Here's Why Geron Corporation Fell as Much as 16.6% Today

Shares of clinical stage biopharma Geron Corporation (NASDAQ: GERN) fell nearly 17% Tuesday after management provided a clinical update on its only drug candidate, imetelstat, which is being investigated for treating myelofibrosis (MF) and myelodysplastic syndromes (MDS).

Development partner Janssen Oncology, which is a subsidiary of Johnson & Johnson, has decided to alter the ongoing IMerge phase 2/3 trial investigating MDS. Janssen Oncology also hasn't decided whether or not to commit to imetelstat for the IMbark phase 2 trial in MF.

As of 12:06 p.m. EDT, the stock had settled to a 12.3% loss.

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Source: Fool.com