Duke Clinical & Translational Science Institute Duke-Kannapolis launches kidney disease study for people of African descent April 14, 2021 Dr. Opeyemi Olabisi (second from left), principal investigator for the Duke APOL1 Study, joins the Duke CTSI TransPop team for the study launch in Kannapolis. Through her participation in COVID-19 research with the Duke Clinical and Translational Science Institute (CTSI), Connelia Houston learned about a new study in Kannapolis for people of African descent. The Duke APOL1 Study at the N.C. Research Campus needs people like Houston who are 50 or older, have African ancestry and do not have kidney disease, diabetes or HIV. Houston, an attorney in Charlotte who lives in Harrisburg, decided to enroll.