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Enrichment Guidance To Prod Sponsors Toward Prospective Patient Stratification

 
• By Cathy Dombrowski

The sensitivity and specificity of the target identification could determine size of the off-target population, CDER senior statistical advisor Robert O’Neill says at DIA/FDA meeting on revitalizing R&D.

When enriching clinical trials based on biomarker status, the sensitivity and specificity of the diagnostic used to classify the patients could be the deciding factors in sizing the off-target population, Robert O’Neill, senior statistical advisor at CDER’s Office of Translational Sciences, indicated during an Oct. 23 preview of FDA’s enrichment guidance.

That approach would determine the extent of participation of patients who do not test positive for the biomarker (or whatever classifier is being used) largely based on the diagnostic’s accuracy in identifying marker-positive patients (sensitivity) and marker-negative patients (specificity)

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More from United States

Medicare Negotiation Does Not Violate Due Process, Appeals Court Rules, Other Suits At Risk

 
• By Cathy Kelly

Decision in AstraZeneca’s lawsuit against the Health and Human Services Department is a precedent-setting victory for the government and a blow to manufacturer efforts to block the price negotiation program.

Keep Talking: US FDA’s Beleagured Biologics Center Remains Vital To Regenerative Medicine

 
• By Bridget Silverman

Advisory committee for Capricor’s deriamocel planned, regenerative medicine advanced therapy designations proliferate for osteoarthritis, and the ranks of dual RMAT/breakthrough therapy designation holders grow.

Pink Sheet Podcast: A New Director For US FDA’s Biologics Center, Guidance Production Slowdowns

 
• By Derrick Gingery, Sue Sutter, and Nielsen Hobbs

Pink Sheet editors discuss the appointment of Vinay Prasad as the new director of the Center for Biologics Evaluation and Research and revelations that FDA layoffs now are hindering development of guidance documents.

US FDA Restoring Some Library Resources

 
• By Sue Sutter and Derrick Gingery

Agency staff once again have access to the Lexis-Nexis legal and news database, but are still waiting for access to journals, and laid off librarians have not been reinstated.

More from North America

Recent and Upcoming FDA Advisory Committee Meetings

 
• By Sue Sutter

Recent and upcoming US FDA advisory committee meetings and a summary of the topics covered.

Most Favored Nation Pricing Policy Floated In Medicaid, Coming Back To Medicare?

 
• By Cathy Kelly

President Trump's ongoing interest in the policy, which would ensure the US government pays no more for prescription drugs than the lowest price available in comparable countries, continues to gain attention.

US FDA Advisory Committee Misperceptions Abound … At HHS

 
• By Michael McCaughan

HHS Secretary Robert F. Kennedy Jr. regularly decries the “conflicts of interest” he believes abound in advisory committees, but his concerns, as well as a recent “policy directive” eliminating industry representatives, seem driven by a misunderstanding of the panels’ jobs.