1. Pink Sheet
  2. >>R&D
  3. >>Clinical Trials

ctDNA Can Be Used For Patient Selection and Enrichment, But Not As Early Efficacy Endpoint, US FDA Says

 
• By Sue Sutter

More data are required to establish circulating tumor DNA, a blood biomarker, as reasonably likely to predict benefit on long-term outcomes in early-stage, solid tumor trials, agency says in new draft guidance.

Selected person
Circulating tumor DNA can be used to select patients for clinical trials. • Source: Shutterstock

Circulating tumor DNA (ctDNA) can be used as a biomarker in early-stage solid tumor clinical trials for purposes of patient selection, patient enrichment and as a measure of response. However, further data are needed to support use as an endpoint reasonably likely to predict long-term outcome, the US Food and Drug Administration said.

In a new draft guidance, the agency provides recommendations on uses of ctDNA as a biomarker in the early-stage setting, where the intent is curative

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Pink Sheet for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required
Start Free Trial

Already a subscriber?

More from Clinical Trials

ClinicalTrials.gov Or ISRCTN: Getting Transparency Right For UK Trials

 
• By Vibha Sharma

ISRCTN’s systems are being redesigned to facilitate compliance with upcoming requirements in the UK’s clinical trials legislation.

Observational, Retrospective Trials Could Retest Vaccines, HHS’ Kennedy Says

 
• By Derrick Gingery

The Health and Human Services secretary told a Senate appropriations subcommittee that placebo-controlled trials may not be necessary to ensure vaccine safety as the FDA released a framework requiring them for COVID-19 vaccines.

Commission Taking ‘Due Account’ Of Scathing Report On EU Clinical Trial Bottlenecks

 
• By Vibha Sharma

A report by the European pharmaceutical industry criticizes the EU’s clinical trials framework, highlighting regulatory fragmentation, inefficiencies and the need for targeted reforms.

UK MHRA’s Clinical Trial Lead On Combined Reviews, The Notification Scheme & Increasing Diversity

 
• By Eliza Slawther

In light of the UK’s MHRA announcing a major overhaul of its clinical trial legislation, the agency’s deputy director for clinical investigations and trials Andrea Manfrin tells the Pink Sheet what sponsors can expect from the new regulation.

More from R&D

UK MHRA’s Clinical Trial Lead On Combined Reviews, The Notification Scheme & Increasing Diversity

 
• By Eliza Slawther

In light of the UK’s MHRA announcing a major overhaul of its clinical trial legislation, the agency’s deputy director for clinical investigations and trials Andrea Manfrin tells the Pink Sheet what sponsors can expect from the new regulation.

US FDA COVID-19 Booster Strategy May Not Be As Controversial As It Seems

 
• By Michael McCaughan

US FDA Commissioner Martin Makary’s call for placebo-controlled trials to confirm the efficacy of COVID-19 boosters is drawing a lot of criticism, but former Commissioner Robert Califf also supported the idea.

EU Shaping Biotech Act To Unleash SME Potential

 
• By Neena Brizmohun

European companies, in particular small and midsize enterprises, spin-offs and start-ups have a hard time expanding within the single market “because of a complex regulatory framework that is perceived as slow and burdensome,” according to the European Commission.