Clinical trials: Phenylketonurias
Phenylketonurias
Study to Evaluate the Effect on Nitrogen Retention of Two Different Posology Schemes of PKU GOLIKE PLUS 3-16 and Free AAs in Patients With Phenylketonuria
This is an open-label, randomized, 4-way crossover, monocentric, controlled study in patients (3 ≤ years of age ≤ 20 )) with phenylketonuria (PKU).
- Trial name
- NCT05229549
- Testing
- GOLIKE PLUS 3-16, Free AAs
- Where
- Italy
- Volunteers
- 5 people
- Sponsor
- APR Applied Pharma Research s.a.
Phenylketonuria (PKU)
Evaluation of BH4 Responsiveness in Our PKU Patients
This study aims to evaluate BH4 responsiveness in our PKU patients and to correlate BH4 responsiveness with their genotype
- Trial name
- NCT07255599
- Testing
- Sapropterin Dihydrochloride (BH4, tetrahydrobiopterin)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Sohag University
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
Phenylketonuria (PKU)
PKU EASY Microtabs Plus - Acceptability and Tolerance
PEMP-AT is a prospective, single-arm, open-label, 1-week acceptability study to evaluate PKU EASY Microtabs Plus for the dietary management of participants with phenylketonuria (PKU).
- Trial name
- PEMP-AT (NCT06694662)
- Testing
- PKU EASY Microtabs Plus
- Where
- United Kingdom
- Volunteers
- 10 people
- Sponsor
- Galen Limited
Phenylketonurias, Hyperphenylalaninaemia
PKU Low Calorie Drink Study
This study will evaluate the compliance, acceptability, gastrointestinal (GI) tolerance and safety of a lower calorie amino acid based liquid protein substitute for patients with Phenylketonuria (PKU) or hyperphenylalaninemia…
- Trial name
- NCT04272736
- Testing
- Low calorie protein substitute
- Sponsor
- Nutricia UK Ltd
Phenylketonuria
Study of Low-grade Systemic Inflammation in Adult Patients With Phenylketonuria
Patient suffering from phenylketonuria have chronic hyperphenylalaninemia. Hyperphenylalaninemia is known to be toxic to central nervous system and cardiovascular system in particular through oxydative stress.
- Trial name
- INGRAPH (NCT04879277)
- Testing
- Blood samples
- Where
- 2 sites in France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Tours
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
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
The Effect of Supplemental Docosahexaenoic Acid (DHA) on Neurocognitive Outcomes in Teen and Adult Women With Phenylketonuria(PKU)
The purpose of this study is to determine if taking supplemental DHA improves measures of processing speed and executive function in teen and adult women with PKU.
- Trial name
- PKU&DHA (NCT00892554)
- Testing
- Docosahexaenoic Acid, Corn/soy oil
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Emory University
Phenylketonuria, PKU
Moderate Intensity Exercise and Phenylketonuria
Phenylketonuria (PKU), an inherited genetic disorder, can cause irreversible brain damage, declined executive function, and autistic tendencies unless a phenylalanine (Phe) restricted diet is consistently maintained throughout…
- Trial name
- NCT01904708
- Testing
- Acute Moderate Intensity Exercise
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Oregon Health and Science University
Phenylketonuria
Kuvan® in Phenylketonuria Patients Less Than 4 Years Old
This is a Phase 3b, multicenter, open-label, randomized, controlled study to evaluate efficacy, safety and population pharmacokinetics of sapropterin dihydrochloride (Kuvan®) in less than 4 year-old infants and children with…
- Trial name
- SPARK (NCT01376908)
- Testing
- Kuvan®, Phenylalanine (Phe)-restricted diet
- Where
- 22 sites in Austria, Belgium and 7 more
- Volunteers
- 56 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonurias
Bone Mineral Density in Adults With Hyperphenylalaninemia
Hyperphenylalaninemia (HPA) is a rare metabolic disorder caused by a deficiency of the enzyme phenylalanine hydroxylase (PAH). Elevated plasma levels of phenylalanine (phe) cause mental retardation, microcephaly, delayed speech…
- Trial name
- NCT01209819
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- The University of Texas Health Science Center, Houston
Phenylketonuria
A Study of JNT-517 in Participants With Phenylketonuria (PKU)
This Phase 3 study will evaluate the safety, effectiveness, tolerability, and how the body processes JNT-517 in children, adolescents, and adults with phenylketonuria.
- Trial name
- NCT06971731
- Testing
- JNT-517
- Where
- 26 sites in United States, Australia and 8 more
- Volunteers
- 120 people
- Sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
Phenylketonurias, PKU
Evaluation of PKU Sphere in Italy
20 participants with PKU will build-up their dietary intake of PKU sphere over 2-16 weeks, depending on their level of metabolic control whilst doing so.
- Trial name
- NCT04679467
- Testing
- PKU sphere
- Where
- 4 sites in Italy
- Volunteers
- 13 people
- Sponsor
- Vitaflo International, Ltd
Phenylketonuria (PKU) and Hyperphenylalaninemia
Phenylketonuria and Hyperphenylalaninemia Nutrition Study
The mainstay of PKU treatment is a low-phenylalanine diet (i.e restriction of natural protein), and supplementation with a protein substitute (a mixture of amino acids free from phenylalanine, also containing micronutrients and…
- Trial name
- NCT01879995
- Where
- 2 sites in Switzerland
- Volunteers
- 30 people
- Sponsor
- University of Zurich
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
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
Phenylketonuria (PKU)
A Long-term, Post-marketing Safety Study of Palynziq in Patients With PKU (PALace)
This is a 10-year multi-center, global, observational study to further characterize the safety profile of pegvaliase, including hypersensitivity reactions, long-term safety and tolerability, and the effectiveness of the…
- Trial name
- PALace (NCT05813678)
- Testing
- Pegvaliase
- Where
- 26 sites in United States, Germany and 1 more
- Volunteers
- 450 people
- Sponsor
- BioMarin Pharmaceutical
Non-Phenylketonuric Hyperphenylalaninemia
Phenylalanine-free Diet for Patients With Secondary Hyperphenylalaninemia in ICU
Hyperphenylalaninemia is not only present in patients with congenital phenylketonuria. In adults with critical illness, hyperphenylalaninemia is noted in some patients and is associated with high mortality rate.
- Trial name
- NCT04896281
- Testing
- Phenylalanine-free milk
- Where
- Taiwan
- Volunteers
- 100 people
- Sponsor
- Chang Gung Memorial Hospital
Phenylketonuria
A Trial to Examine if Repinatrabit is Processed Differently in Adults With Reduced Liver or Kidney Function Compared to Adults With Normal Liver and Kidney Function
This trial is intended to understand how the body processes repinatrabit in people with moderate liver impairment and severe kidney impairment and also to compare these results with people of similar age, weight, and sex who have…
- Trial name
- NCT07713758
- Testing
- Repinatrabit
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.