The failure of NRx Pharmaceuticals, Inc.’s NRX-101 in suicidal bipolar depression at the end of April highlights the difficulty of treating this intractable condition. The company is still moving forward with NRX-101, and has a Phase III trial already underway, but it has a battle on its hands. And it seems few other companies are willing to develop products specifically for bipolar depression.
Despite Trial Failure, NRx Leads In Bipolar
ANALYSIS: Few companies are pursuing therapies for bipolar disorder, but the few ongoing trials will yield data very shortly.

More from Clinical Trials
Aldeyra’s dry eye candidate reproxalap received a second FDA complete response letter, but the firm expressed confidence about refiling quickly based on two ongoing studies.
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.
By allowing it to enter the brain more easily, trontinemab’s brain shuttle brings more patients to ‘amyloid zero’ levels faster, and with fewer brain swelling side effects.
Compass' bispecific antibody tovecimig hits primary efficacy endpoint in Phase II/III top-line data in advanced biliary tract cancer, and may have class side-effect advantages. But additional survival data may be needed to support US approval.
More from R&D
AstraZeneca remains committed to investing in R&D and alliances in China, where Susan Galbraith, the UK major’s head of oncology R&D, sees innovation eventually reaching parity with the US and Europe.
BeiGene’s Phase III ociperlimab joins the list of failed TIGIT inhibitors, as candidates from Roche, Merck & Co. and others have failed late-stage studies.
With new Phase II data, Edgewise asserted that EDG-7500, a sarcomere modulator, could offer better efficacy and safety than cardiac myosin inhibitors in hypertrophic cardiomyopathy.