ORENCIA® (abatacept) is a soluble fusion protein that consists of the extracellular domain of human cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) linked to the modified Fc (hinge, CH2, and CH3 domains) portion of human immunoglobulin G1 (IgG1). Abatacept is produced by recombinant DNA technology in a mammalian cell expression system. The apparent molecular weight of abatacept is 92 kilodaltons. ORENCIA is supplied as a sterile, white, preservative-free, lyophilized powder for parenteral administration. Following reconstitution with 10 mL of Sterile Water for Injection, USP, the solution of ORENCIA is clear, colorless to pale yellow, with a pH range of 7.0 to 8.0. Each single-use vial of ORENCIA provides 250 mg abatacept, 500 mg maltose, 17.2 mg monobasic sodium phosphate, and 14.6 mg sodium chloride for administration.
ORENCIA is indicated for reducing signs and symptoms, inducing major clinical response, slowing the progression of structural damage, and improving physical function in adult patients with moderately to severely active rheumatoid arthritis who have had an inadequate response to one or more DMARDs, such as methotrexate or TNF antagonists. ORENCIA may be used as monotherapy or concomitantly with DMARDs other than TNF antagonists.
ORENCIA should not be administered concomitantly with TNF antagonists. ORENCIA is not recommended for use concomitantly with anakinra.
Media Articles Related to Orencia (Abatacept)
Researchers identify new cell signaling pathway thought to play role in rheumatoid arthritis
Source: Arthritis / Rheumatology News From Medical News Today [2014.10.25]
A new study by researchers at Hospital for Special Surgery (HSS) identifies a new cell signaling pathway that contributes to the development and progression of inflammatory bone erosion, which...
Diet and Rheumatoid Arthritis Development
Source: Medscape Rheumatology Headlines [2014.10.24]
What is the relationship between diet and the risk for developing rheumatoid arthritis?
International Journal of Clinical Rheumatology
Child's Genes Affect Mom's Risk for Rheumatoid Arthritis
Source: Medscape Medical News Headlines [2014.10.24]
The fetal cells that circulate in a mother's body can increase her risk for rheumatoid arthritis.
Medscape Medical News
Children's genes affect their mothers' risk of rheumatoid arthritis
Source: Arthritis / Rheumatology News From Medical News Today [2014.10.21]
A child's genetic makeup may contribute to his or her mother's risk of rheumatoid arthritis, possibly explaining why women are at higher risk of developing the disease than men.
Salty Foods May Double Smokers' Risk of Rheumatoid Arthritis
Source: MedicineNet Rheumatoid Arthritis Specialty [2014.09.15]
Title: Salty Foods May Double Smokers' Risk of Rheumatoid Arthritis
Category: Health News
Created: 9/12/2014 12:36:00 PM
Last Editorial Review: 9/15/2014 12:00:00 AM
Published Studies Related to Orencia (Abatacept)
Evaluation of abatacept administered subcutaneously in adults with active
rheumatoid arthritis: impact of withdrawal and reintroduction on immunogenicity,
efficacy and safety (phase Iiib ALLOW study). 
rheumatoid arthritis despite methotrexate in a phase III trial... CONCLUSIONS: Overall immunogenicity to SC abatacept is low, consistent with
Model-based determination of abatacept exposure in support of the recommended dose for Japanese rheumatoid arthritis patients. [2011.12]
The objective of this study was to provide support for a body weight-tiered dosing regimen by characterizing abatacept pharmacokinetics (PK) and the relationship between exposure and the ACR20 (American College of Rheumatology criteria for 20% improvement) response in Japanese patients with rheumatoid arthritis (RA)...
Long-term safety, efficacy and inhibition of radiographic progression with abatacept treatment in patients with rheumatoid arthritis and an inadequate response to methotrexate: 3-year results from the AIM trial. [2011.10]
OBJECTIVE: To evaluate abatacept treatment over 3 years in patients with rheumatoid arthritis (RA) refractory to methotrexate (MTX)... CONCLUSION: In MTX-inadequate responders with RA, abatacept provided consistent safety and sustained efficacy over 3 years. The data suggest an increasing inhibitory disease-modifying effect on radiographic progression.
Subcutaneous abatacept versus intravenous abatacept: a phase IIIb noninferiority study in patients with an inadequate response to methotrexate. [2011.10]
OBJECTIVE: To compare the efficacy and safety of subcutaneous (SC) and intravenous (IV) abatacept... CONCLUSION: SC abatacept provides efficacy and safety comparable with that of IV abatacept, with low immunogenicity and high retention rates, consistent with the established IV abatacept profile. Rates of injection site reactions were low. SC abatacept will provide additional treatment options, such as an alternative route of administration, for patients with RA. Copyright (c) 2011 by the American College of Rheumatology.
Co-stimulation modulation with abatacept in patients with recent-onset type 1 diabetes: a randomised, double-blind, placebo-controlled trial. [2011.07.30]
BACKGROUND: The immunopathogenesis of type 1 diabetes mellitus is associated with T-cell autoimmunity. To be fully active, immune T cells need a co-stimulatory signal in addition to the main antigen-driven signal. Abatacept modulates co-stimulation and prevents full T-cell activation. We evaluated the effect of abatacept in recent-onset type 1 diabetes... INTERPRETATION: Co-stimulation modulation with abatacept slowed reduction in beta-cell function over 2 years. The beneficial effect suggests that T-cell activation still occurs around the time of clinical diagnosis of type 1 diabetes. Yet, despite continued administration of abatacept over 24 months, the decrease in beta-cell function with abatacept was parallel to that with placebo after 6 months of treatment, causing us to speculate that T-cell activation lessens with time. Further observation will establish whether the beneficial effect continues after cessation of abatacept infusions. FUNDING: US National Institutes of Health. Copyright (c) 2011 Elsevier Ltd. All rights reserved.
Clinical Trials Related to Orencia (Abatacept)
Efficacy, Pharmacokinetics, Safety and Immunogenicity Study of Abatacept Administered Subcutaneously to Treat Rheumatoid Arthritis in Japan [Recruiting]
The purpose of this study is to assess the efficacy of abatacept after subcutaneous
administration and intravenous administration in Japanese active rheumatoid arthritis (RA)
subjects with inadequate response to methotrexate (MTX), and on background MTX in the short
Pharmacokinetic Study to Compare the Blood Levels of Abatacept Manufactured at Lonza Biologics to the Blood Levels of Abatacept Manufactured at the Devens, MA Facility of Bristol-Myers Squibb [Not yet recruiting]
The purpose of this study is to determine whether the blood levels of Abatacept (BMS-188667)
drug product manufactured at Lonza Biologics and the Devens, MA facility of Bristol-Myers
Squibb are comparable in healthy subjects
Effect on Orencia (Abatacept) on the Apoptosis of T Cells, B Cells and APC Cells in Rheumatoid Arthritis [Not yet recruiting]
This proposal will test the hypothesis that Orencia affects apoptosis and apoptosis related
genes/biomarkers in vivo in rheumatoid arthritis (RA) patients.
Efficacy and Safety Study of Abatacept to Treat Lupus Nephritis [Not yet recruiting]
The purpose of this study is to evaluate Orencia (abatacept) for treatment of lupus
nephritis when used on a background of Cellcept (mycophenolate) and prednisone
Abatacept in the Treatment of Uveitis [Recruiting]
Reports of Suspected Orencia (Abatacept) Side Effects
Drug Ineffective (115),
Circumstance or Information Capable of Leading TO Medication Error (49),
Incorrect Storage of Drug (47),
Interstitial Lung Disease (45), more >>