Clinical trials: Phenylketonuria
Pku Phenylketonuria, PAH Deficiency
BH4 Responsiveness in PAH Deficiency PKU Patients
Most forms of Phenylketonuria and hyperphenylalanemia are caused by mutations in the PAH gene (phenylalanine hydroxylase) which is responsible for the conversion of Phe into tyrosine, in the presence of the molecular oxygen and…
- Trial name
- NCT04227080
- Testing
- BH4
- Volunteers
- 40 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan
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
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
Phenylketonurias
A 16 Week Study Evaluating the Introduction of a GMP Based Protein Substitute in Participants With PKU
This study aims to measure changes in participants' blood phenylalanine (Phe) levels in participants with PKU when switching from a conventional amino acid based protein substitute to a GMP based protein substitute (PKU Sphere)…
- Trial name
- GMP In PKU (NCT03771391)
- Testing
- PKU Sphere
- Where
- Germany
- Volunteers
- 15 people
- Sponsor
- Vitaflo International, Ltd
Psychological Well-Being, Caregiver Burden
The Struggle That Is Phenylketonuria : What Do The Patients and Caregivers Suffer From
Objective: To assess the stress levels and life hardships of phenylketonuria patients and their parents.
- Conditions
- Psychological Well-Being, Caregiver Burden, Life Stress
- Trial name
- NCT06280261
- Testing
- parenting stress index, Zarit burden scale, Rosenberg self esteem scale, stait trait anxiety inventory, struggles and difficulties questionnaire
- Where
- Turkey (Türkiye)
- Volunteers
- 156 people
- Sponsor
- Hacettepe University
Phenylketonurias
Metabolic Control and Patient Well-being in Phenylketonuria: do Guidelines Make a Difference?
Treatment of PKU implies for most patients that with strict adherence to dietary treatment they can achieve excellent neurocognitive outcome. Dietary treatment, though, is hard to comply to every day and with every single meal.
- Trial name
- PKU_Guide (NCT05128149)
- Testing
- no intervention
- Where
- Switzerland
- Volunteers
- 200 people
- Sponsor
- University Children's Hospital, Zurich
Pregnancy, Phenylketonuria
Educational, Social Support, and Nutritional Interventions and Their Cumulative Effect on Pregnancy Outcomes and Quality of Life in Teen and Adult Women With Phenylketonuria
The purpose of this project is to study the effectiveness of teaching teens and young women with Phenylketonuria (PKU) or Maple Syrup Urine Disease (MSUD) about their disease and nutrition related issues in a camp environment.
- Trial name
- NCT01659749
- Testing
- Metabolic camp
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Emory University
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
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, Hyperphenylalaninemia
Biological Variation of Phenylalanine in Patients With Hyperphenylalaninemia
Phenylketonuria (PKU) is a rare disease where the level of phenylalanine (one of the amino acids) in the body is greatly increased. High levels can cause brain damage, especially in babies and children.
- Trial name
- NCT01869972
- Where
- 2 sites in Canada
- Volunteers
- 32 people
- Sponsor
- Hamilton Health Sciences Corporation
Phenylketonuria
Kuvan Therapy in Phenylketonuria (PKU): The Effect of Blood Phenylalanine Concentration on Kuvan Response
The investigators will investigate the effect of blood phenylalanine on Kuvan responsiveness in the same patients with PKU when their blood phenylalanine concentrations are altered by diet.
- Trial name
- NCT00841100
- Testing
- Kuvan, Diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of Miami
Phenylalanine Hydroxylase Deficiencies
Long-Term Tetrahydrobiopterin Treatment in PKU Patients of 0-18 Years - Study on Phenylalanine Tolerance and Safety
The aim of the study is to confirm the efficacy and safety of BH4 in the treatment of hyperphenylalaninemia caused by phenylalanine hydroxylase deficiency in patients responsive to BH4.
