Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Hyperphenylalaninemia”

25 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 25 results

Not applicableWithdrawnNCT04272736
What this trial is testing

PKU Low Calorie Drink Study

Who this might be right for
PhenylketonuriasHyperphenylalaninaemia
Nutricia UK Ltd
Not applicableStudy completedNCT03167697
What this trial is testing

Evaluating the Efficacy of PKU Synergy in Patients Expressing Phenylketonuria or Hyperphenylalaninemia

Who this might be right for
PhenylketonuriasHyperphenylalaninaemia, Type I
Nutricia UK Ltd 14
Post-approval studies (Phase 4)Study completedNCT01082328
What this trial is testing

Response to Kuvan® in Subjects With Phenylketonuria (PKU) in a 4 Weeks Testing Period

Who this might be right for
Phenylketonuria
Merck KGaA, Darmstadt, Germany 59
Post-approval studies (Phase 4)Not Yet RecruitingNCT07477691
What this trial is testing

Immune Modulation During Palynziq® Treatment in Adults (IMPALA)

Who this might be right for
Phenylketonuria
BioMarin Pharmaceutical 12
Not applicableEnded earlyNCT01541397
What this trial is testing

Bone Mineral Density in Adults With Hyperphenylalaninemia on Kuvan Therapy

Who this might be right for
HyperphenylalaninemiaPhenylketonuria
The University of Texas Health Science Center, Houston 6
Large-scale testing (Phase 3)Ended earlyNCT00432822
What this trial is testing

Long-Term Tetrahydrobiopterin Treatment in PKU Patients of 0-18 Years - Study on Phenylalanine Tolerance and Safety

Who this might be right for
Phenylalanine Hydroxylase Deficiencies
Orphanetics Pharma Entwicklungs GmbH 50
Not applicableStudy completedNCT04375592
What this trial is testing

Acceptability and Tolerance of a Ready-to-use Protein Substitute in Tablet Form for the Dietary Management of Phenylketonuria

Who this might be right for
PhenylketonuriasHyperphenylalaninaemiaTetrahydrobiopterin Deficiency
metaX Institut fuer Diatetik GmbH 10
Testing effectiveness (Phase 2)Study completedNCT03519711
What this trial is testing

PTC923 (CNSA-001) in Primary Tetrahydrobiopterin (BH4) Deficient Participants With Hyperphenylalaninemia

Who this might be right for
BH4 DeficiencyHyperphenylalaninemia
PTC Therapeutics 8
Not applicableStudy completedNCT00065299
What this trial is testing

Low Phenylalanine Diet for Mothers With Phenylketonuria (PKU)

Who this might be right for
Phenylketonuria
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) 572
Not applicableStudy completedNCT01869972
What this trial is testing

Biological Variation of Phenylalanine in Patients With Hyperphenylalaninemia

Who this might be right for
PhenylketonuriaHyperphenylalaninemia
Hamilton Health Sciences Corporation 32
Not applicableStudy completedNCT00338520
What this trial is testing

Hyperphenylalaninemia in Cerebral Malaria

Who this might be right for
Plasmodium Falciparum Malaria
University of Utah 285
Not applicableStudy completedNCT01924026
What this trial is testing

Neurocognitive Outcomes in Mild Hyperphenylalaninemia (MHP)MHP Study

Who this might be right for
PhenylketonuriaMild Hyperphenylalaninemia
The Hospital for Sick Children 10
Not applicableStudy completedNCT00778206
What this trial is testing

PKUDOS: Phenylketonuria (PKU) Demographic, Outcomes, and Safety Registry

Who this might be right for
PhenylketonuriaHyperphenylalaninaemia
BioMarin Pharmaceutical 1,887
Not applicableLooking for participantsNCT04896281
What this trial is testing

Phenylalanine-free Diet for Patients With Secondary Hyperphenylalaninemia in ICU

Who this might be right for
Non-Phenylketonuric Hyperphenylalaninemia
Chang Gung Memorial Hospital 100
Not applicableStudy completedNCT01016392
What this trial is testing

Observational Study on the Long Term Safety of Kuvan® Treatment in Patients With Hyperphenylalaninemia (HPA) Due to Phenylketonuria (PKU) or BH4 Deficiency

Who this might be right for
Hyperphenylalaninemia (HPA) Due to Phenylketonuria (PKU) or Tetrahydrobiopterin (BH4) Deficiency
BioMarin Pharmaceutical 627
Not applicableStudy completedNCT01209819
What this trial is testing

Bone Mineral Density in Adults With Hyperphenylalaninemia

Who this might be right for
Phenylketonurias
The University of Texas Health Science Center, Houston 28
Not applicableStudy completedNCT01879995
What this trial is testing

Phenylketonuria and Hyperphenylalaninemia Nutrition Study

Who this might be right for
Phenylketonuria (PKU) and Hyperphenylalaninemia
University of Zurich 30
Not applicableApproved For MarketingNCT00484991
What this trial is testing

Sapropterin Expanded Access Program

Who this might be right for
Phenylketonuria
BioMarin Pharmaceutical
Not applicableEnrolling By InvitationNCT03655223
What this trial is testing

Early Check: Expanded Screening in Newborns

Who this might be right for
Spinal Muscular AtrophyFragile X SyndromeFragile X - Premutation+182 more
RTI International 30,000
Not applicableStudy completedNCT01619722
What this trial is testing

Study of a National Cohort of Adult Patients With Phenylketonuria

Who this might be right for
PKUHyperphenylalaninemia
University Hospital, Tours 220
Load More Results