CLINICAL TRIALS PROFILE FOR CARDURA
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All Clinical Trials for CARDURA
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00021814 ↗ | Medical Therapy of Prostatic Symptoms | Completed | George Washington University | Phase 3 | 1995-12-01 | The Medical Therapy of Prostatic Symptoms (MTOPS) is a clinical research study sponsored by the National Institutes of Health (NIH). The study will test whether the oral drugs finasteride (Proscar) and doxazosin (Cardura), alone or together, can delay or prevent further worsening of symptoms in men with Benign Prostatic Hyperplasia (BPH). MTOPS is the largest and longest study to simultaneously test whether these drugs can delay or prevent the clinical progression (symptom worsening) of BPH. Seventeen U.S. medical centers recruited 2,931 men diagnosed with symptomatic BPH between December 1995 and March 1998. Study doctors will continue to follow these men through November 2001 on a quarterly basis. In addition to the clinical progression of BPH, MTOPS will include evaluations of prostate volume by ultrasound, prostate biopsies among a subgroup of volunteers, and quality of life. |
| NCT00021814 ↗ | Medical Therapy of Prostatic Symptoms | Completed | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Phase 3 | 1995-12-01 | The Medical Therapy of Prostatic Symptoms (MTOPS) is a clinical research study sponsored by the National Institutes of Health (NIH). The study will test whether the oral drugs finasteride (Proscar) and doxazosin (Cardura), alone or together, can delay or prevent further worsening of symptoms in men with Benign Prostatic Hyperplasia (BPH). MTOPS is the largest and longest study to simultaneously test whether these drugs can delay or prevent the clinical progression (symptom worsening) of BPH. Seventeen U.S. medical centers recruited 2,931 men diagnosed with symptomatic BPH between December 1995 and March 1998. Study doctors will continue to follow these men through November 2001 on a quarterly basis. In addition to the clinical progression of BPH, MTOPS will include evaluations of prostate volume by ultrasound, prostate biopsies among a subgroup of volunteers, and quality of life. |
| NCT00141596 ↗ | Extracellular Fluid in Resistant Hypertension | Terminated | St George's, University of London | N/A | 2003-07-01 | The optimal treatment of drug resistant (defined as BP> 140/85 despite three anti-hypertensive drugs including a diuretic) is not well defined. This study aims to test the hypothesis that resistant hypertension is caused by excessive expansion of extracellular fluid volume. A secondary objective is to study which of three different antihypertensive drugs would be most useful in drug resistant hypertension. |
| NCT01062945 ↗ | The Effects of Doxazosin on the Cardiovascular and Subjective Effects of Cocaine | Completed | National Institute on Drug Abuse (NIDA) | Phase 1 | 2010-01-01 | The purpose of the study is to asses the potential interactions between intravenous cocaine and doxazosin in cocaine dependent volunteers who are not seeking treatment. The study will evaluate the effects of doxazosin on the cardiovascular and subjective effects of cocaine in a human laboratory study. |
| NCT01062945 ↗ | The Effects of Doxazosin on the Cardiovascular and Subjective Effects of Cocaine | Completed | Baylor College of Medicine | Phase 1 | 2010-01-01 | The purpose of the study is to asses the potential interactions between intravenous cocaine and doxazosin in cocaine dependent volunteers who are not seeking treatment. The study will evaluate the effects of doxazosin on the cardiovascular and subjective effects of cocaine in a human laboratory study. |
| NCT01379898 ↗ | Phenoxybenzamine Versus Doxazosin in PCC Patients | Completed | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | Phase 4 | 2011-12-01 | - Rationale: The optimal preoperative medical management for patients with a pheochromocytoma is currently unknown. In particular, there is no agreement with respect to whether phenoxybenzamine or doxazosin is the optimal alfa-adrenoreceptor antagonist to be administered before surgical resection of a pheochromocytoma. We hypothesized that the competitive alfa1-antagonist doxazosin is superior to the non-competitive alfa1- and alfa2-antagonist phenoxybenzamine. - Objective: comparing effects of preoperative treatment with either phenoxybenzamine or doxazosin on intraoperative hemodynamic control in patients undergoing surgical resection of a pheochromocytoma. - Study design: Randomised controlled open-label trial. - Study population: 18 - 55 yr old. Adult patients with a recently diagnosed benign pheochromocytoma. - Intervention: Patients are randomised to receive oral treatment with either phenoxybenzamine or doxazosin preoperatively. - Main study parameters/endpoints: The main study parameter is defined as the percentage of intraoperative time that blood pressure is outside the predefined target range after pretreatment with either phenoxybenzamine or doxazosin. In this multicenter trial, we compare the effects of two commonly used drugs in patients being medically prepared for resection of a benign pheochromocytoma. Participants are not subjected to an experimental treatment of any kind, as we merely aim to describe in detail the perioperative course in general and, in particular, the intraoperative hemodynamic control in patients treated preoperatively with either phenoxybenzamine or doxazosin. A routine diagnostic work-up for pheochromocytoma will be performed in all participants. One extra blood sample (volume: 48,5 mL) is drawn before start of the study medication, and participants need to record their symptoms in a diary. In addition, patients who are pretreated in the outpatient clinic monitor their blood pressure and pulse rate at home with an automated device. Treatment with an alfa-adrenoreceptor antagonist is initiated at least 2 - 3 weeks prior to surgery. Patients who are admitted to the hospital for pretreatment with an alfa-adrenoreceptor antagonist have their blood pressure and pulse rate measured by the nursing staff. The final site visit is planned at 30 days after surgery, in line with current practice. |
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