- Trial name
- NCT00432822
- Testing
- tetrahydrobiopterin (BH4)
- Volunteers
- 50 people
- Sponsor
- Orphanetics Pharma Entwicklungs GmbH
PKU, Phenylketonurias
Market Research - Acceptability Trial for a New PKU Amino Acid Based Protein Substitute
The aim of this study is to demonstrate that a new protein substitute is acceptable and well tolerated in children with PKU.
- Conditions
- PKU, Phenylketonurias, Inborn Errors of Metabolism, Metabolic Disease
- Trial name
- NCT04309331
- Testing
- Motion
- Where
- United Kingdom
- Volunteers
- 12 people
- Sponsor
- Dr. Schär AG / SPA
Phenylketonurias
Nutritional Status in Phenylketonuria
In the era of Phenylketonuria (PKU) newborn screening, early diagnosis in the neonatal period and prompt treatment institution has protected patients from developing severe and irreversible mental retardation.
- Trial name
- TNSPKU (NCT03820804)
- Testing
- Diet, Sapropterin
- Where
- Portugal
- Volunteers
- 94 people
- Sponsor
- Universidade do Porto
Phenylketonurias, PKU
Evaluation of the Express Plus Range
A prospective, open label, acceptability study to evaluate PKU, MSUD, HCU, TYR and GA express plus in the dietary management of 40 patients with IEM.
- Conditions
- Phenylketonurias, PKU, Homocystinuria, Maple Syrup Urine Disease
- Trial name
- express plus (NCT05051657)
- Testing
- PKU express plus
- Where
- 6 sites in United Kingdom
- Volunteers
- 28 people
- Sponsor
- Vitaflo International, Ltd
Phenylketonurias
Study of Phenoptin to Increase Phenylalanine Tolerance in Phenylketonuric Children on a Phenylalanine-restricted Diet
The primary objective of this trial is to evaluate the ability of Phenoptin to increase phenylalanine (phe) tolerance in children with phenylketonuria who are following a phe-restricted diet.
- Trial name
- NCT00272792
- Testing
- Sapropterin Dihydrochloride
- Where
- 9 sites in United States
- Volunteers
- 45 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
The Effects of Kuvan on Functional Brain Connectivity in Individuals With Phenylketonuria (PKU)
The objective of the study is to determine whether Kuvan™ (sapropterin) improves the strength of the functional connectivity between brain regions in individuals with PKU.
- Trial name
- NCT00964236
- Testing
- Sapropterin
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Phenylketonurias, Hyperphenylalaninaemia, Type I
Evaluating the Efficacy of PKU Synergy in Patients Expressing Phenylketonuria or Hyperphenylalaninemia
This study centres around a new one-a-day phenylalanine-free protein substitute for phenylketonuria patients. Fifty eligible adults (≥ 16 years) with proven phenylketonuria or hyperphenylalaninemia will be recruited and randomly…
- Trial name
- NCT03167697
- Testing
- Synergy, Routine
- Where
- 6 sites in United Kingdom
- Volunteers
- 14 people
- Sponsor
- Nutricia UK Ltd
Phenylketonuria (PKU) and Hyperphenylalaninemia, Brain Diseases, Metabolic, Inborn
Market Research of a Slow Release Protein Substitute for the Dietary Management of PKU
XPhePiccosMR is a prospective, single-arm, open label, observational study that aims to evaluate the acceptability and tolerability of XPhe Piccos, a slow-release, phenylalanine-free protein substitute in the form of tiny…
- Conditions
- Phenylketonuria (PKU) and Hyperphenylalaninemia, Brain Diseases, Metabolic, Inborn, Brain Disorder, Metabolic, Brain Diseases
- Trial name
- XPhePiccosMR (NCT07802366)
- Testing
- Slow release, phenylalanine-free protein substitute tablets
- Where
- United Kingdom
- Volunteers
- 10 people
- Sponsor
- metaX Institut fuer Diatetik GmbH
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