1. Pink Sheet
  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as reasonably likely to predict benefit on long-term outcomes in early-stage, solid tumor trials, agency says in new draft guidance.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In a new draft guidance, the agency provides recommendations on uses of ctDNA as a biomarker in the early-stage...

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

Woodcock: Do Not Do The Wrong Study, Even If Against US FDA Advice

 
• By Sarah Karlin-Smith

The former CDER director said she tells sponsors not to conduct an FDA-recommended study design or randomized trial if it will not work.

AI Will Bolster, Not Squelch, Patient Voice In Clinical Research, US FDA Says

 
• By Sue Sutter

Artificial intelligence tools used for clinical research should be developed with input from patients and focus on their needs and abilities, FDA experts said.

UK Looks To Auto-Match NHS Patients With Clinical Trials To Boost Recruitment

 
• By Vibha Sharma

The UK government is making it easier for millions of people to participate in clinical trials and is boosting transparency around how studies are delivered across the National Health Service.

Global Guideline Signals ‘Paradigm Shift’ For Pregnant And Breastfeeding Women, Says EMA

 
• By Anabel Costa-Ferreira

The European Medicines Agency expects the International Council for Harmonization’s new guideline will help address the critical lack of data on the use of medicinal products in pregnant and breastfeeding populations.

More from R&D

UK Looks To Auto-Match NHS Patients With Clinical Trials To Boost Recruitment

 
• By Vibha Sharma

The UK government is making it easier for millions of people to participate in clinical trials and is boosting transparency around how studies are delivered across the National Health Service.

Global Guideline Signals ‘Paradigm Shift’ For Pregnant And Breastfeeding Women, Says EMA

 
• By Anabel Costa-Ferreira

The European Medicines Agency expects the International Council for Harmonization’s new guideline will help address the critical lack of data on the use of medicinal products in pregnant and breastfeeding populations.

Profit-Sharing AI Model Proposed To Boost Korean Drug R&D

 
• By Jung Won Shin

A differentiated profit-sharing model to accelerate the use of AI in drug development using clinical and patient data is being proposed in South Korea, but the idea faces multiple practical challenges