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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2000-1-20
pubmed:abstractText
In this retrospective study, we evaluated the histological and biological predictors of long-term response of renal transplant (RT) patients treated with orthoclone OKT3 for steroid resistant acute rejection (AR). Seventy-three patients, aged 37 +/- 12 years, were included in this study between March 1987 and December 1996. All the patients but one had received sequential quadruple immunosuppression (polyclonal antilymphocyte globulins; steroids; azathioprine, and cyclosporin A). OKT3 (5 mg/day for 10 days) was administered for biopsy-proven steroid resistant AR i.e., after 3 consecutive pulses of methylprednisolone (10 mg/kg each). This was the first AR in 46 cases, the second AR in 22 cases and the third AR in 4 cases. Renal histology (Banff) showed borderline (BL) changes in 18 patients, grade I AR in 28 patients; grade II AR in 22 patients, and grade III AR in 5 patients. When treatment with OKT3 commenced (107 +/- 18 days post-transplantation) the mean serum creatinine (SCr) level was 325 +/- 195 micromol/l; this had decreased to 191 +/- 106 micromol/l by the end of OKT3 therapy. The immediate response to OKT3 therapy i. e., within the first month, was not dependent on the histological score. Twenty-six patients (35%) subsequently experienced at least one more AR episode of whom 4 were retreated with OKT3. The overall patient's survival was 94.5% at last follow-up. The overall cumulative graft survival was 64.5% at 2 years, 52.5% at 5 years, and 40.5% at 8 years. The graft survival (5 years) tended to depend on the initial histological score, i.e. BL 30%; grade I 66%; grades II and III 55.5% (p = 0.08). In a multiple logistic regression analysis we tried to identify independent factors that would predict that a graft would still be functioning at least 2 years after OKT3 therapy. We therefore analyzed the following parameters: donor and recipient's age; gender; cold ischemia time; HLA matching; panel reactive antibodies (PRA) prior to grafting; previous transplantation(s); total number of AR episodes; the time of onset of the AR treated by OKT3 compared to the other AR; the time of onset of the AR treated by OKT3; SCr levels at days 0, 10 and 30 after OKT3 therapy; histological score (Banff) i.e., the magnitude of AR and the presence or absence of chronic lesions. The only independent factors which would predict that a graft was still functioning 2 years after OKT3 therapy were: PRA <25% (Odds ratio (OR) 7.68 (1.15-51.3); p = 0.035); a grade I AR (OR 10.52 (1.18-93. 5); p = 0.035); SCr level 1 month after OKT3 therapy (OR 0.935 (0. 87-1.002); p = 0.05). HLA matching and the presence of histological chronic lesions were nearly significant (p = 0.06 and 0.09 respectively). In conclusion, this retrospective study shows that independent predictors of the long-term response to OKT3 therapy for AR in RT patients are the magnitude of pre-transplant PRA, the histological score, and the SCr level one month after OKT3 therapy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0250-8095
pubmed:author
pubmed:copyrightInfo
Copyright 1999 S. Karger AG, Basel
pubmed:issnType
Print
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
634-40
pubmed:dateRevised
2009-12-30
pubmed:meshHeading
pubmed-meshheading:10592356-Acute Disease, pubmed-meshheading:10592356-Adult, pubmed-meshheading:10592356-Biopsy, pubmed-meshheading:10592356-Cadaver, pubmed-meshheading:10592356-Drug Resistance, pubmed-meshheading:10592356-Female, pubmed-meshheading:10592356-Follow-Up Studies, pubmed-meshheading:10592356-Glucocorticoids, pubmed-meshheading:10592356-Graft Rejection, pubmed-meshheading:10592356-Graft Survival, pubmed-meshheading:10592356-Humans, pubmed-meshheading:10592356-Immunosuppressive Agents, pubmed-meshheading:10592356-Injections, Intravenous, pubmed-meshheading:10592356-Kidney Transplantation, pubmed-meshheading:10592356-Male, pubmed-meshheading:10592356-Muromonab-CD3, pubmed-meshheading:10592356-Prognosis, pubmed-meshheading:10592356-Retrospective Studies, pubmed-meshheading:10592356-Tissue Donors
pubmed:year
1999
pubmed:articleTitle
Predicting factors of long-term results of OKT3 therapy for steroid resistant acute rejection following cadaveric renal transplantation.
pubmed:affiliation
Multi-Organ Transplant Unit, Toulouse University Hospital, Toulouse, France. rostaing.1@chu-toulouse.fr
pubmed:publicationType
Journal Article, Comparative Study