Found 2,831 clinical trials
Risk of Recurrence of Cervical Artery Dissection During Pregnancy and Puerperium
Cervical artery dissection (CAD) accounts for about 2% of all strokes, and is a major cause of stroke in young people (about 15%). Many cases of CAD during pregnancy and puerperium have been described, suggesting that pregnancy and puerperium may be potential risk factors for CAD. The purpose of this …
Correlation Between Molecular Typing and Neoadjuvant Chemotherapy in Breast Cancer Patients Based on Mammaprint/Blueprint Test
This study prospectively included 150 breast cancer patients (30 patients in the first stage and 120 patients in the second stage) who were treated with the commonly used neoadjuvant chemotherapy recommended by NCCN, received surgical treatment after neoadjuvant chemotherapy, and evaluated the efficacy according to the surgical pathological response.Based on …
Establishment of Squamous Cell Organoids of the Head and Neck to Assess Their Response to Innovative Therapies
The emergence of tumor organoid cultures in recent years has made it possible to widen the repertoire of available preclinical tumor models and to bridge the gap between cell lines and tumors of xenografted patients in mice (PDXs).These organoids have the advantages of being able to be amplified fairly quickly …
Viral Excretion in Contact Subjects at High/Moderate Risk of Coronavirus 2019-nCoV Infection. COVID-19.
In December 2019, a pneumonia due to a novel coronavirus (SARS-CoV-2) emerged in the city of Wuhan, in China. In a few weeks, the number of confirmed cases of SARS-CoV-2 infection has dramatically increased, with almost 150'000 cases and more than 6'000 reported deaths on March, 16th 2020. Little is …
Barriers to Screening Breast MRI Utilization Among Patients at Elevated Risk
This study seeks to develop an explanatory framework for breast MRI utilization to inform future interventions. The Health Services Utilization Model (HSUM) will guide the selection of specific participant-level factors for examination, including predisposing characteristics (knowledge, health/cultural beliefs), enabling resources (social support, cost/insurance coverage), and perceived need (perceived susceptibility, provider …
RETHINK REFLUX Registry
The RETHINK REFLUX Registry is a post-market prospective, multi-center, observation, single arm, long-term safety surveillance registry of subjects implanted with the LINX device. The primary objective of the study is to confirm the long-term safety profile of the LINX device and procedure (implant/explant) up to 10 years post-implant.
Preoperative Estimation Of Disc Herniation Recurrence In Patients With Lumbar Disc Herniation
This study will be conducted at Research Institute of Traumatology and Orthopedics (NRITO) n.a. Ya.L.Tsivyan, Novosibirsk, Russia. The current study is prospective observational study to evaluate the efficacy of preoperative estimation of disc herniation recurrence among patients with lumbar disc herniation using predictive mathematical model at terms 3 years postoperatively …
Lumpectomy Specimen Margin Evaluation With Tomography and Structured Light Imaging
The purpose of this study is to test a new surgical imaging system called "Structured Light Imaging (SLI)." This system is designed to examine tissue removed during breast cancer surgery to see whether the tissue's edges contain cancer. The current standard of practice is to remove the breast tumor tissue …
Maternal Obesity and Offspring Neurodevelopment
Our goals are to characterize the effects of maternal obesity during pregnancy on infant brain development, reveal the neurodevelopmental consequences, and identify possible mechanisms causing these effects. Our overall hypothesis is that maternal obesity during pregnancy exposes the fetus to an inflammatory environment that affects infant brain structural and functional …
DISSECT-N Post Market Data Collection Registry
DISSECT-N is a post-market registry designed to assess real-world safety and effectiveness of Valiant Navion Thoracic Stent Graft System in the treatment of thoracic aortic dissections in real world practice.
