Dr. John Gallin, longtime director of the National Institutes of Health's research hospital, has been moved to a new role months after a report sharply criticized the Clinical Center's leadership.

The Clinical Center, which opened in 1953, is where much of NIH’s own research takes place. It sees about 24,000 research volunteers of all ages each year. Only about 18 percent of participants ...

Patients as partners.Since the Clinical Center opened, more than 450,000 human subjects, including 56,000 healthy volunteers serving as controls, have participated in research projects.