Study on Drug Reactions in Arthritis Patients
Author Information
Author(s): Alper Doğancı, Şebnem Ataman, Ali Erhan Özdemirel, Recep Bülent Seçkin, Ayşe Peyman Yalçın, Sevim Bavbek
Primary Institution: Ankara University
Hypothesis
Is there a relationship between serum antidrug antibodies and hypersensitivity reactions to anti-TNF drugs in patients with rheumatoid arthritis and ankylosing spondylitis?
Conclusion
Patients who exhibit injection site reactions to anti-TNF drugs have notably positive results in skin testing without a direct relationship to serum levels of antidrug antibodies.
Supporting Evidence
- 40.9% of patients developed hypersensitivity reactions to anti-TNF drugs.
- Immediate-type reactions were found in 18.3% of patients.
- Injection site reactions were found in 22.6% of patients.
- Skin tests were performed on all patients, regardless of hypersensitivity reactions.
- IDTs were positive in 31 of the 47 patients with hypersensitivity reactions.
Takeaway
This study looked at how some arthritis patients react to certain medications and found that those who have reactions at the injection site often test positive for certain skin tests.
Methodology
The study included 69 ankylosing spondylitis and 46 rheumatoid arthritis patients taking anti-TNF drugs, measuring serum levels and conducting skin tests.
Potential Biases
Statistical calculations were not performed for some parameters due to inadequate patient numbers.
Limitations
Not performing a patch test for delayed-type reactions and lack of standardization in skin tests may lead to false results.
Participant Demographics
69 patients with ankylosing spondylitis (predominantly male) and 46 patients with rheumatoid arthritis (predominantly female).
Statistical Information
P-Value
p = 0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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