MBTPS1 and chronic inflammatory demyelinating polyradiculoneuropathy: Our results and current studies suggest that other synthetic analogs of S1P and more selective S1P receptor modulators that have or may have therapeutic effects similar to those of FTY720 could be tested in immune-mediated peripheral neuropathies such as CIDP, provided that care is taken with the choice of patients and previous treatment, selecting the appropriate inclusion criteria and the appropriate primary endpoint.