Role of T-cells in post-menopausal osteoporosis

   The objective of this study is to characterize the T-cell phenotype in women undergoing surgical menopause.  The hypothesis is that in the estrogen deficient state T-cells will have a more activated phenotype and produce cytokines that promote osteoclast maturation.  Funding NIH.

Vitamin D to enhance the innate immune system in cystic fibrosis

     The objective of this study is to determine how vitamin D may improve the immune function against chronic infection in CF patients. 

Prevention of Secondary Hyperparathyroidism with Vitamin D (POSH-D)

      The objective of this study is to determine if vitamin D given in CKD 2/3 can prevent secondary hyperparathyroidism.

Evaluation of Doxercalciferol (Hectorol) for Hypertension and Renin Suppression: A Pilot Randomized Clinical Trial