Centers For Disease Control And Prevention

This study compares a new 6-week daily rifapentine regimen against the standard 12-16 week rifamycin-based treatment for latent tuberculosis infection (LTBI). About 3,400 participants at increased risk of developing active TB will be randomly assigned to one of the two arms and f…

This study is creating a large national registry of people with ALS in the United States. Researchers will collect information from up to 30,000 participants to better understand how many people have the disease, who is affected, and what environmental or occupational factors mig…