Clinical trials: Amino Acid Metabolism
Phenylketonuria
A Long-Term Safety Study of PTC923 in Participants With Phenylketonuria
The main purpose of this study is to evaluate the long-term safety of PTC923 in participants with phenylketonuria, and to evaluate the changes from baseline in dietary phenylalanine (Phe)/protein consumption.
- Trial name
- NCT05166161
- Testing
- PTC923
- Where
- 46 sites in United States, Australia and 17 more
- Volunteers
- 247 people
- Sponsor
- PTC Therapeutics
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Fluid Retention, Sodium Retention
The Effect of AMP Human Sodium Bicarbonate Lotion on Dehydrated Heat Stress
The primary purpose of the proposed study is to evaluate the effects of a topical sodium bicarbonate lotion (PR Lotion, AMP Human, Park City, UT) on measures of hydration status and fluid balance in humans when exposed to the…
- Conditions
- Fluid Retention, Sodium Retention, Heat Stress, Dehydration (Physiology)
- Trial name
- AMP2 (NCT05092854)
- Testing
- PR Lotion - AMP Human Performance, AminoVital - Rapid Recovery
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Connecticut
Phenylketonuria, Hyperphenylalaninemia
Biological Variation of Phenylalanine in Patients With Hyperphenylalaninemia
Phenylketonuria (PKU) is a rare disease where the level of phenylalanine (one of the amino acids) in the body is greatly increased. High levels can cause brain damage, especially in babies and children.
- Trial name
- NCT01869972
- Where
- 2 sites in Canada
- Volunteers
- 32 people
- Sponsor
- Hamilton Health Sciences Corporation
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
Healthy
Efficacy of Different Doses of Amino Acids in 5AA+CrPic Water on Glucose Homeostasis in a Healthy Population.
It has previously been shown that a carbonated water including a defined amount of amino acids and chromium can decrease the postprandial glucose response.
- Trial name
- NCT03411395
- Testing
- 5AA+CrPic Water
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- DoubleGood AB
Age-related Macular Degeneration, Stargardt Disease
Efficacy of Acupuncture in Macular Diseases
This is a single-arm study designed to assess the efficacy of acupuncture (Traditional Chinese Medicine) for chronic macular diseases of several types.
- Conditions
- Age-related Macular Degeneration, Stargardt Disease, Macular Dystrophy
- Trial name
- AMAD (NCT02255981)
- Testing
- Acupuncture and massage
- Where
- 2 sites in Colombia
- Volunteers
- 33 people
- Sponsor
- Escuela Neijing
Type 2 Diabetes, Healthy Individuals
The Effects of Orally Ingesting Branched Chained Amino Acids on Delayed Onset Muscle Soreness in Diabetic Patients
The purpose of this study is to determine the effectiveness of the 3 Branched Chained Amino Acids (isoleucine, leucine, and valine) on treating Delayed Onset Muscle Soreness, a type of muscle pain which usually develops after…
- Trial name
- NCT01211717
- Testing
- Branched Chained Amino Acids
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
ARG1 Deficiency
Evaluation of the Safety of Loargys Arginine Test System in Loargys-treated Patients
Arginase 1 deficiency (ARG1-D) is a rare condition in which the body cannot properly break down a substance called arginine. This leads to high levels of arginine and related substances in the blood, which can cause serious…
- Trial name
- CLEAR (NCT07573059)
- Testing
- Loargys Arginine Test System
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Immedica Pharma US Inc
Cardiovascular Diseases, Cerebrovascular Accident
Homocyst(e)Ine, Vitamin Status, and CVD Risk
To test the hypotheses that the risk of myocardial infarction and/or stroke is associated with elevated plasma levels of homocysteine, and low plasma levels of folate, vitamins B12 and B6.
- Conditions
- Cardiovascular Diseases, Cerebrovascular Accident, Coronary Disease, Myocardial Infarction
- Trial name
- NCT00005482
- Sponsor
- University of Washington
Herpetic Keratitis
Topical Ganciclovir Versus Systemic Aciclovir in the Treatment of Herpetic Keratitis
Traditional antiviral treatments, including systemic acyclovir, have shown effectiveness in resolving keratitis but can also lead to complications, including ocular surface toxicity and the development of acyclovir-resistant…
- Trial name
- NCT06757907
- Testing
- Acyclovir 400 MG, Ganciclovir (GCV)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar University
Weight Loss, Insulin Resistance
Comparison of Different Weight Loss Diets With Different Protein Content
High-protein diets better preserve lean mass than conventional low-fat diets. However, they are costly and have potential health risks.
