Effect of Ponesimod Exposure on Total Lymphocyte Dynamics in Patients with Multiple Sclerosis Clin Pharmacokinet. 2021 Sep:60(9):1239-1250. Valenzuela B, Pérez-Ruixo JJ, Leirens Q, Ouwerkerk-Mahadevan S, Poggesi I. CNSJournalPharmacometrics Pharmetheus Affiliates Director, System Developer Quentin Leirens See bio