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 recommended treatment for latent tuberculosis infection for adults is a daily dose of isoniazid 300mg during 6 months. In Brazil, isoniazid was formulated as 100 mg tables. The treatment duration and the high pill burden compromised patient adherence to the treatment. The Brazilian National Programme for Tuberculosis requested the development of a new 300mg isoniazid formulation. The aim of the study is to compare the bioavailability of the isoniazid 300mg new formulation and three 100mg tablets of the reference formulation. The study is a randomized, single dose, open label, fasting, two-phase crossover bioequivalence study with a wash out period of 7 days (>7 half-life) in 28 healthy human volunteers. For the determination of isoniazid in human plasma, the investigators developed and validated a sensitive, simple and rapid HPLC-MS/MS method. This will support the strategy adopted by the Brazilian National Program for Tuberculosis for the treatment of latent tuberculosis. The new formulation will increase patients' adherence to the treatment and quality of life. Medical doctors in Brazil should become aware of the new formulation and the new treatment strategy in order to prescribe the right medication and avoid errors that could result in a high frequency of adverse events. Future research studies should evaluate pharmacovigilance, acceptability of the new tablet formulation and its impact on the cure rate.
TRICS-III is an international, multi-centre, open-label randomized controlled trial of two commonly used transfusion strategies in high risk patients having cardiac surgery using a non-inferiority trial design.
The purpose of this study is to show that Nivolumab will improve progression free survival in subjects with strongly Stage IV or Recurrent PD-L1+ non-small cell lung cancer when compared to chemotherapy
Fibromyalgia is a common condition in clinical medical practice, characterized by diffuse musculoskeletal pain. Sleep disorders, chronic fatigue, depression, intestinal disorders and headache are also commonly associated with the syndrome . Although the etiology of this syndrome is not well defined yet, it means involve multiple mechanisms, including low levels of serotonin, increased substance P in cerebrospinal fluid and altered circadian variation in sympathetic - parasympathetic balance, consistent with changes in sympathetic hyperactivity at night . The immune - pineal system, formed by the integration of the adrenergic and immune systems pineal gland, appears to be involved in the genesis of the dysfunctions found in fibromyalgia. Melatonin is secreted by the pineal gland and has promoter activity of sleep. Studies show that melatonin and its precursors , serotonin and tryptophan are reduced in patients with fibromyalgia. The present study aims to evaluate the relationship of immune - pineal system in the process of fibromyalgia , since dysfunction of this axis appears to govern the cascading events that participate in the pathophysiological process of this disease.
Fatigue is common in cancer patients receiving adjuvant chemotherapy. To further understand the mechanism of fatigue and search for potential biomarkers, we will conduct a prospective study with breast cancer patients receiving adjuvant chemotherapy.
This research is being done so that we can look at the safety and efficacy of deferiprone in people with sickle cell disease or other anemias. Deferiprone is a drug that removes iron from the body. We will be comparing deferiprone with deferoxamine, another drug that removes iron from the body.
Legg-Calvé-Perthes disease is a childhood hip disorder which is common enough to be a significant public health problem (affects 1 in 740 boys between ages 0-14), but uncommon enough to have a sufficient number of patients from a single institution to perform a definitive prospective study comparing the results of current treatments. The present study will establish a database of prospectively identified patients with Legg-Calvé-Perthes (LCP) Disease and collect information regarding their presentation, treatment, and outcomes in the course of receiving currently available treatments. This study seeks to compare the outcomes of current treatments in the management of different age groups (ages 1-6, 6-8, 8-11, >11) of patients with Perthes disease at two- and five-year followup and at skeletal maturity. For each age group, two to three common treatment regimens currently used by practicing pediatric orthopaedic surgeons will be compared. The intervention a patient receives is determined through physician treatment expertise, and is not pre-determined by the study.
Chronic nonspecific low back pain is a major health and socioeconomic responsible for a high rate of employee absenteeism and reduced functional performance. The use of acupuncture as an alternative therapy in the treatment of low back pain and electroacupuncture to enhance the treatment has been effective; however, there is little evidence of the effectiveness of one over the other.
The purpose of this study is to determine the effectiveness of exercise training on improving sleep in patients with systemic lupus erythematosus.
THE AIM OF THIS STUDY IS TO TEST IF THE STRETCHING OF THE RESPIRATORY ACCESSORY MUSCLE PROVIDE SOME BENEFIT ON THORACOABDOMINAL MECHANICS, FUNCTIONAL CAPACITY, PSYCHOLOGICAL AND SOCIAL ASPECTS IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE