a, a N Clinical Trials
A listing of a, a N clinical trials actively recruiting patients volunteers.
Found 10,668 clinical trials
Cognitive Functioning in Adults With Somatic Diseases and General Population From a Biopsychosocial Perspective
The goal of this observational study is to investigate cognitive functioning profiles in adults with neurologically recognized aphasic syndromes and general population. The study group consist of minimal 600 adults (over 18 y.o.) who will be examined by qualified diagnosticians. Participants will be evaluated with tasks related to the studied …
Prediction of Lymph Node Metastasis in Patients With Thyroid Malignancy by a New Scale
The incidence of papillary thyroid cancer (PTC) has been on the rise in recent years, and 20%-50% of PTC patients will have lymph node metastasis. Lymph node involvement in PTC patients is usually related to the recurrence of PTC after surgery, and 30% of patients recur without lymph node dissection, …
A Retrospective Study on Epidemiological Characteristics of Chinese NF1 Patients in Real World (PROMISE)
Background/Rationale: Neurofibromatosis type 1 (NF1) affects about 1 in every 3000 people worldwide. Globally, 30~50% NF1 patients will develop plexiform neurofibromas (PNs), which grow rapidly in early childhood and can cause disfigurement, motor dysfunction, pain, airway dysfunction, visual impairment and bladder and bowel dysfunction. This systemic disease imposes a heavy …
A Study of the Correlation Between Portal Vein Thrombosis and Prognosis of Liver Transplantation
The goal of this observational study is to investigate the correlation between portal vein thrombosis (PVT) and the prognosis of liver transplantation. The main questions it aims to address are: What is the prevalence of PVT? What are the risk factors associated with PVT? What is the prognostic impact of …
A Clinical Follow-up Study on Drug Therapy for Graves' Disease Patients in China
This study was a prospective follow-up study of newly diagnosed and relapsed Graves' disease patients in the Endocrinology Clinic of the First Affiliated Hospital of China Medical University. The following aspects will be studied: 1. Through the prospective follow-up study of GD patients, we will get the relapse rate and …
Establishing a Longitudinal Cohort Study of Lung Cancer Using Tissue and Peripheral Blood Metabolomics.
This study will utilize tissue and peripheral blood samples for metabolomics analysis and establish a longitudinal metabolomics cohort at multiple critical treatment time points to comprehensively investigate the role of metabolomics in the diagnosis, prognosis, and therapeutic monitoring of lung cancer. By profiling metabolic alterations, this study aims to identify …
A Study of the Safety of Vonoprazan Exposure in Pregnant Women and Their Offspring
The main objective of the study is to compare the maternal, fetal, and infant outcomes of pregnant women who are exposed to vonoprazan during pregnancy with outcomes of an internal comparison cohort of pregnant women who are unexposed to vonoprazan during pregnancy but who may be exposed to other products …
Routine Electronic Patient-reported Outcome Measures During and After Radiotherapy: A Randomized Controlled Study
Patients in this study will be asked to periodically self-report their symptoms using their smartphones during the radiotherapy period and during the acute phase (3 months) after treatment, and radiation oncology physicians will evaluate the impact on cancer patients' quality of life and determine whether they can improve health outcomes …
Impact of Help-Seeking Behaviors on Allergic Rhinitis and Mental Health: A Longitudinal Study
This study explores how help-seeking behaviors for both emotional well-being and allergies impact the management of allergic rhinitis, asthma, and mental health symptoms, including anxiety and depression. The research involves a retrospective and longitudinal analysis of patients who sought treatment for allergic rhinitis and mental health concerns. The goal is …
Effect of Environmental Heat Stress on Maternal, Fetal and Infant Health: A Cohort Study
The goal of this study is to learn how being exposed to high environmental temperatures during pregnancy affects the health of pregnant women and their babies. The study also aims to understand how the body responds to heat stress during pregnancy and how this might lead to pregnancy complications and …
