The US Food and Drug Administration is concerned that Spectrum Pharmaceuticals Inc. had not begun enrolling patients in a confirmatory trial of its targeted non-small cell lung cancer drug Pozenveo (poziotinib) as of the end of July.
Spectrum’s Delay In Starting Confirmatory Trial Of Poziotinib Troubles US FDA
Ahead of advisory committee review, agency cites poziotinib’s marginal anti-tumor activity, high rates of toxicity, and lack of dose optimization. Company seeks accelerated approval but was given standard review.

More from US FDA Performance Tracker
Organizational turmoil has not yet affected reviews of novel agent applications, with Q1 2025 approvals coming in low, but the first quarter share of the entire year is variable.
Sanofi’s Dupixent, Amgen’s Uplizna, and Bristol’s Opdivo seek new indications, while J&J hopes to start a franchise with nipocalimab and Stealth’s day of reckoning approaches.
March features nearly 20 user fee goal dates, including a crowd of novel candidates for crowded areas like hemophilia, heart disease and urinary tract infections, as well as the potentially first therapies for a rare eye disease and hyperphagia of Prader-Willi syndrome.
The US FDA approval of new meningococcal and chikungunya vaccines arrived in time for the 26-28 February meeting of the CDC’s Advisory Committee On Immunization Practices, if political developments allow.
More from Regulatory Trackers
This is an update of recommendations from the European Medicines Agency's Committee for Medicinal Products for Human Use on the authorization of new medicines in the EU, and updates on EU marketing authorization changes recommended by the CHMP.
March features nearly 20 user fee goal dates, including a crowd of novel candidates for crowded areas like hemophilia, heart disease and urinary tract infections, as well as the potentially first therapies for a rare eye disease and hyperphagia of Prader-Willi syndrome.
The European Medicines Agency is set to issue opinions this week on whether pan-EU marketing approval should be granted to a number of new products.