Clinical trials: Phenylketonuria
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
Phenylketonuria, Maternal
A Global, Multicenter Study to Assess Maternal, Fetal and Infant Outcomes of Exposure to Palynziq® (Pegvaliase) During Pregnancy and Breastfeeding
This is a Phase 4 observational study designed to assess the impact of Palynziq ® (pegvaliase) treatment in pregnant women with PKU and on their offspring who were exposed to pegvaliase at any time during pregnancy and…
- Trial name
- PALomino (NCT05579548)
- Testing
- Pegvaliase
- Where
- 4 sites in United States, Canada and 2 more
- Volunteers
- 50 people
- Sponsor
- BioMarin Pharmaceutical
Endothelial Dysfunction
A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction
This Phase 2, randomized, open-label, 2-treatment, 2-sequence, 2-period crossover, pharmacokinetic (PK) study will compare plasma concentrations of BH4 in subjects with endothelial dysfunction following 14 days of treatment by…
- Trial name
- NCT00532844
- Testing
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria (PKU)
PKU Microtablets Case Studies
Phenylalanine (Phe) free protein substitutes are typically presented in ready to drink liquid or powder format and are made up with water to a set volume.
- Trial name
- NCT07671859
- Testing
- PKU Microtablet protein substitute
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Nutricia UK Ltd
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
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
Phenylketonurias, PAH Deficiency
Gene Therapy Clinical Study in Adult PKU
This is a Phase 1/2, open-label, randomized, concurrently-controlled, dose escalation study to evaluate the safety and efficacy of HMI-102 in adult PKU subjects with PAH deficiency.
- Trial name
- pheNIX (NCT03952156)
- Testing
- HMI-102
- Where
- 13 sites in United States
- Volunteers
- 10 people
- Sponsor
- Homology Medicines, Inc
Phenylketonuria
Efficacy and Safety of SYNB1618 and SYNB1934 in Adult Patients With Phenylketonuria
This Phase 2 study in patients with phenylketonuria (PKU) will be an open-label, dual-arm study of either a SYNB1618 or SYNB1934 dose-ramp regimen.
- Trial name
- SynPheny-1 (NCT04534842)
- Testing
- SYNB1618, SYNB1934
- Where
- 11 sites in United States
- Volunteers
- 20 people
- Sponsor
- Synlogic
Phenylketonuria
Dose-Finding Study to Evaluate the Safety, Efficacy, & Tolerability of Multiple Doses of rAvPAL-PEG in Subjects With PKU
The purpose of this study is to evaluate whether weekly injections of phenylalanine ammonia lyase (rAvPAL-PEG) can reduce blood phenylalanine concentrations in PKU subjects and whether repeated administration is safe.
- Trial name
- NCT00925054
- Testing
- rAvPAL-PEG 0.001 mg/kg, rAvPAL-PEG 0.003 mg/kg, rAvPAL-PEG 0.01 mg/kg
- Where
- 11 sites in United States
- Volunteers
- 40 people
- Sponsor
- BioMarin Pharmaceutical
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
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
Phenylketonuria
Kuvan®'s Effect on the Cognition of Children With Phenylketonuria
The study is a single-cohort, interventional, open-label trial to evaluate long-term neurocognitive (NC) outcomes in children aged 4 to 5 years with phenylketonuria (PKU) treated with Kuvan® and Phenylalanine-restricted diet over…
- Trial name
- KOGNITO (NCT01965912)
- Testing
- Kuvan®
- Where
- 12 sites in Germany, Italy and 2 more
- Volunteers
- 34 people
- Sponsor
- BioMarin Pharmaceutical
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
Phenylketonuria
An Open-Label Phase 3 Study of BMN 165 for Adults With PKU Not Previously Treated w/ BMN 165
The BMN 165 clinical development program has been designed to demonstrate the safety and efficacy of BMN 165 in reducing blood Phe concentrations in patients 18 to 70 years old with hyperphenylalaninemia due to PKU.
- Trial name
- Prism301 (NCT01819727)
- Testing
- BMN 165
- Where
- 31 sites in United States
- Volunteers
- 261 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
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
Sapropterin on Cognitive Abilities in Young Adults With Phenylketonuria
This is a Phase 2a multicenter, double-blind, placebo-controlled, randomized, 2-arm pilot trial designed to assess the effect of sapropterin on cognitive abilities in young adults with Phenylketonuria (PKU) over a 26-week…
- Trial name
- SIGNAL (NCT01977820)
- Testing
- Sapropterin
- Where
- 2 sites in Italy, Switzerland
- Volunteers
- 2 people
- Sponsor
- BioMarin Pharmaceutical
Phenylketonuria
Long-Term Extension of Previous rAvPAL-PEG Protocols in Subjects With PKU (PAL-003)
This study is an extension of previous rAvPAL-PEG studies. Administration of rAvPAL-PEG will be continued to assess whether long-term dosing of rAvPAL-PEG is safe and can maintain reduced blood Phe concentrations in PKU subjects.
- Trial name
- NCT00924703
- Testing
- rAvPAL-PEG
- Where
- 14 sites in United States
- Volunteers
- 68 people
- Sponsor
- BioMarin Pharmaceutical
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
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.