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CLINICAL TRIALS PROFILE FOR CYSTAGON

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All Clinical Trials for Cystagon

Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
NCT00028262	Cystagon to Treat Infantile Neuronal Ceroid Lipofuscinosis	Completed	Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)	Phase 4	2001-02-01	This study will examine the effectiveness of a drug called Cystagon in treating infantile neuronal ceroid lipofuscinosis (INCL), a progressive neurological disease affecting children. At around 11 to 13 months of age, patients develop slowed head growth, mild brain atrophy (wasting), electroencephalographic (EEG) changes and retinal deterioration, with symptoms worsening over time. The disease results from an enzyme deficiency that causes fatty compounds called ceroid to accumulate in cells. In laboratory experiments, Cystagon has helped remove ceroid from cells of patients with INCL. Children with INCL between 6 months and 3 years of age may be eligible for this study. Participants take Cystagon daily by mouth every 6 hours. They are admitted to the NIH Clinical Center for a 4- to 5-day period every 6 months for the following tests and evaluations: - Review of medical history, including a detailed record of seizures, physical examination, blood tests and clinical photographs. For the initial baseline studies, examinations may also be scheduled with pediatric neurology, ophthalmology and anesthesia services. - Magnetic resonance imaging (MRI) of the brain MRI uses a powerful magnet, radio waves, and computers to provide detailed images of the brain without the use of X-rays. The patient lies on a table that slides inside a donut-shaped machine containing a magnetic field. The child requires general anesthesia for the procedure. - Electroretinogram (ERG) measures the function of the retina, the light-sensitive tissue in the back of the eye. To record the flash ERG, a special contact lens is placed on the eye s surface and the eye is stimulated with flashes of light. Infants and very young children require general anesthesia for the procedure. - Visual evoked potential (VEP) measures the function of the visual pathway from the eye to the brain. To record the VEP, five electrodes are placed on the scalp and the eye is stimulated with flashes of light. Infants and very young children must be anesthetized for the procedure. - Electroencephalogram (EEG) measures brain electrical activity, using electrodes placed on the scalp. The test is useful in defining seizures. The child may need to be sedated to keep still during the test. - Skin biopsy A small piece of skin is removed (usually from the upper arm or shoulder) under local anesthetic to grow cells in the laboratory. This procedure is done at the start of the study and is repeated after 1 year if therapy results are promising. Children s condition may improve, stabilize or worsen during this study. Life may be prolonged without significant improvement in quality. The information gained from the study may help scientists develop more potent drugs to treat INCL.
NCT00359684	Use of Cysteamine in the Treatment of Cystinosis	Recruiting	National Human Genome Research Institute (NHGRI)	Phase 4	1978-07-01	Cystinosis is an inherited disease resulting in poor growth and kidney failure. There is no known cure for cystinosis, although kidney transplantation may help the renal failure and prolong survival. Both the kidney damage and growth failure are thought to be due to the accumulation of the amino acid cystine within the cells of the body. The cystine storage later damages other organs besides the kidneys, including the thyroid gland, pancreas, eyes, and muscle. The drug cysteamine (Cystagon) is an oral medication given to patients with cystinosis prior to kidney transplantation. The drug works by reducing the level of cystine in the white blood cells and muscle tissue. The drug may also decrease levels of cystine in the kidneys and other tissues. This study has several goals: 1. Long-term surveillance of cysteamine (Cystagon) treated patients. 2. Detection of new non-kidney complications of cystinosis. 3. Maintenance of a patient population for genetic testing (mutational analysis) of the cystinosis gene.
NCT00715559	Cysteamine Therapy for Major Depressive Disorder	Terminated	Icahn School of Medicine at Mount Sinai	N/A	2008-07-01	The purpose of this study is to determine whether cysteamine bitartrate, an FDA-approved drug for a non-psychiatric condition, is safe and effective for the treatment of major depression.
NCT00715559	Cysteamine Therapy for Major Depressive Disorder	Terminated	Murrough, James, M.D.	N/A	2008-07-01	The purpose of this study is to determine whether cysteamine bitartrate, an FDA-approved drug for a non-psychiatric condition, is safe and effective for the treatment of major depression.
NCT00872729	Pilot Study of Safety, Tolerability, Pharmacokinetics/Pharmacodynamics of RP103 Compared to Cystagon® in Patients With Cystinosis	Completed	Raptor Pharmaceuticals Inc.	Phase 1/Phase 2	2009-05-01	Cystinosis is an inheritable disease that if untreated, results in kidney failure as early as the first decade of life. The current marketed therapy is Cystagon® (cysteamine bitartrate) which must be taken every six hours for the rest of the patient's life to prevent complications of cystinosis. RP103 is a formulation of cysteamine bitartrate that is being studied to see if it may be able to be given less frequently, once every 12 hours, and have similar results.
NCT01000961	Phase 3 Study of Cysteamine Bitartrate Delayed-release (RP103) Compared to Cystagon® in Patients With Cystinosis	Completed	Raptor Pharmaceuticals Inc.	Phase 3	2010-06-01	Cystinosis is an inherited disease that if untreated, results in kidney failure as early as the first decade of life. The current marketed therapy is Cystagon® (cysteamine bitartrate) which must be taken every six hours for the rest of the patient's life to prevent complications of cystinosis. RP103 is a formulation of cysteamine bitartrate that is being studied to see if it may be able to be given less frequently, once every 12 hours, and have similar results to four times a day Cystagon®.

Clinical Trial Conditions for Cystagon

Condition Name

Condition Name for Cystagon
Intervention	Trials
Cystinosis	7
Nephropathic Cystinosis	1
Major Depressive Disorder	1
Infantile Neronal Ceroid Lipofuscinosis	1

Condition MeSH

Condition MeSH for Cystagon
Intervention	Trials
Cystinosis	7
Fanconi Syndrome	3
Depressive Disorder, Major	1
Depressive Disorder	1

Clinical Trial Locations for Cystagon

Trials by Country

Trials by Country for Cystagon
Location	Trials
United States	17
Netherlands	3
France	3
United Kingdom	2
Italy	1

Trials by US State

Trials by US State for Cystagon
Location	Trials
California	5
Illinois	4
Georgia	3
Texas	2
Maryland	2

Clinical Trial Progress for Cystagon

Clinical Trial Phase

Clinical Trial Phase for Cystagon
Clinical Trial Phase	Trials
Phase 4	2
Phase 3	4
Phase 1/Phase 2	2

Clinical Trial Status

Clinical Trial Status for Cystagon
Clinical Trial Phase	Trials
Completed	5
Active, not recruiting	3
Recruiting	1

Clinical Trial Sponsors for Cystagon

Sponsor Name

Sponsor Name for Cystagon
Sponsor	Trials
Raptor Pharmaceuticals Inc.	5
Raptor Pharmaceuticals Corp.	1
University of Aberdeen	1

Sponsor Type

Sponsor Type for Cystagon
Sponsor	Trials
Other	7
Industry	6
NIH	2