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 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 works with American Indian communities in North and South Dakota to reduce arsenic in household drinking water. About 57 households with high arsenic levels (10 µg/L or more) are using special water filters and learning safer water practices. The goal is to lower arsen…

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 counseling programs to help 200 women who use drugs in Tanzania start and continue taking PrEP, a daily pill that prevents HIV. One group gets basic support, another gets extra mental health counseling. The goal is to find the best way to overcome barriers li…

This study compares two walking programs in 60 older adults at risk of frailty. One program gradually builds up to a single 30-minute walk each day, while the other spreads three 10-minute walks across the day. The goal is to see which approach makes it easier to replace 30 minut…

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…

This study looks at how the labels and marketing claims on cannabis products change what people think about the product's risks and effects. About 2,000 adults from states where recreational cannabis is legal will answer online survey questions after seeing a cannabis ad. The goa…

This study involves 8,000 people taking a driver training course in Washington State. Participants are split into groups: some get hazard perception or attention maintenance training, while others get vehicle maintenance or standard training. Researchers will compare crash rates …

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 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 pilot project in two districts of Karnataka, India, tests whether local village task forces can improve health services at Health and Wellness Centres. Over 4,000 residents, including new mothers and adults over 30, will participate. The goal is to see if community-led partn…