Abstract:
BACKGROUND AND OBJECTIVES:Continuous erythropoietin receptor activator (C.E.R.A.) is an innovative agent with unique erythropoietin receptor activity and a prolonged half-life, which has the potential for administration at extended dosing intervals. The objectives of this dose-finding study were to evaluate the hemoglobin (Hb) dose-response, pharmacokinetics, and safety of repeated doses of C.E.R.A. given once every 3 weeks to anemic patients with multiple myeloma (MM) receiving chemotherapy. DESIGN AND METHODS:This was an exploratory two-stage, open-label, parallel-group, multicenter study. Patients received C.E.R.A. doses of 1.0, 2.0, 3.5, 4.2, 5.0, 6.5, or 8.0 mg/kg once every 3 weeks by subcutaneous injection initially for 6 weeks, followed by a 12-week optional extension period. The primary outcome measures were the average Hb level and its change from baseline over the initial 6-week period, based on values of the slope of the linear regression analysis and the area under the curve. Rates of Hb response (defined as an increase in Hb of > or =2 g/dL without transfusion) and blood transfusion were also evaluated. RESULTS:Sixty-four patients entered the study. Dose-related increases in Hb levels were observed during the initial 6-week treatment period for C.E.R.A. doses of 1.0-4.2 mg/kg, with a similar response observed at higher doses. At least 70% of patients receiving 2.0-8.0 mg/kg of C.E.R.A. had Hb responses during the 18-week study. The elimination half-life of C.E.R.A. was found to be long (6.3-9.7 days [151.2-232.8 hours]). All doses were generally well tolerated. INTERPRETATION AND CONCLUSIONS:Based on its unique, long elimination half-life, C.E.R.A. has been demonstrated to be an effective and well-tolerated treatment of anemia given once every 3 weeks to patients with multiple myeloma receiving chemotherapy.
journal_name
Haematologicajournal_title
Haematologicaauthors
Dmoszynska A,Kloczko J,Rokicka M,Hellmann A,Spicka I,Eid JEdoi
10.3324/haematol.10730subject
Has Abstractpub_date
2007-04-01 00:00:00pages
493-501issue
4eissn
0390-6078issn
1592-8721journal_volume
92pub_type
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