There are about 173942 clinical studies being (or have been) conducted in United States. 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.
The purpose of this research is to improve how well remote patch allergy testing works and make sure they are easy and practical for people to use from home.
Valves will be taken from hearts donated by organ donors, and implanted into patients who need a new heart valve.
The masseter muscle is one of the muscles in the lower face used for chewing. The prominence of the masseter muscle can appear as a widened lower face which some individuals deem as aesthetically undesirable and can be treated by selectively weakening the masseter muscles with small quantities of botulinum toxin. The purpose of this study is to assess how safe and effective injection of onabotulinumtoxinA (BOTOX) is in adult participants with Masseter Muscle Prominence (MMP). BOTOX is being investigated for the treatment of Muscle Masseter Prominence. In Period 1, participants are placed in 1 of 2 groups, called treatment arms. Each group receives a different treatment, placebo or BOTOX. There is a 1 in 4 chance that participants will be assigned to placebo. In Period 2, eligible participants can receive an optional open-label retreatment of BOTOX. Approximately 200 adult participants with MMP will be enrolled in the study at approximately 20 sites in the United States. Participants will receive intramuscular injections across both the right and left masseter muscle of either BOTOX or placebo on Day 1. Participants who are eligible for re-treatment will be given BOTOX injections on either the Day 180, 210, 240, or 270 visit and will be followed up for up to 6 months. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular monthly visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, checking for side effects, and completing questionnaires.
Overactive bladder (OAB) is a common condition with a prevalence of 17% in the general population that significantly affects quality of life. Intradetrusor onabotulinumtoxinA injections are an advanced therapy for OAB as well as interstitial cystitis/bladder pain syndrome (IC/BPS). The most common adverse event following intradetrusor injection of onabotulinumtoxinA in urinary tract infection (UTI), which occurs in 8.6-48.1% of patients. To prevent UTIs, patients are given a course of antibiotics, however the ideal prophylactic regimen has not been determined for the timing, duration, and type of antibiotic. Four retrospective studies in the literature address this question with variable conclusions, and there are no prospective studies. Identifying the ideal regimen is important for preventing UTIs as well as minimizing antibiotic use to prevent adverse effects and development of antibiotic resistance. The population to be studied will be female patients 18 years and older who are patients of the urogynecology and urology clinics at Walter Reed National Military Medical Center with a diagnosis of OAB or IC/BPS and have chosen to be treated with intradetrusor onabotulinumtoxinA injections. It will be a non-blinded randomized controlled noninferiority trial in which the patients are randomly placed into 2 groups. The first group will receive a 3 day course of twice daily oral nitrofurantoin 100mg starting at the time of the procedure, and the second group will receive a single dose of 100mg oral nitrofurantoin at the time of the procedure. The patients will be screened at the clinic at the time that they schedule their intradetrusor onabotulinumtoxinA injection appointment or by phone 1-2 weeks prior to their procedure. If the patient agrees to participate in the study then they will be instructed to give a urine sample for urinalysis and culture 1 week prior to the procedure appointment to exclude existing UTI. If a UTI is diagnosed at this time they must complete treatment prior to the procedure or will need to reschedule their procedure. On the day of the procedure patients will receive the clinic standard 10ml of 2% viscous lidocaine through the urethra 10-20 minutes prior to the procedure, and may be offered 5-10mg oral diazepam at the discretion of the treating physician. All patients will be given 200mg of phenazopyridine and 100mg of nitrofurantoin prior to the initiation of the procedure. The procedure will take place as directed by the treating physician per standard operating procedure. A urinalysis and urine culture will be placed for all study participants at time of their procedure appointment in case they have symptoms of UTI, and they will be instructed to follow up with the research team by phone if they have concerns for a UTI. Patients will be contacted 30-45 days after the procedure by phone, email, or message through genesis and asked about any UTI symptoms, UTI diagnoses and secondary outcomes during the 30 days following the procedure. Data will be analyzed for the primary outcome of UTI rates in the 30 days following intradetrusor onabotulinumtoxinA injection.
This study evaluates the side effects and outcomes of patients who undergo cryoablation for early stage breast cancer.
the investigators aim to evaluate English and Spanish versions of the "Attitudes toward genomics and precision medicine" instrument (AGPM). This study will help validating a Spanish version of the AGPM among people identifying as Hispanic, Latino/a, or Latinx. Having a valid instrument is important for developing tailored interventions to decrease disparities in genomic healthcare for this population.
The goal of this randomized, crossover, clinical trial is to link: 1) gastrointestinal motility patterns induced by acute consumption of whole and refined grains, 2) enteric microbial production of bioactive metabolites, and 3) circulating postprandial appearance of metabolites important to cardiometabolic health including glucose, triglycerides, and cholesterol. Participants will be asked to consume a Smartpill monitoring device that records metrics of gastrointestinal motility in response to whole or refined grains, monitor cardiometabolic metabolties over an 8 hour postprandial window, and provide a fecal sample for microbiome-related analyses.
This phase II trial compares the safety, side effects and effectiveness of reduced dose radiation therapy to standard of care dose radiation in treating patients with indolent non-Hodgkin lymphoma. Radiation therapy uses high energy x-rays, particles, or radioactive seeds to kill cancer cells and shrink tumors. Standard of care radiation treatment for indolent non-Hodgkin lymphoma is usually delivered in 12 treatments. Studies have shown indolent lymphoma to be sensitive to radiation treatment, however, larger doses have higher rates of toxicities. A reduced radiation dose may be safe, tolerable and/or effective compared to standard of care radiation dose in treating patients with indolent non-Hodgkin lymphoma.
Severe and disabling abdominal pain is common in individuals with chronic pancreatitis. Although pain is associated with reduced quality of life and high economic and societal costs, there are limited effective options for pain management in this population. This study proposes an evidence-based psychological intervention approach using an internet-delivered pain self-management program to minimize the impact of pain and improve quality of life. The ultimate goal is to maximize the public health impact of the intervention with successful implementation and dissemination to pancreas clinics and to the community.
The Health Advocate for Liver Transplant (HEAL-Tx) Transition of Care Pilot is a nonrandomized, open-label intervention pilot of a health advocate intervention aimed to assess feasibility and acceptability of integrating a Health Advocate onto the transplant team to help adolescents transition their care to adult transplant teams. Across studies, health advocate roles vary, and can include coordinating medical care treatment, facilitating financial assistance (e.g., taxi vouchers), and connecting patients to community resources, which can improve self-management, mitigate social risks, and lead to better communication between the healthcare system and the family. In this pilot, the investigators will adapt this intervention for adolescent/young adult liver transplant patients and measure acceptability and feasibility according to RE-AIM.