There are about 13332 clinical studies being (or have been) conducted in Netherlands. 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.
Rationale: Eosinophilic Granulomatosis with Polyangiitis (eGPA), eosinophilic asthma and chronic rhinosinusitis with nasal polyps (CRSwNP) are airway diseases where eosinophils and interleukine-5 are involved in the pathogenesis. eGPA differs from the other diseases with respect to involvement of other organs. The investigators hypothesize that nasal microbiome dysbiosis with a central augmenting role for S. Aureus plays an important role in disease expression. The investigators expect that anti-interleukin-5 treatment with mepolizumab restores the changes of the nasal microbiome and immune responses to a healthy control phenotype. To study this, the nasal microbiome, the local and systemic immune response and the effect of mepolizumab treatment will be assessed.
• Background Intermittent Positive Pressure Ventilation is used during general anesthesia but can lead to serious complications. Respiratory parameter settings can be adjusted to minimize the detrimental effects of this unphysiological artificial respiration. Determining optimal ventilator settings is a multifactorial problem with many possible realisations. Knowledge of the relationship of patient outcomes with mathematically identifiable integer sets of ventilator setting parameters may help to understand which effects ventilator settings have on patient outcomes. An exploratory database study can provide a basis for further, prospective, interventional studies to find the optimal combination of ventilator settings. Main research question - To determine the relationship between the use of mathematically identifiable integer ventilator parameter sets and patient outcomes - Design (including population, confounders/outcomes) Retrospective database study of all cases of adult patients undergoing procedures in the UMCG under general anesthesia with IPPV between 01-01-2018 and 01-04-2023. Multivariate and mixed-model analyses, where appropriate, will be corrections for patient specific characteristics such as ASA PS, age, BMI, sex. - Expected results Using mathematically identifiable integer ventilatory parameter sets improves respiratory and/or hemodynamic patient outcomes.
A cross-sectional observational study in which pouch emptying rate is measured with MRI in good (TWL>35%) and bad responders (TWL<25%) two years after Laparoscopic Roux-en-Y Gastric Bypass (LRYGB).
Rationale: Currently, there is no curative therapy available for patients that are chronically infected with the hepatitis B virus (HBV). Especially the presence of a viral reservoir of stable episomal, covalently closed circular DNA (cccDNA) in the nucleus of infected hepatocytes poses a great challenge for the development of curative therapies. HBV cccDNA acts as the template for production of viral proteins and HBV genomes. In a preclinical study, terbinafine (an antifungal agent) was identified as a potent and specific suppressor of HBx-mediated cccDNA transcription. HBx is an accessory viral protein of HBV which has been proven to be essential for HBV replication and enhances replication at the transcriptional level in vivo. The suppression of cccDNA transcription results in a strong reduction of the production of viral genomes (RNA and DNA) as well as viral proteins. This will allow recovery of the immune system, increase viral clearance and prevent replenishment of the cccDNA pool in the hepatocyte, all contributing to cure chronic hepatitis B (CHB). Objective: to provide proof of concept for the inhibition of HBx mediated cccDNA transcription by terbinafine, both as monotherapy and add-on therapy next to tenofovir. Secondary outcomes will be the safety and tolerability of terbinafine in this specific group. Study design: This pilot study is a stratified, single center, randomized, double-blinded, placebo-controlled, dose-ascending proof of concept clinical trial. Study population: patients chronically infected with the hepatitis B virus with a normal liver function and no signs of liver damage, who do not use any antiviral medication (group A, n=16) or are treated with tenofovir > 6 months (group B, n=16). Intervention: Patients will be randomly allocated to daily oral treatment with terbinafine or a matched placebo, either as monotherapy (group A) or as add-on therapy to tenofovir (group B). Main study parameters/endpoints: Primary outcomes: decline in level of serum HBsAg >0.32log10 IU/mL in both groups A and B and decline in serum HBV DNA >0.86log10 in group A at the end of study treatment (week 10 vs baseline). Secondary outcomes: 1) Safety and tolerability of terbinafine as mono- or combination therapy; 2) level of serum HBsAg and HBV DNA at 3 months follow-up; 3) decline of HBsAg levels over time (all visits); 4) HBV RNA, large HBsAg (LHBs) HBcrAg levels, and HBeAg status at baseline and end of study 4). Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Patients participating in this study will undergo physical examinations and blood sample collections (13 samples and in total 467.5 mL). They will also be asked to fill in the HBQOL and EQ5D5L quality of life questionnaires and a medicine diary. In total there will be 13 visits in the hospital of which 7 will be for blood collection only. Terbinafine can induce liver damage 1 of 50,000 to 120,000 prescriptions (LiverTox), a weekly safety laboratory control is implemented in the visits to detect possible liver toxicity in an early stage and prevent liver damage.
