ZURICH (Reuters) – Swiss-listed drugmaker ObsEva said on Thursday it is abandoning the current program for its drug prospect nolasiban after the agent aimed at boosting pregnancy following in-vitro fertilization (IVF) failed a late-stage study in Europe.
Nolasiban did not meet the primary endpoint of an increase in ongoing pregnancy at 10 weeks, with 39.1% of women who got the placebo experiencing an ongoing pregnancy, compared with 40.5% of women who got nolasiban, the company said in a statement.
This proposed use of nolasiban, an oral oxytocin receptor antagonist licensed from Merck KGaA to help women getting IVF therapy, had been a central part of ObsEva’s plans. The trial failure leaves the company with drug candidates for endometriosis and potentially dangerous pre-term labor.
“We are extremely disappointed with these unexpected results, not in the least for the millions of women hoping to have a baby through IVF,” said Ernest Loumaye, a gynaecologist and former…
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