose-escalating, open-label period (DEP; Part 1) of up to 15 weeks, followed by a 4-week, double-blind, placebo-controlled, randomized withdrawal period…
- Trial name
- SYNPHENY-3 (NCT05764239)
- Testing
- SYNB1934v1
- Where
- 21 sites in United States, Canada and 2 more
- Volunteers
- 35 people
- Sponsor
- Synlogic
Phenylketonuria
Response to Kuvan® in Subjects With Phenylketonuria (PKU) in a 4 Weeks Testing Period
The primary objective of the study is to evaluate the proportion of responders (that is, greater than or equal to [>=] 30 percent reduction from Baseline in blood phenylalanine [Phe] level) to treatment with Kuvan® (sapropterin…
- Trial name
- ENDURE (NCT01082328)
- Testing
- Kuvan®
- Where
- Norway
- Volunteers
- 59 people
- Sponsor
- Merck KGaA, Darmstadt, Germany
Phenylketonuria
Fluorodeoxyglucose Positron Emission Tomography (FDG PET) Findings in Patients With Phenylketonuria Before and After KUVAN Therapy
The aim of this pilot study is to determine if there are any changes in brain glucose metabolism in the gray matter of patients with Phenylketonuria (PKU) and whether administration of Sapropterin (KUVAN) therapy can improve such…
- Trial name
- PKU (NCT00986973)
- Testing
- Sapropterin
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Children's Hospital of Philadelphia
Tetrahydrobiopterin Deficiencies, Hyperphenylalaninemia, Non-Phenylketonuric
Safety and Efficacy Study of Phenoptin in Subjects With Hyperphenylalaninemia Due to BH4 Deficiency
The purpose of this study is to evaluate the ability of Phenoptin to control blood phenylalanine levels in subjects who have hyperphenylalaninemia due to a primary BH4 deficiency and to evaluate the safety of Phenoptin in this…
- Trial name
- NCT00355264
- Testing
- Phenoptin
- Where
- 10 sites in United States, Germany
- Volunteers
- 12 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria (PKU)
Study to Evaluate the Safety and Efficacy of Pegvaliase in Adolescents (Ages 12-17) With Phenylketonuria
This is a Phase 3 open-label randomized controlled study enrolling approximately 54 adolescents with PKU. The study is designed to assess the safety and efficacy of pegvaliase injections.
- Trial name
- PEGASUS (NCT05270837)
- Testing
- Pegvaliase, Diet Only
- Where
- 16 sites in United States, Germany
- Volunteers
- 55 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
A Study to Evaluate Subcutaneously Administered rAvPAL-PEG in Patients With Phenylketonuria for 24 Weeks
The primary objective of the study is to evaluate the effect of dosing regimens of multiple subcutaneous (SC) doses of rAvPAL-PEG to induce an early and sustained Phe reduction while decreasing the frequency and severity of…
- Trial name
- NCT01560286
- Testing
- BMN 165 (rAvPAL-PEG)
- Where
- 6 sites in United States
- Volunteers
- 24 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
A Study of PTC923 in Participants With Phenylketonuria
The main purpose of this trial is to evaluate the efficacy of PTC923 in reducing blood phenylalanine (Phe) levels in participants with phenylketonuria as measured by mean change in blood Phe levels from baseline to Weeks 5 and 6…
- Trial name
- NCT05099640
- Testing
- PTC923
- Where
- 43 sites in United States, Australia and 13 more
- Volunteers
- 157 people
- Sponsor
- PTC Therapeutics
Phenylketonuria (PKU)
Effects of Kuvan on Melatonin Secretion
This study examines the effect of tetrahydrobiopterin (Kuvan) and Large Neutral Amino Acid (LNAA) therapy on melatonin and dopamine levels in individuals with Phenylketonuria (PKU).
- Trial name
- NCT01617070
- Testing
- Kuvan, Large Neutral Amino Acid Therapy
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Southern California
BH4 Deficiency, Hyperphenylalaninemia
A Study of PTC923 (CNSA-001) in Primary Tetrahydrobiopterin (BH4) Deficient Participants With Hyperphenylalaninemia
This study has been designed to demonstrate the safety, pharmacokinetics (PK) and preliminary efficacy of PTC923 (CNSA-001) in reducing blood phenylalanine concentrations in participants with hyperphenylalaninemia due to primary…
- Trial name
- NCT03519711
- Testing
- PTC923
- Where
- 4 sites in United States
- Volunteers
- 8 people
- Sponsor
- PTC Therapeutics
Phenylketonuria
A Phase 3 Substudy to Evaluate Executive Function in Adults With PKU Who Are Participating in the Phase 3 Study, 165-302
A Phase 3 substudy to evaluate executive function in adults with phenylketonuria who are participating in the phase 3 Study, 165-302. Approximately 100 subjects, aged ≥ 18 to ≤ 70 years old, with PKU will be enrolled.
