Johns Hopkins Bloomberg School Of Public Health

This study tests whether giving a whole blood transfusion can help children under 5 years old with severe malaria and very low platelet counts survive. About 132 children will be randomly assigned to receive either standard care plus a transfusion or standard care alone. The main…

This study looks at whether pregnant women can take their daily calcium and iron supplements at the same time without harming their own or their baby's iron levels. About 3,200 women in Burkina Faso and Pakistan will be randomly assigned to take both supplements together in the m…

This study tests a diabetes management program called Together Overcoming Diabetes (TOD) designed specifically for Lakota and other American Indian/Alaska Native communities. About 140 adults with type 2 diabetes who care for a young person aged 10-25 will take part. The program …

This study tests a program called Hastiin Bidziil (Strong Man) to help Native American men reduce their use of drugs or alcohol. About 160 men aged 18 and older who live near Fort Defiance or Chinle, Arizona, and are at moderate or higher risk will take part. The program uses cul…

This study aims to help people who use drugs in Baltimore prevent both HIV and overdose. Participants will get access to drug-checking services to know what's in their drugs, plus PrEP medication to prevent HIV. The goal is to see if this combined approach increases PrEP use and …

This study looks at whether people with gastroparesis (a condition where the stomach empties slowly) have problems with the pyloric sphincter, the muscle that controls food leaving the stomach. Researchers will use special tests to measure how well this muscle works in 150 adults…

This study looks at whether a simple guide can improve how family caregivers and home care aides share information when caring for someone with Alzheimer's or related dementia. About 100 family members and aides will use the guide and report back on how helpful it is. The goal is…

This study looks at whether watching personal stories or informational videos—or both—can help more older adults get vaccinated. Researchers will compare three approaches in 6,000 U.S. adults aged 50 and older. The goal is to find the best way to encourage vaccination.

This study is testing a mobile app called SAFPAS to help food pantries in Baltimore give clients healthier food options and be better prepared for emergencies. About 537 food pantry clients and 20 pantries will take part. Researchers will check if the app improves the nutritional…

This study creates a national registry of 216 children, teens, and young adults (ages 8-25) with gastroparesis or similar symptoms. Researchers will track changes in stomach-related symptoms and quality of life over 48 weeks using questionnaires. The goal is to better understand …

This study will test a school-based program to help 2,500 high school students in Saudi Arabia build healthier digital habits and reduce problems like social media addiction. Some students will get the standard digital citizenship class, while others will also have a parent progr…