Tolebrutinib

A Study to Investigate Long-term Safety and Tolerability of Tolebrutinib in Participants With Multiple Sclerosis.

Primary Progressive Multiple Sclerosis (PPMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (PERSEUS)

Long Term Safety and Efficacy Study of Tolebrutinib (SAR442168) in Participants With Relapsing Multiple Sclerosis

Study of Drug-drug Interaction of the Effects of Gemfibrozil and Rifampicin on SAR442168 in Healthy Adult Subjects

Relapsing Forms of Multiple Sclerosis (RMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (GEMINI 1)

Relapsing Forms of Multiple Sclerosis (RMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (GEMINI 2)

Nonrelapsing Secondary Progressive Multiple Sclerosis (NRSPMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (HERCULES)

Study to Assess the Plasma Concentration of Tolebrutinib Given as a Tablet to Adult Participants With Renal Impairment Compared to Healthy Participants.

Study to Assess the Plasma Concentration of Tolebrutinib Given as a Tablet to Adult Participants With Mild Hepatic Impairment Compared to Participants With Normal Hepatic Function

Study of the Tolerability and Pharmacokinetics of Oral Doses of SAR442168 With a Food Effect Investigation in Healthy Adult Participants