Johns Hopkins Bloomberg School Of Public Health

This study in Bangladesh looks at whether giving pregnant women a special balanced energy and protein supplement can help babies be born at a healthier weight and reduce problems like low birth weight and preterm birth. About 3,390 women will be randomly assigned to receive eithe…

This study tests two counseling programs to help women who use drugs in Tanzania start and stick with HIV prevention pills (PrEP). 200 women will be randomly assigned to receive either basic information, two counseling sessions, or those sessions plus extra mental health support.…

This study looks at two ways for older adults (65+) who are at risk of frailty to sit less and move more. Over 60 days, participants will either take one 30-minute walk or three 10-minute walks each day. Researchers want to see which approach is easier to stick with and whether i…

This study looks at how much of certain vitamins and minerals women in Bangladesh need to be healthy. Current recommendations are based on data from wealthier countries and may not work well for undernourished populations. Researchers will give different doses to non-pregnant and…

This study talks to 40 people who use opioids to learn why they might be hesitant about COVID-19 vaccines. Researchers want to understand barriers and improve HIV prevention in injection drug users. The study does not provide any treatment, only gathers opinions through a questio…

This pilot project in two districts of Karnataka, India, tests whether local village task forces can help improve health services at government clinics. About 4,160 women and adults will be involved to see if this approach increases antenatal care, disease screening, and patient …