There are about 2284 clinical studies being (or have been) conducted in Chile. 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.
In this study, the investigators will compare two different anesthetic solutions in the infraclavicular block in patients having forearm, wrist, and hand surgery. The solutions will be bupivacaine 0.5% versus bupivacaine 0.25% plus lidocaine 1%, both associated with epinephrine 5 mcg/ml and dexamethasone 4 mg. The main objective of this investigation is to demonstrate that using higher concentrations of bupivacaine alone results in a significant block duration increase compared with the mixture of bupivacaine and lidocaine.
The goal of this observational study is to determine is there an association between the rates of aneuploidy and the different ranges of serum Antimullerian hormone (AMH) levels. Retrospective, single-centre study of patients undergoing IVF and preimplantation genetic testing with aneuploidy at the blastocyst stage between January 2018 and December 2022.
The primary objectives of this study are to evaluate the safety and tolerability of the pneumococcal 21 valent conjugate vaccine (V116), and to evaluate the serotype-specific opsonophagocytic activity (OPA) post-vaccination with V116 and PCV15 (a pneumococcal conjugate vaccine that includes 15 serotypes) + PPSV23 (comprised of the polysaccharides from 23 of the serotypes causing disease in adults) post-vaccination. within each vaccination group separately.
This study have as primary aim "To compare the H. pylori eradication rate between the quadruple bismuth therapy versus the standard triple therapy recommended by the AUGE Clinical Guidelines for Helicobacter pylori eradication treatment in peptic ulcer patients." Briefly, this is a randomized, multicenter, controlled, double-blind clinical trial with two parallel arms. The control group will receive the current Standard Triple Therapy for the eradication of H. pylori. It consists of omeprazole + amoxicillin + clarithromycin for 14 days. The intervention group will be administered Quadruple Therapy with Bismuth, which consists in esomeprazole + amoxicillin + metronidazole + bismuth subsalicylate for 14 days
An upper digestive endoscopy diagnostic procedure is undoubtedly a situation that will generate anxiety. The environment, protocols, distance the patient from the family member or partner, which is perceived as a threat to integrity. The objective of the study is to determine the effectiveness of a structured, significant follow-up nursing intervention to reduce anxiety in patients who are going to undergo upper digestive endoscopy in a public hospital in the Biobío Region, year 2021. The methodological proposal will be in a randomized, single-blind, third-party evaluation clinical trial, the intervention will consist of the visual and tactile presence of a significant companion throughout the endoscopic procedure. The sample will be 126 that will make up the experimental and control group. It is hypothesized that patients who have a significant follow-up will obtain 10 points less on the anxiety scale compared to those who did not have the intervention. The data will be collected with the Spielberg state / anxiety test (STAIT) and the Visual Analog Scale (VAS) to measure psychological effects, with vital parameters (pressure, pulse, respiration, saturometry), physiological effects, as well as the effects biochemicals with blood levels of potassium, glycemia and cortisol in saliva and mechanical effects through the monitoring of movements, using a mesh of pressure sensors. The difference-in-difference statistical method will be applied by t student, to analyze the data. The requirements of Emmanuel will be applied to safeguard the ethics of the study. It is hoped that significant follow-up as a nursing intervention will be shown to reduce the anxiety of the patient who is going to undergo an endoscopic procedure.
The following study seeks to provide information regarding to the RobHand exoskeleton for hand neuromotor maintenance and/or rehabilitation, developed by the University of Valladolid, Spain.
Phase 2 clinical trial in adults previously vaccinated against SARS-CoV-2 in Chile with an initial schedule of two doses of CoronaVac® plus two booster doses with different vaccines. Subjects will randomly receive a third booster dose with Omicron, trivalent, or CoronaVac® vaccine. The humoral immunogenicity against COVID-19 will be compared in subjects that received the Omicron or the Trivalent vaccines with subjects that received CoronaVac® to determine the superiority of the two candidate vaccines versus CoronaVac®. Subjects will be followed for 6 months after the booster dose administration.
The high-flow nasal cannula (HFNC) has increased its evidence in patients during pulmonary rehabilitation. These studies hypothesize that the physiological effects of HFNC (positive expiratory pressure, anatomical dead space lavage, thermo-humidification) lead to an increase in exercise time. This is believed to be due to improvements that the device can generate in the respiratory system and muscles. However, the physiological effects of HFNC on respiratory effort and distribution of pulmonary ventilation during exercise are unknown. The aim of this study is to determine the acute effect of high flow nasal cannula on the distribution of pulmonary ventilation and respiratory effort during physical exercise in healthy subjects.
This is a Phase 3, randomized, observer-blinded study to evaluate the efficacy, safety, tolerability, and immunogenicity of a single dose of a quadrivalent influenza modRNA vaccine compared to licensed inactivated influenza vaccine in healthy adults 18 years of age and older.
This study is testing the safety and tolerability of subcutaneous semaglutide in participants with type 2 diabetes (T2D) in Chile. Participants will get a once-weekly subcutaneous injection of semaglutide in doses decided by the study doctor's criteria, according to participant's personal needs. The study will last for about 24 weeks. Participants will have 4 clinic visits and 2 phone calls. Participants will have 3 laboratory tests during the study (blood and urine samples).