Clinical trials: Amino Acids
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
Schizophrenia
Adaptive Phase II Study to Evaluate the Safety & Efficacy of NaBen®
The purpose of this study is to determine if NaBen® is a safe and effective add-on treatment for schizophrenia in adolescents.
- Trial name
- NCT01908192
- Testing
- NaBen®
- Where
- 23 sites in United States, Taiwan
- Volunteers
- 60 people
- Sponsor
- SyneuRx International (Taiwan) Corp
Phenylketonuria, Tyrosinemia
GMP Powdered Substitutes in PKU and TYR
Four new GMP-based protein substitutes have been developed to support the dietary management of PKU and TYR. These products are powdered protein substitutes, low in phenylalanine and low in phenylalanine and tyrosine…
- Trial name
- NCT06941532
- Testing
- GMP Intervention Product
- Where
- United Kingdom
- Volunteers
- 40 people
- Sponsor
- Nutricia UK Ltd
Amino Acid Absorption, Probiotic
Changes in Amino Acid Absorption After Adding a Probiotic to an Acute Protein Feeding
The purpose of this study is to examine the rate and concentration of amino acid absorption after a three-week pattern of milk protein supplementation with and without the addition of a single strain probiotic.
- Trial name
- NCT06701604
- Testing
- Single Strain Probiotic + Milk Protein
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Archer-Daniels-Midland Company
Phenylketonuria, Healthy
Safety and Tolerability of SYNB1618 in Healthy Adult Volunteers and Adult Subjects With Phenylketonuria
This Phase 1/2a, first-in-human, oral single and multiple dose-escalation, randomized, double-blinded, placebo-controlled study is evaluating SYNB1618 in healthy volunteers (HV) and subjects diagnosed with phenylketonuria (PKU)…
- Trial name
- PKU (NCT03516487)
- Testing
- SYNB1618
- Where
- 4 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Synlogic
Enteral Nutrition
Safety and Efficacy of an Amino Acid Blend on Muscle and Gut Functionality in ICU Patients
Assessment of the Safety and efficacy of an amino acid blend on muscle and gut functionality in Intensive Care Unit (ICU) patients.
- Trial name
- NCT02968836
- Testing
- Blend of amino acids, Maltodextrin only
- Where
- France
- Volunteers
- 35 people
- Sponsor
- Société des Produits Nestlé (SPN)
Arginase I Deficiency, Hyperargininemia
A Study of Safety of Weekly Subcutaneous Pegzilarginase in Subjects With Arginase 1 Deficiency
This is an open-label, multicenter study to evaluate the safety of weekly SC administration of pegzilarginase over 12 months in subjects with ARG1-D.
- Trial name
- NCT05676853
- Testing
- Pegzilarginase
- Where
- Canada
- Volunteers
- 3 people
- Sponsor
- Aeglea Biotherapeutics
Urea Cycle Disorders
Human Heterologous Liver Cells for Infusion in Children With Urea Cycle Disorders
Treatment with liver cell infusion for children with urea cycle disorders (UCD).
- Trial name
- NCT01195753
- Testing
- HHLivC
- Where
- 5 sites in United States, Canada
- Volunteers
- 10 people
- Sponsor
- Cytonet GmbH & Co. KG
Cow's Milk Allergy
Study to Assess Hypoallergenicity of a New Amino-acid Based Infant Formula in Children With Cow's Milk Allergy
This is a prospective, controlled, multi-country study to verifying the hypoallergenicity of the new amino acid-based formula in infants and children aged< 12 years with documented cow's milk protein allergy (CMPA).
- Trial name
- RAF (NCT02414243)
- Testing
- New Amino Acid formula, Commercially available Amino Acid Formula
- Where
- Italy
- Volunteers
- 41 people
- Sponsor
- Laboratorios Ordesa
Ornithine Transcarbamylase Deficiency
Safety, Tolerability and PK/PD Evaluation of Intravenous Administration of MRT5201 in Patients With OTC Deficiency
This Phase 1/2, first-in-human study will evaluate the safety and tolerability of single escalating doses of MRT5201 administered intravenously to subjects with OTC Deficiency (OTCD).
- Trial name
- STEP-OTC (NCT03767270)
- Testing
- MRT5201
- Sponsor
- Translate Bio, Inc.
PKU
Evaluation of PKU UP
PKU UP is a prospective, single-arm, open-label, 26-week acceptability study to evaluate PKU UP for the dietary management of participants with phenylketonuria (PKU).
- Trial name
- PKU UP (NCT05995717)
- Testing
- PKU UP
- Where
- 7 sites in United Kingdom
- Volunteers
- 16 people
- Sponsor
- Vitaflo International, Ltd
Cow Milk Allergy
A Growth and Hypoallergenicity Study of a New Formula for Infants With Cow Milk Allergy
This study involves the use of 2 different Neocate formulas: a control formula called Neocate Infant and a test Neocate formula.
- Trial name
- CMA (NCT00664768)
- Testing
- Neocate Infant, new Neocate
- Where
- 22 sites in United States
- Volunteers
- 126 people
- Sponsor
- Nutricia North America
BH4 Deficiency, Hyperphenylalaninemia
A Study of PTC923 (CNSA-001) in Primary Tetrahydrobiopterin (BH4) Deficient Participants With Hyperphenylalaninemia
This study has been designed to demonstrate the safety, pharmacokinetics (PK) and preliminary efficacy of PTC923 (CNSA-001) in reducing blood phenylalanine concentrations in participants with hyperphenylalaninemia due to primary…
- Trial name
- NCT03519711
- Testing
- PTC923
- Where
- 4 sites in United States
- Volunteers
- 8 people
- Sponsor
- PTC Therapeutics
Phenylketonuria
Study of Phenoptin in Subjects With Phenylketonuria Who Participated in Protocols PKU-004 or PKU-006
The objective of this study is to evaluate the safety of long-term treatment with Phenoptin in subjects with phenylketonuria (PKU) who participated in Phase 3 clinical studies with Phenoptin.
- Trial name
- NCT00332189
- Testing
- sapropterin dihydrochloride
- Where
- 14 sites in United States
- Volunteers
- 111 people
- Sponsor
- BioMarin Pharmaceutical
Antiphospholipid (aPL)-Positive, Rheumatic Arthritis
MENA/Levant Epidemiological, Registry of Immunological & Clinical Traits (MERIT)
The primary objective of this multicenter observational registry is to characterize the clinical, epidemiological, and biological profiles of individuals of Middle Eastern, North African, and Levantine ancestry, including…
- Conditions
- Antiphospholipid (aPL)-Positive, Rheumatic Arthritis, Celiac Disease, Focal Segmental Glomerulosclerosis (FSGS)
- Trial name
- MERIT (NCT07892651)
- Where
- Jordan
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Axiom Bioregistry
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
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
Ornithine Transcarbamylase Deficiency, OTC Deficiency
Study for Adolescents and Adults With Ornithine Transcarbamylase Deficiency to Evaluate Safety and Tolerability of ARCT-810
The primary objective is to evaluate the safety and tolerability of repeated doses of intravenously administered ARCT-810.
- Conditions
- Ornithine Transcarbamylase Deficiency, OTC Deficiency, OTCD
- Trial name
- NCT05526066
- Testing
- ARCT-810
- Where
- 14 sites in Belgium, France and 4 more
- Volunteers
- 8 people
- Sponsor
- Arcturus Therapeutics, Inc.
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
Parenteral Nutrition (No Primary Condition Studied)
Dosing Study of Amino Acids in Seriously Ill Patients
The purpose of this study is to determine the best rate of infusion of amino acids (15% CLINISOL - sulfite-free (Amino Acid) Injection) for nutrition in subjects with with stages II to IVB head and neck cancer.
- Trial name
- NCT01923480
- Testing
- 15% CLINISOL - Sulfite-free (Amino Acid) Injection
- Where
- 2 sites in United States
- Volunteers
- 16 people
- Sponsor
- Baxter Healthcare Corporation