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This nationwide observational cohort study compares the risk of major adverse cardiovascular events (MACE) and territory-specific arterial complications between patients with incident Takayasu arteritis and matched general-population controls, and identifies determinants of MACE …

A decision-to-delivery interval of 30 minutes for category-1 Caesarean section deliveries is the standard of practice recommended by clinical guidelines.

The primary purpose of the trial is to evaluate whether the management of placental delivery with controlled cord traction (CCT) reduces the incidence of postpartum haemorrhage, compared with management waiting for clinical signs of spontaneous placental separation, in women with…

Approximately 30% of patients with rheumatoid arthritis have an inadequate response to anti-TNF (primarily or loss of response), leaving two alternatives: rotation to a second anti-TNF or change of biologic, with a different mechanism of action, such as abatacept, rituximab and t…

The objective of this study is to evaluate the transplacental passage of fine and ultrafine particles (nanoparticles) inhaled by the mother.

BAVgenetics is a partnership between Investigators at Boston University, Brigham and Women's Hospital, and Massachusetts General Hospital dedicated to discovering the genetic causes of bicuspid aortic valve disease and associated aortic disease.

This study will evaluate several potential risk factors for postoperative delirium in cardiac surgery patients. The risk factors will include use of specific preoperative, intraoperative, and/or postoperative medications. Other risk factors investigated may include exposure to ca…

The purpose of this study is to evaluate the immunogenicity and safety of an inactivated, non adjuvanted A(H1N1)v influenza vaccine in 120 pregnant women. Study procedures will include 2 doses of vaccine, blood samples, cord blood samples at delivery and recording temperature an…

The purpose of this study is to determine differences in the XLIF and TLIF procedures with respect to perioperative variables in adult patients with low-grade symptomatic spondylolisthesis.

The project is to evaluate immunogenicity, efficacy and tolerance of vaccination against influenza (seasonal and H1N1) in patients affected with systemic and autoimmune diseases.

Purpose: The investigators plan to test a newly FDA approved pharmacologic stress agent, Regadenoson, in conjunction with atropine in the use of stress echocardiography for the diagnosis of coronary artery disease. The selective nature of Regadenoson allows for its use in patient…

The scope of the trial is to assess the free progression rate at 2 months for each group of patients.

The investigators hypothesize that following virological failure of a standard NNRTI+2N(T)RTI regimen second-line antiretroviral therapy consisting of ritonavir-boosted lopinavir and 2N(T)RTIs will offer comparable efficacy to that provided by ritonavir-boosted lopinavir and ralt…

Psychological therapies for depression have demonstrated efficacy, but outcomes are still unsatisfactory, especially in cases with high comorbidity. Depression and anxiety co-occur in up to 69-75% of teens and intensify functional impairment and service use. This study will devel…

The purpose of this study is to test the usefulness of imaging with radiolabeled methionine in the evaluation of children and young adults with tumor(s). Methionine is a naturally occurring essential amino acid. It is crucial for the formation of proteins. When labeled with carbo…

This randomized pilot phase I trial studies the best way, either expressed prostatic secretion (EPS) or post massage urine (PMU) biomarkers, of predicting biopsy results in patients undergoing prostate biopsy. Studying samples of urine in the laboratory may help doctors detect pr…

The goal of this study is to obtain specimens and data from individuals and their families with heterotaxy and related congenital heart defects in order to clarify the molecular genetics of this disorder. The knowledge gained from the analysis of this information will provide the…

The purpose of this trial is to determine whether cervical ripening with isosorbide mononitrate reduce caesarean section in women with post term pregnancies.

This study (https://pdrisk.ninds.nih.gov) will determine if people who have risk factors for Parkinson disease (PD) have biomarkers (objective ways to measure a disease process) that show that the disease process is actually going on, and if people who have abnormal biomarkers go…

In this pilot study, the investigators examined whether a relaxation response mind-body intervention could be effectively delivered to mixed groups of IBS and IBD patients and determined the effects of the intervention on quality of life, inflammatory markers, and gene expression…