- Trial name
- NCT02277275
- Testing
- BCAA
- Where
- Singapore
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Hypertension (HTN), Hyperhomocysteinemia
Homocysteine and Early Diastolic Dysfunction in Newly Diagnosed Hypertension
This prospective single-center observational study aims to evaluate the relationship between elevated plasma homocysteine levels and early echocardiographic abnormalities in patients with newly diagnosed essential hypertension.
- Conditions
- Hypertension (HTN), Hyperhomocysteinemia, Diastolic Dysfunction
- Trial name
- HHT-EDD (NCT07480265)
- Testing
- Homocysteine Measurement and Echocardiography
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people
- Sponsor
- Necmettin Erbakan University
Cytomegalovirus Retinitis, HIV Infections
A Phase I Study of the Safety of Proleukin (Aldesleukin) in Combination With Ganciclovir and Antiretroviral Therapy in HIV Seropositive Patients With Cytomegalovirus (CMV) Retinitis
To determine the MTD and dose-limiting toxicities of a regimen of therapeutic ganciclovir, antiretroviral therapy, and recombinant interleukin-2 (aldesleukin; Proleukin) as an immune adjuvant in HIV-seropositive patients.
- Trial name
- NCT00002321
- Testing
- Aldesleukin
- Where
- United States
- Sponsor
- Chiron Corporation
Healthy
Glutamate Supplementation in Young Men
Amino acids play an important role in human metabolism. In aging individuals and in some diseases, certain amino acids, such as glutamate, are at lower than normal levels.
- Trial name
- NCT03425578
- Testing
- MSG, CHO
- Where
- Canada
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
PKU, Tyrosinemias
GMP Case Studies of Tolerance, Safety and Acceptability in PKU and TYR
Three new protein substitutes have been developed to help with compliance in PKU and TYR patients, which are powdered protein substitutes, low in Phe and, low in Phe and Tyr respectively, with a mixed balance of glycomacropeptide…
- Trial name
- NCT05062226
- Testing
- PKU/TYR GMP Protein Substitute
- Where
- United Kingdom
- Volunteers
- 45 people
- Sponsor
- Nutricia UK Ltd
Iron-deficiency
Oral Lactoferrin Versus Iron Supplementation During Pregnancy
Iron deficiency anemia (IDA) is the condition in which there is anemia due to a lack of iron. The oral route is preferred to the parenteral route to replace iron stores [Sharma JB; et al., 2004].
- Trial name
- NCT03542825
- Testing
- Lactoferrin, Iron Supplement, Chelates, Iron
- Where
- Egypt
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- South Valley University
Phenylketonuria
Phenylalanine and Its Impact on Cognition
The PICO-Study is a randomized, placebo-controlled, crossover, non-inferiority trial conducted to add evidence to the current European treatment guidelines for adult patients with phenylketonuria.
- Trial name
- PICO (NCT03788343)
- Testing
- Phenylalanine
- Where
- Switzerland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Phenylketonuria, PAH Deficiency
Long-Term Follow Up Study of Subjects Previously Administered HMI 102
An Open-Label, Long-Term Follow Up Study of Safety and Efficacy in PKU Subjects with PAH Deficiency Previously Administered HMI 102
- Trial name
- NCT04348708
- Testing
- HMI-102
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- Homology Medicines, Inc
Propionic Acidemia, Methylmalonic Acidemia
Long-term Outcome of N-Carbamylglutamate Treatment in Propionic Acidemia and Methylmalonic Acidemia
Background: Very few drugs exist that treat hyperammonemia, specifically PA and MMA. Diet restrictions and alternate pathway agents are the current primary treatments, but they frequently fail to prohibit brain damage.
- Trial name
- NCT01597440
- Testing
- N-carbamylglutamate, Standard of Care
- Where
- 7 sites in United States
- Volunteers
- 1 people
- Sponsor
- Mendel Tuchman