Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Cyclic citrullinated peptide
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Cyclic citrullinated peptide: A circular peptide containing the amino acid citrulline. Abbreviated CCP. Autoantibodies directed against CCP are found in people with rheumatoid arthritis.
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