<qa>  What was the hypothesis that immunosuppression with tacrolimus and mycophenolateThis was a prospective, randomized, controlled open-label trial of 2 different strategies of immunosuppression in de novo post-heart transplant patients. The hypothesis was that immunosuppression with tacrolimus and mycophenolate mofetil, coupled with rapid steroid weaning would provide similar anti-rejection efficacy as tacrolimus with only a 2 week course of mycophenolate mofetil but including the same rapid steroid wean. 