Abstract:
:A murine IgG1 antibody specific for the IL-2-binding site on the human lymphocyte IL-2 receptor beta chain (CD25) was evaluated in 11 patients who developed acute graft-versus-host disease following allogeneic marrow transplantation. All patients had received cyclosporine and methotrexate for prophylaxis of GVHD, either alone (4 cases), or in combination with antithymocyte globulin (4 cases) or with prednisone (3 cases). Patients had developed GVHD at 7-53 days (median 12) after transplantation and had failed treatment with corticosteroids for 3-44 days (median 19). Residual GVHD was of grade II severity in 4 patients, grade III in 5 patients, and grade IV in 2 patients. Sequential patients received monoclonal antibody in escalating doses from 0.1 mg/kg/day to 1.0 mg/kg/day for 7 days. Side effects were fever, respiratory distress, hypertension, hypotension, and chills occurring in 11 of 72 (14%) antibody infusions. Trough antibody levels greater than 6 micrograms/ml were achieved in patients treated with 0.5 or 1.0 mg/kg/day. Four of eight evaluable patients had an IgM antibody response, and one had an IgG response to the murine immunoglobulin. Clinical response of GVHD was evaluated in 10 patients who received the entire course of the antibody treatment. Among 7 patients treated within 40 days from transplantation, one patient had a complete response in the skin as the only involved organ, and 3 patients had a partial response, 2 in the skin and one in the gastrointestinal tract. No responses were achieved with liver disease at anytime or in any organ in patients treated beyond 40 days after transplantation. Since administration of this antibody was well tolerated and some efficacy was observed in patients with acute GVHD treated early after transplantation, there is a rationale for testing this antibody as an agent for prophylaxis of GVHD.
journal_name
Transplantationjournal_title
Transplantationauthors
Anasetti C,Martin PJ,Hansen JA,Appelbaum FR,Beatty PG,Doney K,Harkonen S,Jackson A,Reichert T,Stewart Pdoi
10.1097/00007890-199007000-00010subject
Has Abstract,Author List Incompletepub_date
1990-07-01 00:00:00pages
49-54issue
1eissn
0041-1337issn
1534-6080journal_volume
50pub_type
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