A retrospective study of 66 juvenile arthritic patients with reactive amyloidosis for a mean 12 +/- 10.7 years (1 to 30 years) from the onset of amyloidosis was performed. Forty-seven of them received continuous long-term chlorambucil therapy. Nineteen remaining patients were not treated with cytostatics of less than 3 months. The mortality rate for the whole group was 54.5%. 63.8% of those treated with chlorambucil are alive (mean survival 23.1 +/- 2.5 years). All patients from untreated group died. Their mean survival was 3.2 +/- 2.2 years. Nine patients from another group had been given thymus peptides for six months. Recurrent infections of the urinary and respiratory tract was the main reason for this therapy. Follow-up of 1 to 6 years showed good therapeutic effect of thymus peptides on the disease activity, alleviation of the renal manifestations and decline in recurrent infections. Recently, immunotherapy with intravenous immunoglobulins has been applied to 13 patients with IgG deficiency, renal failure, and persistent nephrotic syndrome. Preliminary results of the immunoglobulin treatment encourage to the further study on this therapeutic method.
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Amyloid-β 11C-PiB-PET imaging results from 2 randomized bapineuzumab phase 3 AD trials.
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August 2015
From Janssen Alzheimer Immunotherapy Research & Development, LLC (E.L., R.M., P.C., K.M.G., J.D., Y.L., I.C.T., S.B., E.Y., H.R.B.), South San Francisco, CA; Janssen Pharmaceutical (M.E.S.), Beerse, NV; Brigham & Women's Hospital (R.S.), Boston, MA; University of Michigan (R.K.), Ann Arbor; University of Pittsburgh (N.S.M., W.E.K., C.A.M.), PA; Butler Hospital (S.S.), Providence, RI; UCL Institute of Neurology (N.C.F.), London, UK; IXICO plc (D.L.H., A.S.L.), London, UK; Pfizer Inc. (B.T.W.), Groton, CT; Pfizer Inc. (K.B.), Collegeville, PA; Global R&D Partners, LLC (M.G.), San Diego, CA; and University of California (M.G.), San Diego.
Objective: To evaluate the effects of bapineuzumab on brain β-amyloid (Aβ) burden using (11)C-Pittsburgh compound B ((11)C-PiB)-PET.
Methods: Two phase 3 clinical trials, 1 each in apolipoprotein APOE ε4 carriers and noncarriers, were conducted in patients with mild to moderate Alzheimer disease dementia. Bapineuzumab, an anti-Aβ monoclonal antibody, or placebo, was administered by IV infusion every 13 weeks for 78 weeks.
Two phase 3 trials of bapineuzumab in mild-to-moderate Alzheimer's disease.
N Engl J Med
January 2014
From Butler Hospital, Providence, RI (S.S.); Brigham and Women's Hospital, Boston (R.S.); University College London, Institute of Neurology, London (N.C.F.); University of Göteborg, Sahlgrenska University Hospital, Mölndal, Sweden (K.B.); University of Pittsburgh, Pittsburgh (W.K.); Veterans Affairs Medical Center, Seattle (M.R.); Cleo Roberts Center for Clinical Research/Sun Health Research Institute, Sun City, AZ (M.S.); Columbia University (L.S.H.) and New York University Langone Medical Center (S.F.), New York; University of Rochester School of Medicine and Dentistry, Rochester, NY (A.P.P.); Janssen Alzheimer Immunotherapy Research and Development, South San Francisco, CA (M.R., N.K., B.N., V.G., M.M., D.W., Y.L., I.C.T., E.L., E.Y., H.R.B.); Janssen Research and Development, Titusville, NJ (J.L.); Global R&D Partners and the University of California, San Diego - both in San Diego (M.G.); and Pfizer, Collegeville, PA (R.B.).
Background: Bapineuzumab, a humanized anti-amyloid-beta monoclonal antibody, is in clinical development for the treatment of Alzheimer's disease.
Methods: We conducted two double-blind, randomized, placebo-controlled, phase 3 trials involving patients with mild-to-moderate Alzheimer's disease--one involving 1121 carriers of the apolipoprotein E (APOE) ε4 allele and the other involving 1331 noncarriers. Bapineuzumab or placebo, with doses varying by study, was administered by intravenous infusion every 13 weeks for 78 weeks.
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