There are about 9702 clinical studies being (or have been) conducted in Poland. 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.
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.
There are two important aspects in which the present project will allow to enrich our understanding of compensatory brain activity in older adults. First, in the studies that have been conducted so far the compensatory brain activity in older adults was investigated primarily with the use of the functional magnetic resonance (fMRI) or positon emission tomography (PET). In order to identify compensatory activity in our study we will use electroencephalographic markers (observable in EEG). It will allow to confirm the assumptions about compensatory brain activity relying on new data, as in EEG research the brain markers of the same cognitive processes are different from those used in fMRI and PET research. What is more, in the studies conducted so far brain activity in older adults was only registered and interpreted, whereas the present study additionally adds the training component. The aim of our study is to see if it is possible to influence the compensatory brain activity through cognitive functions training, relying on working memory training. Theoretically, such a training should optimize brain activity in older adults, namely evoke compensatory brain activity during difficult tasks in order to make them easier, whereas in the case of easy tasks it should lead to the disappearance of the need to trigger compensatory activity. This assumption will be verified in an experimental setting. The participants will be divided into six groups: two experimental (the groups of young and old adults), and by analogy two active control groups and two passive (no-contact) control groups. The experiment was designed in the following way: (1) All groups will be subjected to pre-test measurements that will be EEG registration during a cognitive task execution at different difficulty levels; (2) Experimental groups will undergo working memory training. Over the period of 4 weeks participants in the experimental groups will take part in 12 training sessions. In the active control groups instead of the n-back training the practice of tasks which do not involve working memory will be introduced. Participants of the passive control groups will be awaiting post-test (no-contact control); (3) In all groups post-test measurements will be administered analogically to the pre-test measurements in order to assess changes in cognitive tasks performance and related brain activity.
An observational-comparative study, without interfering with the treatment, based on an operationalized interview.
Patients expressing interest in participating will undergo psychiatric assessment to verify the diagnosis of treatment-resistant obsessive-compulsive disorder (OCD), assess symptom severity, and exclude TMS contraindications. The study involves a cycle of 35 continuous theta burst stimulations (cTBS) in the supplementary motor area (SMA) over 5 working days, with 7 stimulation sessions each day lasting 40 seconds. A 1-hour break between sessions will be observed, and each session will comprise 600 pulses at 90% of the motor threshold intensity. Biochemical analysis of blood serum from 40 patients will be conducted at three time points in an open-label study with active TMS stimulation: T0 - before starting stimulation T1 - after completing stimulation T2 - 1 month after completing stimulation Inclusion criteria: Diagnosis of depression or OCD according to the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD-10) criteria, Hamilton Depression Rating Scale (HAM-D) score > 16 points, or Yale-Brown Obsessive Compulsive Scale (Y-BOCS) score > 19 points; age 18-70 years. Exclusion criteria: Contraindications to TMS procedures, lack of informed consent, and documented persistent non-cooperation with treatment
The main purpose of this study was the assessment of whole-body vibration warm-up, modified drop jumps, and combination of both on the range of motion of dorsiflexion in the ankle joint and running time. 16 recreationally active runners performed 4 different warm-up variants one week apart: 5 sets of 30 s calf raises on the platform but without vibration (CTRL), the same as CTRL group but with vibration with 30 s rest intervals between sets (WBV), 6 drop jumps with a 30 s rest interval between sets (DJ); last group was combination of both WBV and DJ groups (WBV+DJ). The study included muscle flexibility tests for the soleus and gastrocnemius muscles performed before the warm-up, 3 minutes after warm-up and immediately after a 3000 m run on a treadmill. The running time was measured and the run had to be completed in the shortest possible time. Additionally, in the third week of the study there were performed static and dynamic foot measurements immediately before and after a 3000 m treadmill run. The main purpose of that gait analysis was to assess the impact of a 3km run on plantar pressure patterns and gait parameters in recreational runners.
Two types of face masks : cuffed and uncuffed were evaluated for artificial ventilation in obese patients. After induction to anesthesia patients were ventilated with both types of masks using anesthesia machine with the same settings: Tital Volume of 500 ml, respiratory rate of 12/min. The inspired and expired volume was measured using anesthesia machine volumeter, The difference between inspired and expired volume was counted. The comparison between two types of masks was performed taking into consideration several parameters: type of obesity, gender, age.
