Setor de Transplante Renal, Hospital do Rim Hipertensão/ UNIFESP, Rua Borges Lagoa, Sao Paulo, Brazil

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FTY720 is a novel immunomodulator that was developed to produce optimal graft protection with improved safety and tolerability. Phase II studies have demonstrated the efficacy of FTY720 up to the doses of 2.5 mg with full-dose cyclosporine (FDC).

This multicenter, double-blind, Phase IIb, randomized study evaluated the safety and efficacy of 5 mg FTY720 (n=87; Group 1) vs. 2.5 mg FTY720 (n=90; Group 2) vs. mycophenolate mofetil (MMF; n=94; Group 3) in de novo renal transplant patients receiving FDC and prednisone.

The primary efficacy endpoint was the occurrence of treated biopsy-proven acute rejection, graft loss, death, or premature study discontinuation (composite endpoint) within 6 months. The primary endpoint was superior in Group 1 (24%) and statistically noninferior in Group 2 compared to Group 3 (24.1% vs. 29.2% vs. 39.4%; P=0.025 and 0.0039, respectively). FTY720 plus FDC was generally well tolerated, with a similar incidence of adverse events across all groups. FTY720 was associated with higher incidence of bradycardia (Group 1: 26.4%, P=0.0002 and Group 2: 15.6%, P=0.046, vs. Group 3: 6.4%), respiratory disorders (Group 1: 40.2%, not significant [P=NS] and Group 2: 34.4%, P=NS vs. Group 3: 28.7%). One macular edema occurred in Group 2. Lower creatinine clearances were observed with FTY720 versus MMF (Group 1: 52.4 ml/min, P=NS and Group 2: 51.7 ml/min, P=0.039 vs. Group 3: 62.5 ml/min).

Although FTY720 with FDC provided adequate protection from acute rejection the safety profile was less favorable for adverse events than current standard immunosuppression in de novo renal transplant patients.

Written by
Tedesco-Silva H, Szakaly P, Shoker A, Sommerer C, Yoshimura N, Schena FP, Cremer M, Hmissi A, Mayer H, Lang P; FTY720 2218 Clinical Study Group.

Reference
Transplantation. 2007 Oct 15;84(7):885-92

PubMed Abstract
PMID:17984842

UroToday.com Renal Transplantation, Vascular Disease Section

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