Johns Hopkins Bloomberg School Of Public Health

This study tests whether home visits by female community health volunteers plus regular SMS messages can help adults in Pokhara, Nepal, better control high blood pressure, type 2 diabetes, and smoking. About 2100 participants are split into two groups: one gets the home visits an…

This study provides American Indian households in North and South Dakota with a special water filter to remove arsenic from their drinking water, plus extra educational visits to help families use it correctly. The goal is to see if this combined approach can lower the amount of …

This study looked at how two different malaria drug combinations work in children with uncomplicated malaria in Zambia. The goal was to see how well the drugs clear malaria parasites from the blood and prevent new infections for up to 9 weeks. About 182 children took part, and re…

This study tests two counseling programs to help women who use drugs in Tanzania start and stay on PrEP, an HIV prevention pill. 200 women will be randomly assigned to receive either brief motivational counseling, the same plus extra mental health support, or standard information…

This study tests whether showing parents of unvaccinated 11-17 year olds a combination of personal HPV stories and informational videos increases the number of teens who get the HPV vaccine. Over 1,100 parents will be randomly assigned to watch either an informational video, a pe…

This study tests a suicide prevention program called Native-RISE in three Indian Health Service clinics serving Native American communities. The program uses a computer model to identify adults at risk of suicide and then connects them with case managers for support. The goal is …

This study tests two walking programs in 60 older adults who are at risk of becoming frail. One group will gradually replace 30 minutes of sitting with one long walk, while the other will do three short walks spread throughout the day. Researchers want to see which approach is ea…

This study tests whether a short online hazard perception training can improve driving and reduce crashes among 8,000 teen drivers in Washington State. Participants are randomly assigned to receive the training or a placebo (vehicle maintenance videos). Researchers then track cra…

This study aims to understand why people who use drugs in Baltimore may be hesitant to get a COVID-19 vaccine. Researchers will interview 40 participants about their views and barriers to vaccination. The goal is to improve vaccine access and acceptance in this community.

This study planned to see if a mobile app called iRise could help emergency room doctors, nurses, and technicians in Pakistan feel more confident and willing to respond during public health emergencies. The app was designed to provide training and support. However, the study was …

This study tests different doses of a vitamin-and-mineral-fortified food supplement in 643 women in Bangladesh, including those who are pregnant. The goal is to find the minimum dose needed to correct nutritional deficiencies, since current daily recommendations are based on heal…