Otsuka Pharmaceutical Co. Ltd. subsidiary Taiho Pharmaceutical Co. Ltd.’s newly approved FGFR inhibitor, Lytgobi (futibatinib), is going for a subset of a subset of patients with cholangiocarcinoma that represents a narrower population than its competitors, but could dominate that segment based on its better efficacy numbers. However, Relay Therapeutics, Inc.’s early-stage candidate, RLY-4008, has shown response rates that could pose an even greater competitive threat.
Taiho’s Lytgobi Faces Heavy Competition, But Sets Efficacy Bar For Now
The FGFR inhibitor beats prior entrants on efficacy in cholangiocarcinoma, although Relay presented data at ESMO for its investigational RLY-4008 showing especially high efficacy and tolerability.

More from New Products
Pipeline Watch is a weekly snapshot of selected late-stage clinical trial events and approvals announced by pharmaceutical and biotech companies at medical and industry conferences, in financial and company presentations, and in company releases and statements.
The small interference RNA therapeutic can be used by patients regardless of inhibitor status.
The company is planning to launch oxylanthanum carbonate for chronic kidney disease patients on dialysis with hyperphosphatemia.
After a long wait for patients, Vykat has become the first drug approved for Prader-Willi syndrome symptoms, opening the market up for Soleno and future challengers.
More from Scrip
The firm has lofty ambitions for the aldosterone synthase inhibitor to treat hypertension and kidney disease.
Supply chain disruption fears at the start of the COVID-19 pandemic caused drug over-ordering. Imminent tariffs on drugs may have had a similar effect on pharma sales in Q1 earnings season.
The ZENITH study is a landmark for Merck’s first-in-class activin signalling inhibitor and pulmonary arterial hypertension treatment.