- Trial name
- PRISM303 (NCT02468570)
- Testing
- Administration of CANTAB and Subject Global Assessment
- Where
- 4 sites in United States
- Volunteers
- 9 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Safety, Tolerability, and Efficacy Study of rAvPAL-PEG Administered Daily in Subjects With Phenylketonuria (PKU)
The purpose of this study is to evaluate the effect of daily administration of rAvPAL-PEG on the reduction of blood Phe concentrations in subjects with PKU.
- Trial name
- NCT01212744
- Testing
- rAvPAL-PEG
- Where
- 9 sites in United States
- Volunteers
- 16 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria (PKU)
A Pilot Study on Diurnal Variation
This self-controlled, prospective, pilot study is designed to gather information regarding the diurnal variation (changes that occur each day) in the levels of plasma phenylalanine (Phe) and tyrosine in patients with…
- Trial name
- NCT01806051
- Testing
- Kuvan
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Dr. Linda Randolph
Phenylketonuria
Phase 3 Open-label Study to Evaluate the Response and Safety of Kuvan® in Subjects With Phenylketonuria
This is an open-label, non-comparative, Phase 3 study to evaluate the degree, frequency of response and safety of Kuvan® (sapropterin dihydrochloride) in subjects aged 4 to 18 years who have phenylketonuria and with elevated…
- Trial name
- NCT01732471
- Testing
- Kuvan®
- Where
- Germany
- Volunteers
- 90 people
- Sponsor
- Merck KGaA, Darmstadt, Germany
Phenylketonurias
Open-label, Randomized, 2-way Crossover, Monocentric, Controlled Study to Evaluate the Effect on Daily PHE Fluctuation of PKU GOLIKE Versus SoC in Patients With PKU.
This is an open-label, randomized, 2-way crossover, monocentric controlled study in patients (≥ 16 years old) with phenylketonuria (PKU).
- Trial name
- NCT05827536
- Testing
- PKU GOLIKE, Standard of Care
- Where
- Italy
- Volunteers
- 21 people
- Sponsor
- APR Applied Pharma Research s.a.
Phenylketonuria
Phase 2 Study of Glycomacropeptide Versus Amino Acid Diet for Management of Phenylketonuria
For individuals with Phenylketonuria (PKU), the investigators hypothesize that glycomacropeptide will provide an acceptable form of low-phenylalanine dietary protein that will improve dietary compliance, blood phenylalanine…
- Trial name
- PKU (NCT01428258)
- Testing
- GMP Diet/GMP Medical Foods, AA Diet/AA Medical Foods
- Where
- 2 sites in United States
- Volunteers
- 32 people
- Sponsor
- University of Wisconsin, Madison
Phenylketonuria
Effect of Kuvan on Neurocognitive Function, Blood Phenylalanine Level, Safety, and Pharmacokinetics in Children With PKU
This multicenter, open label study is designed to evaluate the safety of Kuvan® and its effect on neurocognitive function, blood Phe concentration, and growth in children with PKU who are 0-6 years old.
- Trial name
- PKU-015 (NCT00838435)
- Testing
- sapropterin dihydrochloride
- Where
- 19 sites in United States, Canada
- Volunteers
- 95 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria (PKU)
Phase 3 Study to Evaluate the Efficacy & Safety of Self-Administered Injections of BMN165 by Adults With PKU
The BMN 165 clinical development program has been designed to demonstrate the safety and efficacy of BMN 165 in reducing blood Phe concentrations in adults with PKU.
- Trial name
- Prism-2 (NCT01889862)
- Testing
- BMN165 20mg/day, BMN165 40mg/day
- Where
- 29 sites in United States
- Volunteers
- 215 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Safety and Therapeutic Effects of Sapropterin Dihydrochloride on Neuropsychiatric Symptoms in Phenylketonuria (PKU) Patients
This double-blind, placebo-controlled, randomized study is designed to evaluate the safety and therapeutic effects of sapropterin dihydrochloride on neuropsychiatric symptoms in subjects with PKU.
- Trial name
- NCT01114737
- Testing
- Sapropterin dihydrochloride
- Where
- 36 sites in United States, Canada
- Volunteers
- 206 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
The Brain, Neurological Features and Neuropsychological Functioning in Adults With Phenylketonuria: A Pilot Study
Newborn screening and early treatment prevent the most severe manifestations of phenylketonuria (PKU). However, executive functioning deficits, attention deficit disorder, slow processing speed, and visual-motor problems commonly…
- Trial name
- NCT01917344
- Testing
- MRI
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Boston Children's Hospital