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Active clinical trials for "Acute Disease"

Results 241-250 of 307

Targeted High Throughput Sequencing in the Diagnosis of Pediatric Acute Leukemia

Pediatric Acute Leukemia

Acute leukemias are a heterogeneous group of hematologic malignancies. They result from clonal expansion of immature cells whose number is greater than 20% in bone marrow. Childhood acute leukemias are the most common pediatric malignancies. In Europe and the United states, they represent about 35% of childhood cancers. 80% of them are acute lymphoblastic leukemia (ALL) and 15-20% of acute myeloid leukemia (AML). Current treatments allow a cure in about 80% of ALL, while this level is only 50% in AML.Acute leukemia diagnosis is based on the multidisciplinary exploration of leukemia cells by different techniques: Cellular: cytology, immunophenotyping and cytochemistry Cytogenetic: conventional (karyotype) and molecular (FISH) cytogenetic Molecular: RT-PCR and RQ-PCR Cytogenetic studies are performed at time of acute leukemia diagnosis. Indeed, the WHO 2008 classification of acute leukemia is based largely on the presence of recurrent cytogenetic and molecular abnormalities. The most frequent chromosomal aberrations have been associated with specific clinical and biological characteristics and are now used as diagnosis and prognostic markers. These chromosomal abnormalities affect genes involving in the leukemogenesis process. These rearrangements are of several types: Fusion genes causing : Repression of transcriptional activity of genes involved in differentiation of hematopoietic cells (AML1-ETO, PML-RARA…) Deregulation of signal transduction pathway (eg BCR-ABL chimeric protein with constitutive tyrosine kinase activity) Changing in the state of chromatin condensation resulting changes of transcription (MLL gene rearrangements in 11q23, MOZ en 8p11…) Deregulation of genes expression: chromosomal rearrangements can sometimes induce deregulation of adjacent genes to the breakpoint. For example, inv(3)(q21q26) or t(3;3)(q21;q26) induce over expression of transcriptional factor EVI-1. Loss of function due to deletion of variable size in genomic regions containing genes with a role in the differentiation, apoptosis, or cell proliferation (eg IKZF1, PAX5…) In addition to the karyotype, which allows to have a global view of the genome; FISH, a targeted technique, is used to highlight invisible abnormalities on karyotype (cryptic abnormalities) or the time of karyotype failure. However, conventional and molecular cytogenetic techniques do not highlight any abnormalities (eg different partners involved in the formation of fusion genes in particular for MLL gene rearrangement, mutations) hence our interest in next generation sequencing.Indeed, the high throughput targeted sequencing messenger RNAs (RNA-seq) has the avantage of allow identification of different types of mutations in a single test, with exception of epigenetic mutations. The importance of RNAs sequencing rather than DNA genomic is the one hand, a very significant decrease in the volume of sequences to analyze because transcribed mRNA genes represent about 5% of the genome size and secondly, a better identification of chimeric genes. The RNA-seq has used as a research tool in hematologic malignancies. The purpose of this project is to use innovative technology to develop a new diagnostic and prognostic new tool in hematological malignancies. 50 acute leukemias will be tested and results will be analyzed according to three criteria: Quantity, quality and relevance of information provided for the diagnosis, monitoring and therapeutic management compared to a conventional strategy Period required to obtain results and methods to decrease the analysis time so that results can be integrated into therapeutic decisions. Economic evaluation, which will calculate the cost of this diagnosis option and assess the cost/benefit ratio In future, other innovative approaches will be implemented (study of imbalances genomic abnormalities by array-CGH, transcriptome analysis with micro-array, and study of methylome) to identify the "molecular signature" of each leukemia and set of informative abnormalities for diagnosis, prognosis and treatment of disease and monitoring of residual disease.

Completed3 enrollment criteria

Clinical Trial Comparing ERAT vs Antibiotic Therapy vs Appendectomy for Treatment of Uncomplicated...

Acute Appendicitis

Endoscopic retrograde appendicitis therapy (ERAT) is a new and minimally invasive method for the diagnosis and treatment of acute appendicitis.After a positive diagnosis of acute appendicitis is established by either colonoscopic direct-vision imaging or fluoroscopic endoscopic retrograde appendicography (ERA) imaging in patients with suspected acute appendicitis, the procedures to relieve the appendiceal lumen obstruction including appendiceal luminal irrigation, appendicolith removal, and stenting for drainage whenever necessary will be carried out. In this multicenter prospective randomized clinical trial, the patients with uncomplicated acute appendicitis will be divided into three groups randomly: ERAT group, antibiotic therapy group and appendectomy group. The primary outcome is duration of abdominal pain. The secondary outcomes include mean hospital stay, mean operative time, duration of fever, duration of leukocytosis, bed time, rate of complication, rate of recurrence and rate of appendectomy during follow-up period of 1 year.

