HONG KONG – China has approved the fourth homegrown CD47 antibody to start clinical trials, intensifying the local CD47 race. Chinese biologics developer I-Mab Biopharma (Shanghai) Co. Ltd. said it received the go-ahead for the clinical study of TJC-4, its differentiated fully human CD47 monoclonal antibody for treating advanced malignant tumors.

Prospects for the new wave of migraine therapies targeting calcitonin gene-related peptide (CGRP) – with three approved already and more in developers' pipelines – have been the topic of talk lately, with analysts such as Evercore ISI's Umer Raffat pointing to what some might see as a dispiriting level-out in sales among those treatments to reach the market so far.