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This double-blind, placebo-controlled, randomized study is designed to evaluate the safety and therapeutic effects of sapropterin dihydrochloride on neuropsychiatric symptoms in subjects with PKU.
Phenylketonuria (PKU) results from deficient phenylalanine hydroxylase (PAH) activity and leads to toxic phenylalanine (Phe) accumulation in patients with PKU causing mental retardation, microcephaly, delayed speech, seizures, psychiatric symptoms and behavioral abnormalities. Although for most PKU patients early initiation of dietary treatment prevents severe complications, discontinuation of dietary restrictions at an early age is associated with poor cognitive development and neuropsychiatric disorders are present even in early-treated and well controlled PKU patients.
This study, PKU-016, will be conducted in PKU patients to evaluate the therapeutic effects of sapropterin dihydrochloride on the symptoms of attention deficit hyperactivity disorder (ADHD), depression, and anxiety.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Sapropterin dihydrochloride, Placebo
Not yet recruiting
Published on BioPortfolio: 2014-07-23T21:09:22-0400
The primary objective of the study is to evaluate the proportion of responders [≥30% reduction from baseline in blood phenylalanine (Phe) level] to 20 mg/kg/day sapropterin dihydrochlori...
Sapropterin dihydrochloride (subsequently referred to as sapropterin) (Kuvan®) was approved by the FDA for the treatment of hyperphenylalaninemia in 2007. Preclinical and clinical studies...
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.
The primary objective is to evaluate the degree and frequency of response to Phenoptin™ (sapropterin dihydrochloride), as demonstrated by a reduction in blood phenylalanine (Phe) level a...
This is a Phase IIa multicenter, double-blind, placebo-controlled, randomized, 2-arm pilot trial designed to assess the effect of sapropterin on cognitive abilities in young adults with Ph...
This bi-centric, placebo-controlled, randomized, evaluator-blinded, incomplete cross-over clinical phase II trial was initialized to identify the most appropriate concentration of octenidine dihydroch...
Individuals with phenylketonuria (PKU) have a risk of cognitive impairment and inflammation. Many follow a low-phenylalanine (low-Phe) diet devoid of animal protein in combination with medical foods (...
Phenylketonuria (PKU) is a common metabolic disorder caused predominately by mutations in the phenylalanine hydroxylase (PAH) gene. The aim of the study was to design and validate the performance of a...
Phenylketonuria (PKU) is the most common form of amino acid metabolism disorders with autosomal recessive inheritance. The brain damage can be prevented by early diagnosis and a phenylalanine-restrict...
Although placebo analgesia is a well-recognized phenomenon with important clinical implications, the possibility that placebo effects occur during sleep has received little attention. This experimenta...
A condition occurring in untreated or partially treated females with PHENYLKETONURIA when they become pregnant. This may result in damages to the FETUS, including MICROCEPHALY; MENTAL RETARDATION; congenital heart disease; FETAL GROWTH RETARDATION; and CRANIOFACIAL ABNORMALITIES. (From Am J Med Genet 1997 Mar 3;69(1):89-95)
A group of autosomal recessive disorders marked by a deficiency of the hepatic enzyme PHENYLALANINE HYDROXYLASE or less frequently by reduced activity of DIHYDROPTERIDINE REDUCTASE (i.e., atypical phenylketonuria). Classical phenylketonuria is caused by a severe deficiency of phenylalanine hydroxylase and presents in infancy with developmental delay; SEIZURES; skin HYPOPIGMENTATION; ECZEMA; and demyelination in the central nervous system. (From Adams et al., Principles of Neurology, 6th ed, p952).
An anticholesteremic agent that inhibits sterol biosynthesis in animals.
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.
A piperazine derivative, PHOSPHODIESTERASE 5 INHIBITOR and VASODILATOR AGENT that is used as a UROLOGICAL AGENT in the treatment of ERECTILE DYSFUNCTION.
Pulmonary arterial hypertension (PAH) is a chronic, life-threatening disorder characterized by abnormally high blood pressure in the arteries between the heart and lungs of affected individuals. Symptoms can range from mild breathles...
Psychiatry is the study of mental disorders and their diagnosis, management and prevention. Conditions include schizophrenia, severe depression and panic disorders among others. There are pharmaceutical treatments as well as other therapies to help...