Pilot Study to Evaluate the Safety and Efficacy of Abatacept in Adults and Children 6 Years and Older With Excessive Loss of Protein in the Urine Due to Either Focal Segmental Glomerulosclerosis (FSGS) or Minimal Change Disease (MCD)

New York University Langone Medical Center, New York

Columbia University Medical Center (Cumc), New York

Local Institution, Pittsburgh

University Of Pennsylvania, Philadelphia

Children's National Health System, Washington D.C.

NIH Clinical Center - NIDDK, Bethesda

Duke University, Durham

Levine Children's Hospital, Charlotte

Nemours Childrens Hospital, Orlando

University Of Miami Miller School Of Medicine, Miami

The University Of Alabama At Birmingham, Birmingham

University of Alabama-Birmingham-Parent Account, Birmingham

The Ohio State University Wexner Medical Center, Columbus

The Metro Health System, Cleveland

Cleveland Clinic, Cleveland

University of Michigan, Ann Arbor

Mayo Clinic, Rochester

Loyola University Medical Center, Maywood

Childrens Mercy Hospital, Kansas City

Renal Disease Research Institute, Dallas

University Of Texas Southwestern Medical Center, Dallas

University Of Colorado Denver, Aurora

Los Angeles Biomedical Research Institute, Torrance

Emory University, Atlanta

Boston Childrens Hospital, Boston

Brigham And Women'S Hosp Inc., Boston

Cincinnati Children'S Hospital Medical Center, Cincinnati