There are about 10004 clinical studies being (or have been) conducted in Brazil. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
The primary objective of the trial is to demonstrate the safety and feasibility of treating coronary artery lesions which have not been previously treated with the TRIMAXX Coronary stent system as compared to the reported results for commercially available non-drug eluting coronary stent systems which are indicated for the same treatments.
The purpose of this study is to determine whether preoperative intravitreal bevacizumab is effective in reducing intra-operative and postoperative bleeding in diabetic patients submitted to pars plana vitrectomy for vitreous hemorrhage.
The following objectives were used for comparison: 1)primary objective: Evaluate the urinary excretion of NGAL as a marker of early development of acute kidney injury in patients undergoing cardiac surgery.
The primary objective of this protocol is to evaluate 12 weeks of treatment of varenicline compared to placebo for smoking cessation. Abstinence from cigarette smoking and other tobacco products (e.g., pipe, cigars, chew, snuff.) use during non-treatment follow-up period will also be evaluated.
The aim of this study was to establish parameters for the Gaps-in-Noise test in normal-hearing young adults. One hundred subjects (50 males and 50 females) received an audiological evaluation to rule out hearing loss and auditory processing disorder. The Gaps-in-Noise test was then conducted on all subjects. The mean gap detection threshold was 4.19 msec. A psychometric function by gap duration was constructed, revealing that the percentage of correct responses was less than or equal to 5% for a gap duration of 2 msec, 10-30% for a gap duration of 3 msec, 60-70% for a gap duration of 4 msec, and over 96% for gap durations of 5 msec or longer. The results suggest that the data obtained can be applied as reference values for future testing. In the subjects evaluated, the Gaps-in-Noise test proved to be consistent with low variability.
This trial is conducted in South America. The aim of this trial is to evaluate the efficacy of metformin plus biphasic insulin aspart or insulin NPH on blood glucose control in subjects with type 2 diabetes.
Tinnitus is defined as the perception of sound in the absence of a external source. About 15 % of the population is believed to experience tinnitus and for about 20 % of them it may become a very serious problem. Total comprehension of tinnitus pathophysiology has not yet been achieved, but modern theories focus in brain hyperactivity following inner ear damage, with involvement of various neurotransmitters. Piribedil,a dopamin agonist, has been used to treat tinnitus, focusing in dopamine release, which is inhibitory. Electrophysiological methods,like acoustic otoemissions and electrocochleography may reveal the changes in peripherical and central auditory pathways and help to choose the specific patients who could benefit from piribedil treatment.
The purpose of this study is to show that doripenem is as effective as imipenem-cilastatin in the treatment of patients with ventilator-associated pneumonia.
The primary objective of this study is to determine the incidence of severe RSV LRTI requiring hospitalization among infants born < 35 weeks gestational age for one year of follow-up.
This study will evaluate the efficacy of Octreotide LAR in preventing chemotherapy-induced diarrhea (with regimens that contain 5 fluorouracil, irinotecan and capecitabine)in patients with colorectal cancer.