The NIH and NIDDK are supporting Exploratory/Developmental Research Grants (R21) proposing small scale or pilot and feasibility clinical and translational research studies, including epidemiological studies or clinical trials related to kidney or urologic disease research. Studies should address important clinical and translational questions. Projects supported by these grants may lead to full-scale clinical studies including diagnostic strategies, epidemiological studies, or randomized clinical trials of diagnosis, prevention, or treatment of kidney or urologic diseases. Read more.