Unknown status8 enrollment criteria

Chinese Herbal Medicine for Immune Reconstitution Following HSCT in Acute Leukemia Patients

Acute Leukemia

The treatment options for high-risk acute leukemia patients are limited and these patients are often opt for hematopoietic stem cell transplant (HSCT). However studies show that prognosis following this last-resort therapy is bleak. At times, less than 70% of post-HSCT relapsed AML and ALL patients even achieve complete remission; median overall survival of these cohorts might not reach one year; and 3-year post-HSCT survival rates might be less than 20%. The investigators plan to recruit acute leukemia patients from CMUH which are planned to receive HSCT, and follow the rate and quality of their immune reconstitution. As intervention, part of the patients will receive a Chinese medicine herbal formula, which they will take for 6 months.Differences between the 1-year post-HSCT condition of patients will be examined.

Completed6 enrollment criteria

Evaluation of Effectiveness of the Treatment After Repeated Administration of Klacid®SR

TracheitisTracheobronchitis3 more

This post-marketing observational study (PMOS) will be conducted in a prospective, single-arm, single-country, multicenter format. The investigational sites will be consulting rooms of GPs (general practitioner), pneumologists and centers with experience in the treatment of patients with acute infections of trachea, bronchi, AECB (acute exacerbation of chronic bronchitis) and CAP (mild community-acquired pneumonia). Since this will be a post-marketing observational study, Klacid SR will be prescribed in usual manner in accordance with the terms of the local market authorization with regards to dose, population and indication as well as local guidelines. Objective: to describe the effectiveness of the treatment with repeated administration of Klacid SR in patients with acute tracheitis, acute tracheobronchitis or acute bronchitis; or in patients with acute exacerbation of chronic bronchitis (AECB) or mild community-acquired pneumonia (CAP) who received Klacid SR treatment 6 weeks to 24 months prior to the Klacid SR dose administered within this study.

Completed15 enrollment criteria

Perioperative Hyperoxygenation and Wound Site Infection Following Surgery for Acute Appendicitis...

Acute Appendicitis

Patients undergoing open appendectomy for acute appendicitis were enrolled in a randomized prospective study.

Completed6 enrollment criteria

Monitoring the Diagnosis and Management of Acute Leukaemia In Pregnancy Study.

Acute Leukemia

Acute leukaemia (AL) is an aggressive but potentially curable cancer that can affect women of childbearing age. When a pregnancy is complicated by a diagnosis of AL, clinicians face a complex dilemma: to balance risking the mother's survival through delaying treatment, against the potential harm to the foetus through exposure to cancer drugs. Reports suggest that, providing the first trimester is avoided, successful treatment of AL during pregnancy is possible, and considered safe. However, there is currently no standard approach to treatment of these women. This observational study aims to monitor and record the current treatment and outcomes of patients diagnosed with acute leukaemia during or prior to pregnancy. Patients will receive the treatment recommended by their doctor, the study will not alter the treatment pathway of participants. This study will establish a new research database of Leukaemia in Pregnancy, initially collecting data from cases since August 2009, and any new cases that are diagnosed during the current funding period. The initial planned analyses from this dataset will enable more robust, evidence-based recommendations to be made on how to monitor and manage these patients, and will add value to and improve the existing British Committee for Standards in Haematology (BCSH) guidelines, which were largely derived from expert opinion. This should enable healthcare professionals to have greater confidence in managing these patients, leading to a more standardised approach to providing high quality care. The study will benefit National Health Service (NHS) Trusts and patients across the United Kingdom (UK) through more informed clinical decision making with regards to the care they receive. It will also provide an important data resource which researchers can apply to use in further analyses, with plans to continue data collection if further funding is obtained.

Completed2 enrollment criteria

Sensitivity and Specificity of the Alvarado Score for the Timely Differential Diagnosis of Acute...

Acute Appendicitis

Retrospective clinical data review design of all patients admitted to the Tupua Tamasese Meaole Hospital Surgical Unit for AA from January 2015 to December 2016. Exclusion criteria were appendiceal abscess and/or mass, and final diagnosis 'not acute appendicitis'. Age, sex, village, Alvarado Score, Ultrasound Scan Result, surgical management, and histopathology result were the main variables entered into the SPSS statistical software package for analysis.

Completed4 enrollment criteria

Immunogenicity and Safety of a Third Dose and Immune Persistence of BBIBP-Corv Vaccine in Elderly...

COVID-19Chronic Bronchitis1 more

Evaluation of immunogenicity, safety and persistence of the subjects aged 60 years and above with chronic bronchitis and chronic obstructive pulmonary disease received the third dose of inactivated COVID-19 vaccine .

Unknown status21 enrollment criteria

Study of the Level of a Protein Which Could Predict the Development of a Fungal Infection in Patients...

Acute LeukemiaInvasive Fungal Infection

The aim of this study is to investigate levels of a protein, mannose binding lectin, in patients with acute leukemia who develop or not an invasive fungal infection.

Completed8 enrollment criteria

Tolerance and Effect of a Prophylactical Treatment With Ivy Leaves Dry Extract in Recurrent Wheezy...

Acute Wheezy BronchitisRecurrent Bronchitis

To evaluate the effect of a prophylactical therapy with a cough medicine containing ivy leaves dry extract on the frequency of recurrent wheezy bronchitis in toddlers, on the duration of the bronchitis episodes, on the severity and the additional drug demand. A prolonged asymptomatic episode between each wheezy bronchitis due to the therapy is assumed.

Unknown status14 enrollment criteria
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