CLINICAL TRIALS PROFILE FOR FALLYPRIDE
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Clinical Trials for Fallypride
| Trial ID | Title | Status | Sponsor | Phase | Summary |
|---|---|---|---|---|---|
| NCT00062946 ↗ | PET Imaging of Dopamine in Healthy Study Participants | Completed | National Institute of Mental Health (NIMH) | Phase 2 | The purpose of this study is to measure molecules on or in cells that interact with a chemical in the nervous system, called dopamine. Investigators will obtain two kinds of images of the brain-a position emission tomography (PET) scan and a magnetic resonance imaging (MRI) scan. Thirty-eight participants aged 18 to 45 will be enrolled in this study. They must have no history of medical or psychiatric illness, including substance abuse. Participants will have four appointments at NIH. On the first visit, they will undergo a physical exam, a medical history, and lab tests. The second and third visits will involve PET scans and the fourth visit will involve an MRI scan. Participants will be compensated up to $430 for their involvement in this study. |
| NCT00633763 ↗ | PET-CT Scan Method to Monitor Pancreatic B-Cell Loss in Diabetes Mellitus | Completed | Juvenile Diabetes Research Foundation | The pancreas is an organ that plays major roles in the digestion of food. A part of the pancreas called islet beta-cells produces insulin, which regulates the amount of glucose (a sugar) present in the blood at all times. Type-1 Diabetes Mellitus (T1DM), an autoimmune disorder characterized by destruction of pancreatic islet beta-cells (the cells that produce insulin), affects at least a million individuals in the US alone. In T1DM, a type of white blood cells called T lymphocytes attacks and destroys the pancreatic islet beta-cells, leading to a loss of insulin, an increase in blood glucose, and a dependence on insulin injections for survival. Despite rigorous control of blood sugar, the majority of diabetic patients develop serious complications including retinopathy, nephropathy, neuropathy, microangiopathy and strokes. Non-invasive methods to monitor pancreatic beta-cell loss associated with type-1 diabetes mellitus (T1DM) could improve early diagnosis, provide tools to measure responsiveness to new therapies, and evaluate the efficiency of pancreatic transplantation and graft survival. Our goal is to develop a non-invasive PET-CT imaging method based on binding of a molecule (18F-fallypride) for tracking beta-cell loss during the progression of T1DM. In preliminary studies we demonstrated specific binding of 18F-fallypride to D2 receptors in rat pancreatic sections and we demonstrated that the loss of pancreatic beta cells in streptozotocin-treated rats was associated with a corresponding decrease in 18F-fallypride binding to pancreatic sections. A preliminary 18F-fallypride PET-CT study done by a collaborator in Ohio on a healthy volunteer, revealed 18F-fallypride-uptake by the pancreas that was distinguishable from surrounding tissues. Aim-1 of our project will measure the variability of 18F-fallypride PET-scanning of the pancreas in six healthy volunteers scanned twice with an interval of 4-6 weeks. In Aim-2 of our project, we will compare fallypride PET-CT scans of 12 patients with long-standing T1DM (nearly all beta cells destroyed) with 12 age- and sex-matched healthy volunteers. If we are able to distinguish between the two groups, we will in future (a) optimize the method so as to be able to detect a 20-30% loss of beta cells, and (b) perform PET-CT studies in new-onset T1DM patients and in at-risk first degree relatives of T1DM patients. | |
| NCT00633763 ↗ | PET-CT Scan Method to Monitor Pancreatic B-Cell Loss in Diabetes Mellitus | Completed | University of California, Irvine | The pancreas is an organ that plays major roles in the digestion of food. A part of the pancreas called islet beta-cells produces insulin, which regulates the amount of glucose (a sugar) present in the blood at all times. Type-1 Diabetes Mellitus (T1DM), an autoimmune disorder characterized by destruction of pancreatic islet beta-cells (the cells that produce insulin), affects at least a million individuals in the US alone. In T1DM, a type of white blood cells called T lymphocytes attacks and destroys the pancreatic islet beta-cells, leading to a loss of insulin, an increase in blood glucose, and a dependence on insulin injections for survival. Despite rigorous control of blood sugar, the majority of diabetic patients develop serious complications including retinopathy, nephropathy, neuropathy, microangiopathy and strokes. Non-invasive methods to monitor pancreatic beta-cell loss associated with type-1 diabetes mellitus (T1DM) could improve early diagnosis, provide tools to measure responsiveness to new therapies, and evaluate the efficiency of pancreatic transplantation and graft survival. Our goal is to develop a non-invasive PET-CT imaging method based on binding of a molecule (18F-fallypride) for tracking beta-cell loss during the progression of T1DM. In preliminary studies we demonstrated specific binding of 18F-fallypride to D2 receptors in rat pancreatic sections and we demonstrated that the loss of pancreatic beta cells in streptozotocin-treated rats was associated with a corresponding decrease in 18F-fallypride binding to pancreatic sections. A preliminary 18F-fallypride PET-CT study done by a collaborator in Ohio on a healthy volunteer, revealed 18F-fallypride-uptake by the pancreas that was distinguishable from surrounding tissues. Aim-1 of our project will measure the variability of 18F-fallypride PET-scanning of the pancreas in six healthy volunteers scanned twice with an interval of 4-6 weeks. In Aim-2 of our project, we will compare fallypride PET-CT scans of 12 patients with long-standing T1DM (nearly all beta cells destroyed) with 12 age- and sex-matched healthy volunteers. If we are able to distinguish between the two groups, we will in future (a) optimize the method so as to be able to detect a 20-30% loss of beta cells, and (b) perform PET-CT studies in new-onset T1DM patients and in at-risk first degree relatives of T1DM patients. | |
| NCT00712270 ↗ | Best Event Schizophrenia Trial--A Randomized Double-Blind Trial of Aripiprazole and Risperidone in Schizophrenia | Terminated | Kettering Health Network | Phase 4 | This study is being conducted to find a way to predict how individual schizophrenic patients will respond if they are treated with different types of antipsychotic drugs. This could help doctors prescribe the medication that will work best for each individual. |
| >Trial ID | >Title | >Status | >Sponsor | >Phase | >Summary |
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