George Washington University

This study tests whether methotrexate, a medication used for rheumatoid arthritis, can reduce chronic joint pain and swelling in people who developed arthritis after chikungunya virus infection. 150 adults in Colombia with arthritis lasting over 3 months will receive either metho…

This study is testing whether switching to a plant-based diet can improve heart health and reduce inflammation in people who have received a kidney transplant. Researchers are helping 25 participants follow the diet for at least 16 weeks, with training and support. They will meas…

This study is testing a simple, low-cost plastic ruler with yellow shades, called a bili-ruler, to screen newborns for jaundice. It aims to see if this $10 tool works as well as more expensive methods to identify babies at risk. The goal is to provide an affordable way for clinic…

This study is testing an online program called PATHS, designed to help parents of gay and bisexual teenage boys (ages 14-19) have better conversations about sexual health. The goal is to see if improving parent communication can help reduce the teens' risk of getting HIV. Researc…

This study is testing whether a special cooling cap can help prevent hair loss in Black patients receiving chemotherapy for breast cancer. Researchers are enrolling 30 participants to see if wearing the cap during treatment helps preserve their hair. The study also measures how c…

This study aims to find out which amount of iron in prenatal multivitamins is most acceptable to pregnant women in Tanzania. About 156 pregnant women will try three different vitamin formulas with varying iron doses (30mg, 45mg, and 60mg) in a random order. Researchers will track…

This study aims to understand how pregnant women absorb vitamin B12 and to find the best daily dose for future research. It will enroll 40 pregnant women and 10 non-pregnant women in Tanzania to test three different B12 supplement doses over four weeks. The main goal is to gather…

This is a long-term observational study following people who were part of a major type 1 diabetes trial from the 1980s and 1990s. It tracks how early, intensive blood sugar control affects the development of serious complications like eye, kidney, and heart disease over many deca…

This study is observing 100 women with breast or gynecological cancers to see if their diet in the month before starting chemotherapy is linked to levels of a blood protein called hepcidin. Researchers will then check if hepcidin levels are connected to how well patients can stic…