Positron emission tomography (PET) is a diagnostic imaging technique that uses positron emission (e-) to image changes in diagnosed tissues. Detector systems are an important part of PET scanners. They can convert gamma photons into fluorescent photons to obtain information about energy, time and position, of the gamma photons obtained through the use of an appropriate positron-emitting radiopharmaceutical. Conventional PET scanners are expensive mostly because they require the use of LSO (lutetium oxyorthosilicate) or LYSO (lutetium yttrium oxyorthosilicate) scintillation crystals. Such crystal scintillators are very costly and difficult to obtain, which limits accessibility of the PET- scanners. The prototype J-PET scanner tested in this trial uses plastic scintillators in which different physical phenomena occur compared to crystal scintillators. In addition, the J-PET scanner prototype is equipped with unique software enabling three-photon imaging, based on the annihilation resulting from the formation of the orto-positronium (o-Ps) in diagnosed tissue. The aim of this study is to demonstrate the clinical acceptability of such scanners based on plastic scintillators, which can additionally collect and process information on the lifetime of o-Ps derived from routinely used radiopharmaceuticals. Additionally, the aim of this study is to demonstrate the use of the new diagnostic indicator "positronium biomarker" in a prospective study, compared to routine diagnostic scanning.
Physical exercise, especially of high intensity, is a significant burden to the athlete's body. It should be emphasized that achieving high results in competitive sports requires significant, sometimes extreme, exercise loads during training, which may result in homeostasis disorders, adversely affecting athletes' fitness. Intense and prolonged physical exercise elevates reactive oxygen species, potentially impacting immune function. The mechanism, particularly in high-intensity activities, remains incompletely understood. Excessive oxygen radicals may induce metabolic changes, causing rapid erythrocyte damage and elevated redox-active free iron. This iron increase can be harmful, increasing oxidative stress and immune system activation. The sustained negative impact that may be observed even during post-workout recovery needs further exploration. "This study aims to explain the impact of an intense exercise test on the immune system, pro-antioxidant balance, and iron metabolism in athletes with varying training levels. The primary questions it seeks to address are: 1. How do athletes' experience and training background influence the immune system's response, pro-antioxidant balance, and iron regulation? 2. Can the level of adaptation to physical exercise (training status) affect the rate of regeneration and the time required to return to pre-exercise homeostasis?"
The study will be conducted at various city swimming pools in Warsaw. The study participants will include 20 infants participating in aquatic baby classes once a week and 20 infants not participating in any classes and their parents. The study will be conducted in a quiet and calm room, which will be prepared in advance and equipped with a smooth mat, a lounger and infant toys. The estimated time to conduct the study is about 30 minutes. The examination will be carried out twice: before the start of the two-month course and after its completion. Each time in the presence of a parent or legal guardian, after signing a consent form for the study. The selected methods of assessing motor development are fully non-invasive and consist of the following tests: 1. Alberta Infant Motor Scale (AIMS)-a test involving observation of motor development, in which each activity is assessed as existing or not. The sum of the scores from all trials is then placed on a centile grid, the results of which will indicate how many children of a certain age are achieving a given level of motor skills. 2. Early Motor Development Questionnaire (EMQ)-will be conducted on the basis of a ready-made form and in an anonymous manner based on parents' current knowledge of their children's development.
Patients with acute coronary syndrome (ACS) who undergo percutaneous coronary intervention (PCI) are at a higher risk of ischemic complications, even while receiving proper dual antiplatelet therapy. For this reason, identifying high-risk patients and personalizing treatment according to their profile could be a solution towards improving the efficacy and safety of the antiplatelet treatment. This is a prospective single centre study analyzing correlations and clinical outcomes of patients in relation to biomarkers in acute coronary syndrome. The blood samples were collected from patients admitted to the hospital with a diagnosis of ACS and treated with dual antiplatelet therapy. The blood samples were collected from each patient within the first 24 hours after the admission for acute coronary syndrome (ACS) and after 72 hours of hospitalization.