Johns Hopkins Bloomberg School Of Public Health

This study is testing whether showing personal story videos alongside standard informational videos can encourage more older adults to get recommended vaccines. Researchers at Johns Hopkins are enrolling 6,000 U.S. adults aged 50 and older to watch different video combinations an…

This study is testing whether participating in a traditional Ojibwe ceremony called Gii'igoshimong can help reduce substance use and improve mental health. Researchers will enroll 300 American Indian adults who have used substances recently, with half participating in the ceremon…

This study is testing whether giving the antibiotic azithromycin to young children with a specific type of infectious diarrhea (Shigella) helps them get better faster and improves their growth. About 700 children in Bangladesh and Zambia will receive either the real antibiotic or…

This study is testing whether giving a whole blood transfusion helps children survive severe malaria when they also have dangerously low platelet counts. Researchers in Zambia will randomly assign 132 children to either receive the transfusion or not, then track their recovery. T…

This study is testing a diabetes management program specifically designed for Lakota families in South Dakota. It involves adults with Type 2 diabetes and a young family member who acts as a support person. The goal is to see if this culturally relevant, family-focused approach h…

This study is testing a community support program to help adults in Pokhara, Nepal, manage chronic health conditions like high blood pressure, type 2 diabetes, and smoking. It will see if regular home visits from trained local health volunteers, combined with supportive text mess…

This study is testing a new support program for young people (ages 15-21) living with HIV in Zambia. The program combines peer mentoring with mental health skills training to help them cope with the shame and stress related to HIV, violence, and depression. Researchers want to se…

This study tests a program designed to help more Native American women get mammograms, which are important for early breast cancer detection. It will involve 200 women from the Navajo Nation who are due for a screening. Researchers will compare two approaches: one using a cultura…

This study is testing a culturally tailored prevention program called Hastiin Bidziil (Strong Man) designed to reduce substance use among Native American men aged 18-26. The program focuses on cultural strengths and community connection rather than just telling people to stop usi…

This study aims to find the best way to encourage parents to vaccinate their 11-17 year olds against HPV. Researchers are testing whether videos with just facts, just personal stories, or a combination of both are most effective. They will measure how many parents follow through …

This study is testing a new support program designed to help Black women in Baltimore start taking medication to prevent HIV. The program is specifically tailored to address challenges like intimate partner violence and discrimination that can make it hard for women to access pre…

This study is testing a new community program designed to prevent HIV infections and drug overdoses among people who use drugs in Baltimore. The program uses a mobile unit to offer two main services: checking street drugs for dangerous substances and providing access to HIV preve…

This study is testing a new program designed to prevent cholera and severe diarrhea from spreading within households in the Democratic Republic of the Congo. Researchers will enroll about 2,900 people from households where someone is being treated for diarrhea. The program provid…

This study is testing whether a program called 'Bright Horizons' can help Native American teenagers reduce binge drinking and drug use. The program teaches skills for managing emotions, solving problems, and setting goals to avoid substance use. Researchers are enrolling 100 teen…

This study is testing a school program designed to help high school students in Saudi Arabia develop healthier relationships with digital technology. It will compare a standard digital wellbeing curriculum to an enhanced version that also involves parents through a WhatsApp-based…

This study aims to find out if pregnant women can take their calcium and iron-containing vitamin supplements together at the same time, instead of having to take them separately hours apart as currently recommended. Researchers in Burkina Faso and Pakistan will enroll 3,200 pregn…

This study tests whether people who use opioids can effectively train their friends and family members to prevent and respond to drug overdoses. Researchers are recruiting 600 people in Baltimore who use opioids to become peer educators, teaching both drug-using and non-drug-usin…

This study is testing a special coaching program for 3rd, 4th, and 5th grade teachers called the Bullying Classroom Check-Up. The goal is to see if training teachers to better spot and handle bullying leads to less aggressive behavior among students and a more positive school cli…

This study is testing different educational programs designed to help pregnant women in Ethiopia get better prenatal care, take their iron supplements, and give birth in hospitals or clinics. Researchers will work with over 1,000 pregnant women to create and test messages deliver…

This study is testing a program to prevent cholera outbreaks by focusing on neighborhoods where a cholera patient lives. Researchers will provide water, sanitation, and hygiene education to about 3,140 people living near cholera cases in Bangladesh. They want to see if this targe…

This study is testing two different counseling programs to help women who use drugs in Tanzania start and continue taking a daily pill that prevents HIV infection. Researchers will enroll 200 women and randomly assign them to receive either basic counseling about the prevention p…

This study is testing two simple, two-week programs to see if they can help college students who use social media a lot feel better. 300 students will either try daily mindfulness meditation, reduce social media time and replace it with exercise, or be in a group with no special …

This study is developing and testing a mobile app to help food pantries run better. The app is designed to help pantry staff manage volunteers and orders, and to help clients choose healthier foods. Researchers will test the app with 20 food pantries and 360 of their regular clie…

This long-term study follows 24,000 mother-child pairs from birth through age 21 to understand how early life factors affect health later on. Researchers collect health information, biological samples, and environmental data to identify connections between pregnancy, childhood, a…

This study is testing a new guide designed to help family caregivers and home care aides work together better when caring for a person with Alzheimer's or dementia. Researchers want to see if the guide is easy to use and helpful for clarifying who does what in daily care. They wi…

This study aims to understand if problems with the pyloric sphincter—the muscle valve between the stomach and small intestine—are common in people experiencing symptoms of gastroparesis (slow stomach emptying). Researchers will compare 150 participants with gastroparesis symptoms…