Geron's stock price was cut in half on 10 September when the company said it would abandon development of its lead drug candidate in the treatment of solid tumours, because imetelstat failed in a Phase II clinical trial to improve progression-free survival (PFS) in patients with metastatic HER2-negative breast cancer.
The announcement comes less than a year after Geron returned a $25 million loan for its stem cell programme to the state of California so it could focus on its oncology pipeline (