Task: Answer Verification
Input (English): Question: Are the status of rheumatoid factor and anti-cyclic citrullinated peptide antibody associated with the effect of anti-TNFα agent treatment in patients with rheumatoid arthritis : a meta-analysis?
Answer: Neither the RF nor anti-CCP antibody status in RA patients is associated with a clinical response to anti-TNFα treatment.
Output (English): no