Northwestern University

This study tests two programs to help young people aged 15-24 in Nigeria. One program helps find youth who have HIV and get them into care. The other helps those already diagnosed stick with treatment and lower their virus levels. Both use mobile health tools and peer support. Th…

This study aims to help control high blood pressure in Chicago's South Side, where rates are high and resources are low. About 2,000 adults from local churches and clinics will take part in a program led by community health workers. The program uses proven methods like simplified…

This study tests a drug called Ublituximab (Briumvi) in 40 adults with early relapsing multiple sclerosis (MS). The goal is to see if the drug is safe and can reduce nerve damage markers in the blood over about a year. Participants receive the drug twice a year, and researchers t…

This study tests whether high-intensity treadmill exercise can slow the worsening of motor symptoms in people with early-stage Parkinson's disease. 370 participants who have not yet started Parkinson's medication will be assigned to either moderate or high-intensity treadmill wor…

This study tests if breathing pure oxygen in a pressurized chamber (hyperbaric oxygen therapy) can help people hospitalized with moderate to severe ulcerative colitis flares. The goal is to see if this treatment can improve symptoms and reduce the need for stronger medications or…

This study is testing two different parent-led therapies for young children with autism, ages 18 to 48 months. The goal is to find the best order to give these therapies to improve the child's social communication and reduce disruptive behaviors. Researchers will also look at wha…

This study looks at whether over-the-counter hearing aids can improve communication for people over 60 with mild hearing loss and mild cognitive impairment or early Alzheimer's. Participants and a partner will try either hearing aids first or communication tips first. The goal is…

This study tests whether text message reminders can encourage more teenagers (ages 13-19) to get tested for HIV. About 360 teens who have had sex and are HIV-negative or unsure of their status will receive either helpful texts or general health information. Researchers will then …

This study tests whether a digital cognitive test can help primary care doctors detect early memory problems and dementia in underserved communities. About 45,000 adults aged 65 and older without prior diagnosis will participate across 24 clinics. The goal is to improve early det…

This study collects tumor tissue from up to 10,000 women undergoing breast cancer surgery. The samples are stored and used for future research to better understand breast cancer. No treatment or direct benefit is offered to participants.