CNTNAP1 and chronic inflammatory demyelinating polyradiculoneuropathy: Subsequently, Pascual-Goñi et al. aimed to provide further elucidation in the debate on epitope-specificity and, using CBAs, identified 15 patients with a CIDP-like clinical picture with immunoreactivity against the CNTN1/Caspr1 complex, but not to cells transfected with CNTN1 or Caspr1 alone [95].