There are about 2320 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.
The goal of this clinical trial is to compare the effects of different volumes of plyometric training on lower limb muscle strength, power, and muscle activity in sedentary individuals. The main question[s] it aims to answer are: - What is the minimum volume of plyometric training that can induce changes in lower limb strength and power variables? - How does muscle activity in the lower limbs vary with different volumes of plyometric training? Participants will be asked to: - Complete questionnaires to determine their level of physical activity. - Attend pre and post-evaluations of lower limb muscle activity, strength, and power during an instrumented sit-to-stand test. - Perform lower limb plyometric exercises, such as jumps, hops, and bounds. - Attend supervised training sessions three times a week for a duration of 4 weeks. Researchers will compare three groups to see if the minimum volume of plyometric training can be identified.
Gastric cancer remains a global health problem, and Chile has one of the highest GC mortality rates in the region. Helicobacter pylori (H. pylori) infection is ubiquitous in Chilean adults, and it constitutes the main cause of GC worldwide. A long-term process occurs from premalignant lesions to carcinoma. H. pylori eradication during early stages of disease significantly impacts outcomes, favoring survival, disease reversal and molecular changes, which supports a "screen and treat" strategy in asymptomatic populations in areas with intermediate-to-high GC prevalence. The Investigators' previous research has shown that H. pylori infection is acquired in early childhood with low rates of spontaneous eradication. A pilot treatment study in a subset of school-aged asymptomatic children showed a high rate of successful eradication (>95%), good tolerance, and was associated with a decrease in serum biomarkers of gastric damage (pepsinogen I and II). Based on the results of these studies, the Investigators propose to advance towards the next stage of this research process: a "screen and treat" strategy. The current trial starts with a Screening phase testing 1000 asymptomatic adolescents 14-18 years of age from 3 cities of Chile (Colina, Temuco and Coyhaique), to find a total of 200-250 persistently-infected participants. Persistently-infected adolescents will be included in a Second phase of this trial: A randomized, case-control, non-blinded study to either receive antimicrobial treatment targeting H. pylori eradication (cases) or no treatment (controls). A subset of 60 non-infected adolescents will be followed-up in matched times. This aims to provide evidence on the effect of treatment on clinical outcomes and serum biomarkers related to gastric damage, as well as composition and antimicrobial resistance of gut microbiota. The Investigators expect that eradication therapy will be successful in >90% of persistently infected adolescents, with reinfection rates not surpassing 15% in a 2-3 year period, and to be associated with a decrease in clinical findings indicative of gastric disease, and a decrease in serum biomarker indicative of "gastric damage".
Early mobilization and rehabilitation can be difficult after total knee arthroplasty (TKA) due to a high incidence of moderate to severe postoperative pain. Non-steroidal anti-inflammatory drugs (NSAIDs) are important to multimodal analgesic protocols. Parecoxib is an NSAID that selectively inhibits the enzyme cyclooxygenase-2 (COX-2). Clinical trials have shown that it does not alter platelet function or gastric mucosa. A recent study, after comparing ketorolac and parecoxib used at the same time in infiltration and systemically, found no differences in perioperative analgesia with a tendency to less bleeding in the parecoxib group. This randomized study will compare the effectiveness of adding a COX-2 inhibitor in the pain management of patients undergoing TKA as part of a multimodal analgesia regimen. The morphine consumption was selected as the primary outcome. The study hypothesis is that patients receiving parecoxib would have a lower opioid consumption.
The primary objective of this study is to compare progression-free survival (PFS) in participants who receive sotorasib with platinum doublet chemotherapy versus participants who receive pembrolizumab with platinum doublet chemotherapy.
The goal of this randomized clinical trial is to compare the knowledge, attitudes, and oral health self-efficacy in self-sufficient elders aged over 60 years of 4 cities of La Araucanía región, Chile. The main questions it aims to answer are: - Can the development and implementation of a teledentistry strategy focused on community-dwelling older adults of the La Araucanía region improve participants' knowledge, attitudes, and self-efficacy in oral health? - Could this teledentistry strategy have acceptability greater than 80%? Participants will receive a dental-medical-geriatric diagnosis in a mobile dental clinic supported by a web platform called Teleplatform of Geriatric Dental Specialties (TEGO) and individual oral health education. The researchers will compare a comparison group that will receive face-to-face individual oral health education with an intervention group, called tele-education group, that will receive educational reinforcement through a teledentistry strategy mediated by oral health educational videos sent via WhatsApp; to see if there are differences in the knowledge, attitudes, and oral health self-efficacy between the groups.
