Trials of tolebrutinib will move to phase 3, apparently. The abstract indicates that some of this trial's participants were people with relapsing secondary progressive MS, and that the phase 3 trial would include relapsing and progressive forms of MS.
From PubMed (August 22, 2021)--"Safety and efficacy of tolebrutinib, an oral brain-penetrant PTK inhibitor, in relapsing multiple sclerosis: A phase 2b, randomised, double-blind, placebo-controlled trial":
https://pubmed.ncbi.nlm.nih.gov/34418400/