CLINICAL TRIALS PROFILE FOR NITRIC OXIDE
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505(b)(2) Clinical Trials for nitric oxide
| Trial Type | Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|---|
| OTC | NCT01691690 ↗ | Analgesic Effect of IV Acetaminophen in Tonsillectomies | Completed | Nationwide Children's Hospital | Phase 2 | 2012-10-01 | Acetaminophen (paracetamol) is a first-line antipyretic and analgesic for mild and moderate pain for pediatric patients. Its common use (particularly in oral form) is underscored by its wide therapeutic window, safety profile, over the counter accessibility, lack of adverse systemic effects (as compared with NSAIDS and opioids) when given in appropriate doses. Although the exact anti-nociceptive mechanisms of acetaminophen continue to be elucidated, these mechanisms appear to be multi-factorial and include central inhibition of the cyclo-oxygenase (COX) enzyme leading to decreased production of prostaglandins from arachidonic acid, interference with serotonergic descending pain pathways, indirect activation of cannabinoid 1 (CB1) receptors and inhibition of nitric oxide pathways through N-methyl-D-aspartate (NMDA) or substance P. Of the above mechanisms, the most commonly known is that of central inhibition of COX enzymes by which the decreased production of prostaglandins diminish the release of excitatory transmitters of substance P and glutamate which are both involved in nociceptive transmission (Anderson, 2008; Smith, 2011). To date, several studies have shown acetaminophen's opioid sparing effect in the pediatric population when given by the rectal or intravenous routes (Korpela et al, 1999; Dashti et al, 2009; Hong et al, 2010). |
| OTC | NCT02675660 ↗ | Single and Multiple Doses of an Oral Formulation of L-Homoarginine in Healthy Human Subjects | Completed | Universitätsklinikum Hamburg-Eppendorf | Phase 1 | 2014-04-01 | This study represents an initial clinical evaluation of an oral formulation of L-homoarginine. L-homoarginine and L-arginine are amino acids found in food proteins and are both substrates for nitric oxide synthase (NOS). L-arginine is available as over the counter nutraceutical. This study will provide information on the dosing of L-homoarginine in order to reach high physiological plasma concentrations in humans. |
| OTC | NCT03878654 ↗ | Trial of Tauroursodeoxycholic Acid (TUDCA) in Asthma | Terminated | University of Vermont | Phase 1 | 2019-01-10 | Asthma is a chronic lung disease that affects millions of people worldwide, including both children and adults. The cause of asthma is not known, but asthma is strongly associated with inflammation of the airways, often caused by allergies. In order to control this inflammation, most people with asthma are treated with inhaled medications that contain steroids. These medications do a good job of helping most people with asthma feel better. However, these medications are expensive, have side effects, and do not control symptoms in all people with asthma. Recently basic science research colleagues have shown that inflammation due to allergies can be reduced in experimental animals by a naturally occurring bile acid. Bile acids are chemicals made in the liver that are involved in maintaining healthy digestion of fat. Since bile acids are made by our bodies, they have become popular as over the counter supplements that are thought to be important in promoting a healthy liver and metabolism. Interestingly, other research has shown that bile acids may help patients with neurological disease and diabetes. Given all of this information, the investigators propose that a specific bile acid called tauroursodeoxycholic acid (TUDCA) may be helpful in patients with asthma. Before studying this in a clinical trial, the current study is designed to demonstrate that people with asthma can take TUDCA safely and that it doesn't hurt their asthma. The study will involve inviting 12 patients with mild asthma to take TUDCA daily for 12 weeks. During this time the investigators will closely monitor them for any side effects and check their blood and breathing capacity for any signs of detrimental effects. In addition, the investigators will collect cells that line the nose, which are thought to be similar to cells in the airways of the lungs, to see if TUDCA is having any beneficial effects on inflammation. In order to ensure the use of high quality TUDCA, which may or may not be true of over the counter supplements, the investigators have asked the company that is supplying TUDCA for the studies mentioned previously involving neurological disease and diabetes to supply the drug; the brand name is Taurolite. In addition, even though TUDCA is available over the counter, in order to use it for research, the FDA has to approve this use. Accordingly, the investigators have applied for and received permission (IND) from the FDA to use Taurolite for this study. |
