Clinical trials: Phenylketonurias
Phenylketonuria
SNAP: Study Nutrients in Adult 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
- SNAP (NCT03858101)
- Where
- 4 sites in Belgium, Denmark and 1 more
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Nutricia Research
Healthy
Impact of Single Exercise Session Conducted Prior to PKU Type Meal on Appetite Hormones and Energy Intake
The study applied a randomized, crossover design with preliminary (screening) session and two sequenced experimental trials. Trials were marked as Control trial and Exercise trial.
- Trial name
- NCT04302285
- Testing
- PKU type meal and Exercise, PKU type meal
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Glasgow
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
Healthy Volunteers
A Trial to Examine the Interaction of Repinatrabit With Ethinyl Estradiol/Norethindrone, Metformin,Carbamazepine, Rosuvastatin, and Methotrexate When Administered Together
The purpose of this study is to assess the drug-drug interaction (DDI) of repinatrabit with ethinyl estradiol/norethindrone or norethisterone (EE/NE), metformin, rosuvastatin, carbamazepine, and methotrexate in healthy…
- Trial name
- NCT07446400
- Testing
- Repinatrabit, EE/NE, Metformin
- Where
- Australia
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
PKU, Hyperphenylalaninemia
Antioxidant Signature in Adult Patients With Phenylketonuria
To date, oxidative stress in PKU has been evaluated only with fragmented approaches.The aim of the present study is to investigate oxidative stress in PKU with more comprehensive methods.The relationship between oxidative stress…
- Trial name
- StressOX-PCU (NCT02212288)
- Testing
- Blood sample, Urine sample
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Tours
COPD, Tetrahydrobiopterin Deficiency
O2 Transport and Utilization in Health and Lung Disease
Skeletal muscle dysfunction is a frequent and clinically relevant systemic manifestation of Chronic Pulmonary Obstructive Disease (COPD), which is still poorly understood.
- Conditions
- COPD, Tetrahydrobiopterin Deficiency, Oxidative Stress
- Trial name
- NCT04014712
- Testing
- Tetrahydrobiopterin
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Massachusetts, Amherst
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
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
Phenylketonurias
Testing of Four Home Phenylalanine Monitoring Prototype Devices
The objective of this study is to test four home phenylalanine monitoring prototype devices, selected out of a pool of candidates by the National PKU Alliance Scientific Committee.
- Trial name
- NCT02445521
- Where
- 3 sites in United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Emory University
Nutritional Deficiencies, Phenylketonuria
Follow-up of Adult Phenylketonuria (PKU) Patients
Adult patients with phenylketonuria (PKU) at the age around 40 years belong to the first patients generation with early treatment of the disease.
- Trial name
- NCT01096758
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ludwig-Maximilians - University of Munich
Phenylketonuria
Phenylketonuria, Oxidative Stress, and BH4
The purpose of this study is to see how tetrahydrobiopterin therapy (BH4; also known as sapropterin dihydrochloride or Kuvan) affects measures of oxidative stress and endothelial function in patients with Phenylketonuria (PKU).
- Trial name
- NCT01395394
- Testing
- Kuvan, Meal Challenge
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Emory University
Cerebral Palsy (CP)
Go For It: to Improve Levels of Daily Physical Activity and to Reduce the Sedentary Life Style of Adolescents With CP
Long hours of daily sitting and lack of Physical Activity (PA) are risk factors for morbidity and mortality. People with movement disabilities, including adolescents with Cerebral Palsy (CP) tend to lead a sedentary life styl and…
- Trial name
- NCT02978469
- Testing
- Life style changing: reducing sedentary behavior
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Phenylketonuria
A Phase 1 Study to Evaluate Effects of Sapropterin Dihydrochloride on QTc Intervals in Healthy Adult Subjects
Sapropterin dihydrochloride (subsequently referred to as sapropterin) (Kuvan®) was approved by the FDA for the treatment of hyperphenylalaninemia in 2007.
- Trial name
- NCT00789568
- Testing
- sapropterin dihydrochloride, Moxifloxacin
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Effect of L-carnitine Supplementation on Phenylalanine and Brain-derived Neurotrophic Factor Levels in Infants and Children With Phenylketonuria
Effect of L-carnitine supplementation on phenylalanine and brain-derived neurotrophic factor levels in infants and children with phenylketonuria L-carnitine is mainly obtained from foods such as red meat and milk that are limited…
- Trial name
- NCT06901323
- Testing
- L-carnitine
- Where
- Egypt
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Hyperphenylalaninemia, Phenylketonuria
Bone Mineral Density in Adults With Hyperphenylalaninemia on Kuvan Therapy
Prospective study to compare the bone mineral density in adults with HPA on KUVAN™ therapy to those not on therapy. The investigators hypothesize that after one year of KUVAN™ therapy, there will be an improvement in their bone…
- Trial name
- NCT01541397
- Testing
- Sapropterin
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Phenylketonuria (PKU)
Brain Aging in Phenylketonuria
Background: Historically, the primary goal in managing phenylketonuria (PKU) has been to prevent severe and irreversible intellectual disability, as well as to address nutritional deficiencies that could lead to growth…
- Trial name
- NCT06969209
- Where
- Switzerland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Phenylketonurias
Amino Acid Kinetics of GMP-AA in Healthy Human Volunteers
Children with phenylketonuria (PKU) are treated with a special diet supplemented with a synthetic protein based on amino acids. These have a poor taste and are inefficiently used by the body.
- Trial name
- NCT05971563
- Testing
- Casein, L-amino acids, CGMP-AA
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Birmingham Women's and Children's NHS Foundation Trust
Phenylketonurias
Remote Neurocognitive and Psychological Assessment in PKU
PKU is a rare autosomal recessive condition associated with disruption in dopamine synthesis. Although early diagnosis and treatment prevent the severe impairments associated with untreated PKU, individuals with early-treated PKU…
- Trial name
- NCT04943393
- Testing
- nointervention
- Where
- 2 sites in United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
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