Dr. Geoffrey Johnson

Mayo Clinic doctors discuss the role clinical trials — research studies that test new treatments and other interventions — play in cancer care.

Findings show extended progression-free survival for people with meningiomas who received a radiopharmaceutical approved for neuroendocrine tumors.

When Jay Elsten's neuroendocrine tumors no longer were responding to traditional treatment, Mayo Clinic offered him a recently approved nuclear medicine therapy. Within a week, Jay's symptoms were gone.