Clinical trials: Hyperphenylalaninaemia
Plasmodium Falciparum Malaria
Hyperphenylalaninemia in Cerebral Malaria
The purpose of this study is to see if children, who develop coma from malaria, are not making enough of a vitamin-like chemical, tetrahydrobiopterin (BH4), which is required for the brain to function normally.
- Trial name
- NCT00338520
- Where
- Tanzania
- Volunteers
- 285 people, healthy volunteers welcome
- Sponsor
- University of Utah
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
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
PKU, Hyperphenylalaninemia
Study of a National Cohort of Adult Patients With Phenylketonuria
Phenylketonuria (PKU) is a metabolic disease of genetic origin. This is a rare disease (incidence 1 / 16000 births) which is the subject of a systematic neonatal screening in France, because it is treatable by a diet low in…
- Trial name
- ECOPHEN (NCT01619722)
- Where
- 16 sites in France
- Volunteers
- 220 people
- Sponsor
- University Hospital, Tours
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
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
Phenylketonuria
Immune Modulation During Palynziq® Treatment in Adults (IMPALA)
Study 165-401 is a Phase 4, open-label study designed to examine the concomitant use of methotrexate (MTX) to suppress immune responses to Palynziq and improve tolerability and efficacy in adults with PKU.
- Trial name
- NCT07477691
- Testing
- Pegvaliase, Methotrexate
- Where
- 12 sites in United States
- Volunteers
- 12 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Sapropterin Expanded Access Program
The Purpose of this study is to provide patients with hyperphenylalaninemia (HPA) due to Phenylketonuria (PKU) access to sapropterin dihydrochloride and to collect more information about the safety of the drug in an expanded…
- Trial name
- NCT00484991
- Testing
- Sapropterin dihydrochloride
- Where
- 36 sites in United States
- Sponsor
- BioMarin Pharmaceutical