| >Trial Type | >Trial ID | >Title | >Status | >Sponsor | >Phase | >Start Date | >Summary |
All Clinical Trials for nitric oxide
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00000577 ↗ | Asthma Clinical Research Network (ACRN) | Withdrawn | National Heart, Lung, and Blood Institute (NHLBI) | Phase 3 | 1993-09-01 | This study will establish a network of interactive asthma clinical research groups to evaluate current therapies, new therapies, and management strategies for adult asthma. |
| NCT00000577 ↗ | Asthma Clinical Research Network (ACRN) | Withdrawn | Milton S. Hershey Medical Center | Phase 3 | 1993-09-01 | This study will establish a network of interactive asthma clinical research groups to evaluate current therapies, new therapies, and management strategies for adult asthma. |
| NCT00001303 ↗ | Effects of Endotoxin in Normal Human Volunteers | Completed | National Institutes of Health Clinical Center (CC) | Phase 1 | 1992-04-06 | Bacterial infections can progress to a life-threatening illness called septic shock, characterized by low blood pressure and vital organ damage. The syndrome is thought to be caused by parts of the bacteria and by the body s own immune response to the infection. A major bacterial product that interacts with the immune defenses is called endotoxin. This study will examine the body s response to endotoxin in the lungs or bloodstream. When endotoxin is given in small amounts to humans, even though it is not an infection, it triggers a set of responses that are typical of what one would see with a true bacterial infection. This allows us to study the earliest changes in molecules and cells that are involved in some bacterial infections. This type of model is safe and has been used in humans for many years to understand the body s responses during infections. Normal volunteers 18 to 45 years of age may be eligible for this study. Candidates will have a history and physical examination, blood and urine tests, electrocardiogram (EKG) and chest X-ray. In addition, volunteers 40 to 45 years old will have an exercise stress test to screen for asymptomatic coronary artery disease. Participants will undergo one or more of the following procedures: Bronchoscopy, Bronchoalveolar Lavage, Bronchial Brushings, and Endobronchial Mucosal Biopsies: These techniques for examining lung function are used routinely in patient care and clinical research. The mouth and nasal and lung airways are numbed with an anesthetic. A bronchoscope (pencil-thin flexible tube) is then passed through the nose into the large airways of the lung. Cells and secretions from the airways are rinsed with salt water (bronchoalveolar lavage) and a flexible brush the size of a pencil tip is passed through the bronchoscope to scrape cells lining the airways. Lastly, pieces of tissue (the size of the ball of a ballpoint pen) lining the airways are removed for examination under the microscope. Intravenous Endotoxin: A small dose of endotoxin is injected into a vein. Blood samples are drawn at regular intervals for 8 hours after the injection and again after 1, 2, 3, 7 and 14 days to analyze the body s immune response to the bacteria in the blood. Instilled Endotoxin in the Lungs: A small amount (2 teaspoons) of salt water is squirted through a bronchoscope into a lobe of one lung, and then salt water containing a small dose of endotoxin is squirted into the other lung. Bronchial lavage, brushing, and biopsy (see above) are then done to study the response of the lung to the endotoxin. In addition, air is withdrawn through the bronchoscope to study air components from the lung that was instilled with salt water or endotoxin. Nitric Oxide Therapy: Endotoxin is instilled in a lung (see above) and then nitric oxide a colorless, odorless, tasteless gas mixed with room air in a concentration of 40 parts per million, is given through a cushioned mask placed over the mouth and nose. (Some participants will be given the nitric oxide mixture and others will breathe only room air through the mask to test the effects of the nitric oxide on the lung inflammation.) The mask will be worn continuously for 6 hours and removed before repeat bronchoscopy with lavage, brushing and biopsy. Some of the above procedures require placement of a catheter (thin plastic tube) in a wrist artery to monitor blood pressure from heartbeat to heartbeat and to collect blood samples. First, the skin is numbed with an anesthetic (lidocaine). A needle is then inserted into the artery, the catheter is slipped over the needle into the vessel, and the needle is removed. |
| >Trial ID | >Title | >Status | >Sponsor | >Phase | >Start Date | >Summary |
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