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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices

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[Biological agents].

¹Department of Rheumatology and Clinical Immunology, Saitama Medical Center, Saitama Medical University.

Nihon Rinsho. Japanese Journal of Clinical Medicine

|March 14, 2009

Summary

Biological agents like etanercept and abatacept offer effective rheumatoid arthritis (RA) treatment. These recombinant proteins demonstrate efficacy and safety, potentially slowing disease progression in RA patients.

Area of Science:

Rheumatology
Immunology
Pharmacology

Context:

Rheumatoid arthritis (RA) treatment involves biological agents, including monoclonal antibodies and recombinant proteins.
Etanercept, a TNF receptor-IgG fusion protein, was approved in Japan in 2005.
Abatacept, a CTLA4-IgG fusion protein, targets difficult-to-treat RA cases.

Purpose:

To review the efficacy and safety of biological agents for rheumatoid arthritis.
To evaluate etanercept's post-marketing surveillance data in Japanese RA patients.
To assess abatacept's effectiveness in clinical trials for RA patients resistant to other treatments.

Summary:

Post-marketing surveillance of 13,894 RA patients confirmed etanercept's efficacy and safety in Japan.
Clinical trials (AIM, ATTAIN) show abatacept's efficacy in methotrexate- and anti-TNF-resistant RA.

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The ATTEST trial suggests abatacept may have a favorable safety profile compared to infliximab.

Impact:

Biological agents like etanercept and abatacept provide new therapeutic options for rheumatoid arthritis.
These treatments not only alleviate clinical symptoms but also show potential in retarding structural joint damage.
Further research and post-marketing surveillance are crucial for optimizing biological therapy in RA.