LONDON – Topas Therapeutics GmbH announced the close of a series B round at €40 million (US$47.5 million), to take forward its two lead immune tolerizing programs. The first, TPM-203, is in clinical development for the treatment of the rare, severe autoimmune skin disorder pemphigus vulgaris, while the second, TPM-502, is due to enter the clinic in celiac disease before the end of the year.