View clinical trials related to Biomarkers.
Filter by:The goal of this clinical trial is to identify the immunophenotypic profile of the local immune response, the cervicovaginal microenvironment and the microbiological profile of women with CIN 3 treated with imiquimod. Participants will be divided in 3 groups: CIN 3 who will use 16 doses of imiquimod in the uterine cervix, applied twice a week and will be treated with LEEP procedure; 2) patients with CIN 3 who will undergo standard treatment with LEEP procedure; 3) patients with negative cytology and HPV (human papillomavirus) test. Blood and cervicovaginal lavage collections will be performed at different times, for comparisons between cellular response profiles to imiquimod during treatment and baseline levels in healthy patients.
Dental implants have been on the market for several years and they are routinely used to replace single/multiple missing teeth with a high success rate. However, there is still a limited number of studies comparing the influence of timing of implant placement on wound healing. In addition, there is no data available on the signaling pathways and the expression of healing biomarkers involved in the early stages of osseointegration after immediate implant placement (IP) or delayed implant placement (DP). The primary objective of this study is to describe changes in the expression of inflammatory, angiogenesis and osseous biomarkers of saliva at 1, 3, 7, 15 and 30 days and of PICF at 3, 7, 15 and 30 days after immediate implant placement (IP) compared with delayed placement (DP).
Bladder cancer (BC) is one of the most common type of cancer globally. Due to its high incidence rate, high risk of recurrence and progression, and frequent cystoscopy surveillance, BC contributes to major healthcare costs across the world. The goal of this prospective study was to evaluate the prognostic value of novel non-muscle invasive bladder cancer (NMIBC) biomarkers for predicting disease recurrence or progression after radical transurethral resection of bladder tumour (TURBT). The data obtained from this study may help physicians identify patients who are at greater risk of NMIBC recurrence or progression and require close supervision.
The purpose of this study is to understand how college students' biomarkers change with a relatively short bout of moderate-intensity physical activity. The investigators are comparing biomarkers in between self-reported physically active and sedentary students in terms of their percent difference and change. The investigators are also studying physically active versus sedentary college students' mental health. This is a mentored student research project in the investigator's lab (not part of a thesis, dissertation, or other coursework requirements), where multiple students have developed research questions using the same study design.
Infants with congenital heart disease (CHD) are at increased risk for delayed neurodevelopment. Multiple etiological explanations have been proposed, as there seems to be a multifactorial interplay of both prenatal and perioperative factors. The main goal of this research project is to focus on peri-operative physiological risk factors in infants with CHD which impair functional brain maturation or elicit brain injury, and subsequently creating a risk model and guidelines for standardized developmental follow-up in this population. PART 1: investigation of cerebral autoregulation and neurovascular coupling The homeostasis in cerebral blood supply regardless of perfusion pressure, is called Cerebral autoregulation (CAR). Neurovascular coupling (NVC) is the phenomenon in which blood supply increases as a result of increased brain activity in a specific area. At different times in the perioperative phase, these regulatory mechanisms will be estimated based on Electroencephalography (EEG) and Near Infrared Spectroscopy (NIRS), in addition to hemodynamic parameters. PART 2: cell-free DNA (cfDNA) extraction. Non-invasive monitoring of neuronal degeneration can be performed using cfDNA extraction techniques. Serial measurements of neuronal cfDNA will be used to determine whether and when this neuronal damage has occurred. PART 3: Prognosis and outcome. These risk factors, supplemented with demographic factors and medications administered, will be combined in an Artificial Intelligence-driven model, thus establishing a risk model for neurodevelopmental outcome. This model will be compared to the current standard-of-care, both structural imaging (ultrasound and MRI) and a clinical developmental assessment at 9 and 24 months of age (Bayley Scales of Infant Development-III).
