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Enriched Trials Not Just About Marker-Positive Patients, FDA Says

 
• By Cathy Dombrowski

Without clear-cut evidence that a drug will not work in patients without a predictive marker, enrichment strategies should allow for collecting some data in the marker-negative population, FDA says in draft guidance.

Information about a drug’s effect in patients without a characteristic that predicts efficacy can be just as important as the data for those with the predictive marker when trying to prove that marker’s value.

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More from United States

Chikungunya At US CDC: Bavarian Nordic’s Vimkunya Recommended, Valneva’s Ixchiq Adjusted

 
• By Bridget Silverman

Bavarian Nordic's Vimkunya added the US CDC immunization committee's recommendation to its FDA approval, while Valneva's Ixchiq faces a precaution for use in people aged 65 and older.

US FDA Commissioner Makary Wants To Combine Adverse Event Reporting Systems

 
• By Sarah Karlin-Smith

In discussing FDA’s adverse event monitoring, Makary also seemed to falsely imply the agency did not fully investigate the myocarditis signal with COVID-19 vaccines.

US FDA User Fee Collection Safe In Preliminary Trump 2026 Budget Plan

 
• By Cathy Kelly

The preliminary White House 2026 budget plan cuts agency funding, but not so sharply that user fees are excluded from collection.

Beyond Tariffs: The Silver Lining Of The US Pharma Security Investigation

 
• By Jessica Merrill

An investigation by the US Secretary of Commerce into pharmaceutical imports gives industry an opportunity to comment. AAM CEO John Murphy talked to Pink Sheet's sister publication Scrip about the latest developments.

More from North America

US CDC Panel Recommends Some 50-59 Year-Olds For RSV Vaccination

 
• By Bridget Silverman

All RSV vaccines with US FDA approval for high-risk younger adult patients will be incorporated in US CDC’s Advisory Committee for Immunization Practices recommendations. Merck’s infant RSV antibody is on track for a June vote

Medicare Price Negotiation: Trump Order Adds Momentum To ‘Pill Penalty’ Fix

 
• By Cathy Kelly

Wide-ranging executive order to lower drug prices also hints at changes in upcoming guidance on the Medicare price negotiation program but few other potentially impactful near-term actions.

FDA Special Assistant Høeg’s Vaccine Concerns On Display At ACIP

 
• By Sue Sutter

Tracy Beth Høeg, who is reportedly re-examining Novavax’s COVID vaccine application, is the FDA rep at the CDC panel’s first meeting under the Trump Administration. She raised concerns about routine use of Jynneos for adolescents at risk of mpox and questioned how Moderna assessed efficacy of its COVID vaccines.