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.
To evaluate the immune status of yellow fever in adults with a history of two or more doses of vaccine, having received the second dose for at least 1 year, compared to re-vaccinated individuals (second dose) after 30 days.
This study is a preliminary research aimed to compare the feasibility and effectiveness of motivational interview (MI), Personalized text messages (TM) and usual care for outpatients, with focus on smoking cessation as the main outcome. Smokers patients have received brief interventions and nicotine replacement therapy during the hospitalization. After discharge smokers were allocated into a intervention or control arm. In the first and third months, after randomization, the patients were contact to smoke abstinence assessment.
The main objective of the study is to evaluate ginger efficacy as an prophylactic treatment of migraine.
This study was designed to determine the role of antibiotics reduction mammaplasty influence surgical site infections rates.
The objectives of this trial are to determine whether, in critically ill patients with severe acute kidney injury (AKI), randomization to accelerated initiation of renal replacement therapy (RRT), compared to standard initiation, leads to: 1. Improved survival (primary outcome); and 2. Recovery of kidney function (principal secondary outcome), defined as independence from RRT at 90 days
This is a two-centers, open label, prospective, randomized, noninferiority controlled trial with cost-effectiveness analysis to verify if is non inferior to remove peripheral intravenous catheter according to clinical signs in relation to every 96 hours.
Phase III randomized clinical trial of lurbinectedin (PM01183)/doxorubicin (DOX) versus cyclophosphamide (CTX), doxorubicin (DOX) and vincristine (VCR) (CAV) or topotecan as treatment in patients with small-cell lung cancer (SCLC) who failed one prior platinum-containing line.
The aim of this study is to investigate the motor and visual cortex excitability in response to visual stimulation of migraineurs with and without aura compared to healthy individuals. For this purpose, electrical cortical activity of migraineurs will be compared to healthy volunteers.
This study will evaluate the efficacy and safety of oral capecitabine (Xeloda) versus 5-fluorouracil (5-FU), in combination with intravenous (IV) cisplatin, in participants with advanced and/or metastatic gastric cancer. The anticipated time on study treatment is at least 6 weeks and continued up to disease progression, and the target sample size is 300 individuals.
The goal of this study was to compare early results of Total Hip Replacement (THR) in 2 groups of patients: with and without closed suction drainage (CSD). Patients were followed for 3 months post operatively.