CLINICAL TRIALS PROFILE FOR DOBUTAMINE HYDROCHLORIDE
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All Clinical Trials for Dobutamine Hydrochloride
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00001895 ↗ | Electromechanical Mapping to Evaluate Heart Muscle | Completed | National Heart, Lung, and Blood Institute (NHLBI) | Phase 3 | 1999-08-01 | Patients with narrowed heart arteries who undergo coronary angiography (imaging of the heart's blood vessels) may participate in this "heart mapping" study designed to gain information about the condition of different areas of the heart muscle. In coronary angiography, a thin tube called a catheter is inserted through a small incision in the groin and pushed up to the heart. There, a contrast dye is injected, revealing areas of blockage in the coronary arteries-the vessels that supply blood to the heart muscle. As soon as the angiography is completed, patients in this study will undergo another procedure called "Biosense mapping." For this procedure, a special catheter with a tiny sensor at the tip will be inserted into the sheath that was used for the angiography and advanced to the heart's main pumping chamber-the left ventricle. The sensor detects the pattern of an electromagnetic field generated from a pad under the patient, and an image of the precise location of the catheter in 3-dimensional space can be seen on a computer screen. The catheter is then navigated to various precise locations in the ventricle, producing an electromechanical map that distinguishes scarred muscle tissue from healthy tissue-information that can be important in guiding treatment. When this mapping is completed, the patient will be given a drug called dobutamine to increase the heartbeat, and the mapping will be repeated. The heart may also be mapped while the heart rate is increased with a pacing catheter to simulate exercise. The test will be stopped if adverse side effects develop. Patients in the study will also have magnetic resonance imaging (MRI) and PET (positron emission tomography) scans to get additional information about the heart muscle, such as blood flow and metabolism rate. |
| NCT00014040 ↗ | Nitric Oxide Inhalation Therapy to Relieve Chest Pain in Patients With Coronary Artery Disease | Completed | National Heart, Lung, and Blood Institute (NHLBI) | Phase 2 | 2001-04-01 | This study will test whether inhaling nitric oxide gas can improve blood flow to the heart, ventricular function, exercise tolerance in patients with coronary artery disease and chest pain that has not improved with medical or surgical therapy. Patients with coronary artery disease who have chest pain despite treatment with medicines and angioplasty or surgery may be eligible for this study. Those enrolled will receive monetary compensation for their participation in this study. The duration of the study is 5 days, with 2 testing periods lasting 2 days each. During one of the periods, the study participants will breathe nitric oxide mixed with room air through a face mask during the tests. During the other period, the participants will breathe room air alone through a face mask during the tests. At least 1 day will separate the treatment periods. During each of the 2 treatment periods (nitric oxide and room air), participants will undergo 4 tests to determine whether the treatment improves the heart's response to stress with increased heart rate and contraction. Approximately one hour before each of the tests, participants will breathe either nitric oxide mixed with room air or room air alone through the face mask, and continue the inhalation treatment while each test is being performed. The face mask will be removed at the end of each test. On the morning of the first day of each treatment period, participants will have a special echocardiogram with imaging of the heart. The echocardiogram will be performed during an infusion of dobutamine, a medicine that increases heart rate and contraction, and serves to stress the heart. This manner of stress testing is commonly used in hospitals around the country to determine if walls of the heart are receiving sufficient blood supply. That afternoon, participants will undergo a magnetic resonance imaging (MRI) study of the heart. The MRI will determine the heart's blood flow and contraction while receiving the same dosage of dobutamine as was used earlier in the day. On the morning of the second day of each treatment period, participants will exercise on a treadmill until moderately uncomfortable chest pain is reported. Later that morning, participants will undergo cardiac catheterization. For the cardiac catheterization, a long tube (catheter) will be placed into a vein of the neck once the skin is numbed with xylocaine. This tube will be positioned within the right atrium of the heart and into a tube-like structure called the coronary sinus, where venous blood exits the heart muscle. A small catheter will also be placed in an artery of the upper forearm after the skin has been numbed with xylocaine. Blood samples will be taken to allow us to measure the amount of nitric oxide transported in the blood. The blood samples will be drawn (through the tube in the heart and through the small tube in the artery) at the beginning of the study and during infusion of dobutamine to stress the heart. The dose of the dobutamine infusion will be the same dose used in the previous day's stress studies. After the completion of the first treatment period, we will stop testing for at least one day. Participants will begin the second treatment period with the inhalation treatment not received during the first treatment period. |
| NCT00060840 ↗ | The Effects of Nitric Oxide for Inhalation During Left Ventricular Assists Device (LVAD) Implantation | Completed | Mallinckrodt | Phase 2 | 2003-07-01 | The purpose of this study is to assess the utility of nitric oxide for inhalation during left ventricular assist device (LVAD) implantation following cardiopulmonary bypass (CPB). This is to be assessed by the number of patients in each treatment group meeting failure criteria within 24 hours on study drug, as defined by two or more of the following: - Left ventricular flow rate index (LVFRI) ≤ 2.0 L/min/m^2 - Administration of ≥ 20 inotropic equivalents (IE) - 10 µg/kg/min dopamine, dobutamine, enoximone or amrinone is equivalent to 10 IE - 0.1 µg/kg/min epinephrine or norepinephrine is equivalent to 10 IE - 1 µg/kg/min milrinone is equivalent to 15 IE - 0.1 U/min vasopressin is equivalent to 10 IE - Mean arterial pressure (MAP) ≤ 55 mmHg - Central venous pressure (CVP) ≥ 16 mmHg - Percent mixed venous oxygen saturation (SvO2) ≤ 55% Or at least one of the following criteria: - Failure to wean from cardiopulmonary bypass at least once due to hemodynamic failure. Re-initiation of cardiopulmonary bypass to correct bleeding or other technical issues will not be considere 'failure to wean' - Death |
| NCT00074724 ↗ | Dobutamine Echocardiography In Patients With Ischemic Heart Failure Evaluated for Revascularization | Completed | National Heart, Lung, and Blood Institute (NHLBI) | N/A | 2003-05-01 | To define the role of the assessment of myocardial viability with dobutamine echocardiography (DE) in the clinical evaluation and selection of the best treatment for a high-risk subset of patients with coronary artery disease. |
| NCT00074724 ↗ | Dobutamine Echocardiography In Patients With Ischemic Heart Failure Evaluated for Revascularization | Completed | Medstar Health Research Institute | N/A | 2003-05-01 | To define the role of the assessment of myocardial viability with dobutamine echocardiography (DE) in the clinical evaluation and selection of the best treatment for a high-risk subset of patients with coronary artery disease. |
| NCT00093301 ↗ | Levosimendan Versus Dobutamine in Shock Patients | Unknown status | Abbott | Phase 2/Phase 3 | 2004-10-01 | The purpose of the study is to compare the efficacy of levosimendan with that of dobutamine in patients with unstable hemodynamics (shock). |
| NCT00093301 ↗ | Levosimendan Versus Dobutamine in Shock Patients | Unknown status | Wentworth Area Health Services | Phase 2/Phase 3 | 2004-10-01 | The purpose of the study is to compare the efficacy of levosimendan with that of dobutamine in patients with unstable hemodynamics (shock). |
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