The goal of this observational study is to learn about cardiac biomarker release following exercise in amateur athletes. The main questions it aims to answer are: Question 1: What are the reference values for exercise-induced cardiac troponin elevations following walking, cycling and running exercise? Hypothesis 1: We hypothesize that the exercise-induced cTn release is different following walking, cycling and running exercise. Therefore, we will establish reference values for post-exercise cTn concentrations across each of these sport types. Question 2: Is the prevalence of (subclinical) coronary artery disease higher in individuals with high post-exercise cardiac troponin concentrations in comparison to individuals with low post-exercise cardiac troponin concentrations? Hypothesis 2: We hypothesize that athletes with the highest post-exercise cTn concentrations have a higher prevalence of coronary atherosclerosis compared to athletes matched for sex and age with the lowest post-exercise cTn concentrations. Question 3: What is the association between post-exercise cardiac troponin concentrations and major adverse cardiovascular events (MACE) and mortality during long-term follow-up? Hypothesis 3: We hypothesize that post-exercise cTn concentrations beyond the 99th percentile are associated with an increased risk for MACE and mortality during follow-up. This study consists of three phases: Phase 1: two or three visits to the study location for (amongst other measurements) blood draws to assess cardiac troponin concentrations Phase 2: CT scan of the heart in 10% of participants to assess the prevalence of (subclinicial) coronary artery disease. Phase 3: longitudinal follow-up to assess the incidence of major adverse cardiovascular events and mortality during 20-year follow-up. Participants will visit our study centre two, three or four times: Visit 1: baseline measurements including height, weight, body composition and blood pressure will be obtained and a blood sample will be drawn. Visit 2: a blood sample will be drawn and activity data will be obtained from participants' own sports watch or bike computer. Optional visit 3: a blood sample will be drawn. Visit 4: 10% of participants will undergo a cardiac CT scan to assess the prevalence of (subclinical) coronary artery disease.
This is a proof-of-principle study, that uses freshly resected human solid tumor specimens to assess the performance of topically applied fluorescent imaging agents for the detection of tumor tissue and close / tumor-positive resection margins ex vivo. Surgery will be performed in conformity with hospital protocol. The study will not interfere with the standard clinical care.
The purpose of this study is to evaluate the efficacy of lepodisiran in reducing cardiovascular risk in participants with high lipoprotein(a) who have cardiovascular disease or are at risk of a heart attack or stroke. The study drug will be administered subcutaneously (SC) (under the skin).
The goal of this longitudinal, single-subject study is to investigate the role of motivation in music therapy for stroke patients within the subacute phase, who experience upper limb and/or attention deficits. The main questions it aims to answer are: - Does music therapy increase patient's motivation to rehabilitate? - Do increases in motivation correlate with functional improvements, in particular upper limb and/or attention skills? Participants will receive up to 9 music therapy sessions within 3-5 weeks, with functional assessments before and after each period. Each participant serves as their own comparison: researchers will compare a period with standard care only (control phase) to a period with music therapy plus standard care (intervention phase), the order of which will be randomized in advance.
The primary objective of this study to evaluate the efficacy of ravulizumab compared with placebo to reduce proteinuria and slow the rate of eGFR decline in adult participants with IgAN who are at risk of disease progression.
The goal of this prospective, international multi-centre pilot study is to assess the functionality and user experience of a new vital sign monitoring system in 20 patients and 20 nurses in the general ward at each centre. The patients will be monitored with a wireless, continuous vital sign monitoring systems and answer a questionnaire afterwards. They will in addition have vital signs monitored as per standard practice. The nurses will answer a questionnaire after having had the responsibility for a monitored patient for a full shift. The main aims are: To determine the frequency of alerts activated in the app in relation to the alerts that should be activated based on measured data, to explore current practices of in-hospital monitoring by semi-structured interviews to map differences across systems and to test nurse and patient satisfaction.