Apical lesions usually present clinically as a chronic infection, remaining as asymptomatic apical periodontitis(AAP). Because the balance among inflammation and bacteria is a dynamic process, AAP may undergo an acute exacerbation and become symptomatic, presenting as symptomatic apical periodontitis or acute abscess, or it may evolve from the acute to the chronic stage. Identification of specific biomarker could help in establishing more accurate diagnosis. Biological marker serves as a parameter that is indicative of underlying physiology and health of the tissue. It is measurable as well as quantifiable. The aim of this study: To assess the level of potential biomarkers in asymptomatic and symptomatic apical Periodontitis, and to determine the prediction potential of the same biomarkers for the outcome of endodontic treatment after 1year recall…
The goal of this interventional study is to evaluate the impact of Hospital Clowns (HCs) intervention, besides to hospital hosting conditions, in the well-being of adult female patients during ambulatory chemotherapy. The main question[s] it aims to answer are: - Do the short-term HCs interventions during ambulatory chemotherapy may increase well-being of adult cancer patients in comparison to the hospital hosting conditions? - Do the short-term HCs interventions, besides the hospital hosting conditions, have effects on well-being biomarkers in association with psychological outcomes? Participants self-collect a sample of saliva followed by psychological assessment, at a first time-point (basal) and at a final time-point (~after 90 minutes of basal) (pre- and post-test), during the chemotherapy treatment session. Researchers have compared an HCs intervention plus hosting conditions - experimental group, EG, and hosting conditions only - control group, CG, by the repeated measures of pre- and post-test of biomarkers in saliva and the psychological functioning evaluations, to see the degree of the impact of HCs intervention in the well-being of the patients in comparison with normal hosting conditions. Each HCs intervention lasts around 15 minutes, and it is performed in the middle of the procedure between pre- and post-test.
Objective: The main aim of this cross-sectional clinical study is to evaluate the predictive ability of a panel of salivary biomarkers in determining periodontal health status. Material and methods: In this observational, cross-sectional study patients attending consecutively to the Periodontal Postgraduate Clinic at the University Complutense of Madrid. The participants will be categorized into different periodontal health status groups based on the 2018 classification of periodontal diseases, including periodontally healthy, gingivitis, treated periodontitis (stable/unstable), and various stages of periodontitis. During the screening visit, participants will undergo a comprehensive medical examination to gather relevant health information, including age, gender, weight, height, waist circumference, and drug, alcohol, and smoking history. Additionally, clinical assessments, saliva samples and microbiological parameters will be recorded. A convenience sample of 100 subjects will be recruited for this pilot study with the objective to generate data for the multivariate predictive analysis. Data analyses: Descriptive statistics will be used to report the clinical variables and patients will be grouped according to the pre-established diagnostic categories (periodontally healthy, gingivitis, treated periodontitis patient. In order to determine the possible statistical relationship with the medical, biochemical and microbiological variables assessed, a crude bivariate analysis will first be performed by applying a mean comparison test for quantitative variables (ANOVA) and a proportion comparison test for categorical variables (Chi-square). Subsequently, those variables identified as relevant in the crude analyses will be included as confounding and/or interaction factors in a binary logistic regression model, considering the presence of periodontitis as a response variable, in order to obtain crude and adjusted OR values, together with their corresponding 95% CIs. Based on the results obtained in the biomarker analysis, a relevant statistical analysis will be performed, taking into account all the variables collected in the study
It is known that the global socioeconomic burden of individuals with knee osteoarthritis (OA) is on a constantly rising curve. In addition, it is predicted that this burden will increase with the increase in the aging rate of countries. While the evidence level of exercise in the treatment of individuals with knee OA is at A level, a standard exercise program has still not been established for these individuals. One of the most important elements in establishing a standard exercise protocol can be realized by understanding how exercise provides positive effects in these individuals. Today, the gold standard practice used in examining the effectiveness of treatments such as exercise is the follow-up of biomarkers. However, for this purpose, biological fluids (blood, urine, synovial fluid) samples are not taken from individuals with knee OA during routine health controls. Existing laboratory detection methods, especially ELISA analysis, are very detailed, time-consuming and expensive, among the reasons why they cannot be included in routine clinical practice. This situation makes it difficult to examine which biomarkers the exercise programs applied in individuals with knee OA have an effect on and to establish a standard exercise protocol. Therefore, the number of randomized controlled studies examining this issue is very few in the literature, and this number is much less in Turkey. The researchers aimed to create a standard home-based exercise program by examining the effects of the holistic exercise approach for all lower extremity muscles, which the researchers created considering the EMG studies in the literature for individuals with knee OA and the age group to be included in the study, both at the physical (pain, functional status, quality of life) and biochemical level (inflammatory biomarkers that have not been examined together before and whose relationship with OA has been newly discovered).
The study's objective is to evaluate the additive value of renal biomarkers (from blood and urine) for identifying individuals at high risk for severe acute kidney injury (AKI) above that of a novel natural language processing (NLP)-based AKI risk algorithm. The risk algorithm is based on electronic health records (EHR) data (labs, vitals, clinical notes, and test reports). Patients will enroll at the University of Chicago Medical Center and the University of Wisconsin Hospital, where the risk score will run in real time. The risk score will identify those patients with the highest risk for the future development of Stage 2 AKI and collect blood and urine for biomarker measurement over the subsequent 3 days.