This is a multicentre study carried out in participants living with human immunodeficiency virus type 1 (HIV-1) who have not previously been treated with any antiretroviral therapies. The study will investigate two 2-drug regimens for the treatment of HIV-1: a fixed-dose combination oral tablet of dolutegravir/lamivudine (DTG/3TC) and cabotegravir plus rilpivirine long-acting agents (CAB + RPV LA). All participants will initially receive DTG/3TC once daily, and once virologic suppression is attained (plasma HIV-1 <50 c/mL), participants will be offered a choice to switch to CAB + RPV LA or to continue taking oral DTG/3TC. This study will provide important data on the efficacy, safety, implementation effectiveness, and patient-reported outcomes of these two regimens in a study where participants have the option to choose between them based on individual preference. The aim of the study is to evaluate the antiviral effectiveness at 11 months after switching to CAB+RPV LA following initial virologic suppression on DTG/3TC and to provide data on how long it takes participants to suppress their viral load on DTG/3TC.
The object of the present study is to compare the effectiveness of conventional endodontic treatment with that of endodontic treatment combined with Photodynamic Therapy (PDT) in patients with apical lesion. Clinical and radiographic examination of the patients will be used to evaluate the presence of apical lesion, size of the lesion, and PAI index. Microbiological examination (evaluation of UFC/ml) will be carried out to assess the disinfection of the root canals. The success rate of the treatment will also be assessed. Endodontic treatment will be carried out in accordance with habitual standards and practices. PDT will be applied with diode laser (660 nm, 100 mW) and methylene blue will be used as photosensitizer (PS). Patients of the Endodontics Service of Universidad San Sebastián (Santiago campus) will be recruited for the study.
The purpose of this study is to investigate the pharmacokinetic (PK) similarity and efficacy, safety, and immunogenicity of ABP 206 compared with OPDIVO® (nivolumab) in subjects with resected advanced melanoma.
The Accelerating Medicines Partnership® Schizophrenia (AMP® SCZ) is a large international collaboration to develop algorithms using a set of clinical and cognitive assessments, multi-modal biomarkers, and clinical endpoints that can be used to predict the trajectories and outcomes of individuals at clinical high risk (CHR) for psychosis and to advance the testing of pharmacological interventions for CHR individuals in need. The goal is to accurately predict which individuals are likely to remit, experience an acute psychotic episode, or have intermediate outcomes that feature persistent attenuated psychotic and/or mood symptoms along with functional impairment. The prediction algorithms will have the potential to serve as early indicators of treatment efficacy in CHR persons. The AMP SCZ research program is made up of the Psychosis Risk Evaluation, Data Integration, and Computational Technologies - Data Processing, Analysis and Coordination Center (PREDICT-DPACC) and two clinical research networks, the Psychosis-Risk Outcomes Network (ProNET) and the Trajectories and Predictors in the Clinical High Risk for Psychosis Population: Prediction Scientific Global Consortium (PRESCIENT) networks. The two clinical research networks will recruit a large cohort of CHR young people aged 12-30 years (n=1,977) and healthy control (HC) participants (n=640) across 42 participating investigative sites from 13 countries. CHR participants will complete screening, baseline assessments and a battery of follow-up assessments across 18 - 24 months. HC participants will complete screening and baseline assessments and a subset (5 per site) will complete month 2, 12 and 24 visits.
Subacromial pain syndrome is one of the most common musculoskeletal health conditions, causing decreased of range of motion, loss of muscle strength and disability in the shoulder region. It has been proposed that dynamic humeral centering exercises could contribute to overcome these disorders, through the modification of the dimensions of the subacromial space, however, there is no consensus on its effectiveness nor direct variables that account for its efficacy. Therefore, the aim of this research is to determine the effects of a dynamic humeral centering exercise program on the functionality and disability of patients with subacromial pain syndrome.The effects of the dynamic humeral head exercises program, as well as the objective description of factors and variables associated with subacromial pain syndrome, will also allow rehabilitation science professionals to aim their interventions according to the knowledge of direct variables, which will allow objective follow-up of interventions on subacromial pain syndrome diagnosed patients.