On Biostatistics and Clinical Trials

CQ's web blog on the issues in biostatistics and clinical trials.

Monday, December 01, 2025

Handling "Median Not Reached": A Guide to Analyzing and Presenting Low Event Rate Survival Data

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In the era of highly effective therapies for may diseases, clinical researchers are increasingly encountering a "good" problem in ...
Sunday, November 09, 2025

When external controls collide with the FDA: two recent cases and what they teach us

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When trials don’t use a traditional control — What the FDA guidance says In the usual drug-development pathway, regulators expect a trial w...
Thursday, November 06, 2025

FDA Commissioner's National Priority Voucher (CNPV) program versus Priority Review Voucher (PRV)

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FDA created a new voucher program called " Commissioner's National Priority Voucher (CNPV) Pilot Program " to accelerate Drug ...
Wednesday, September 17, 2025

Industry-Sponsored N-of-1 Trials in Orphan Drug Development

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N-of-1 clinical trial is often mentioned as one of the approaches to address the challenging issues in orphan drug development. at one point...
Monday, September 15, 2025

Steroid Tapering Design in Action - Failed

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In a previous post, I discussed steroid tapering design clinical trials . In these trials, the primary efficacy endpoint is the reduction in...
Sunday, July 20, 2025

ICH E21 "Inclusion of Pregnant and Breastfeeding Individuals in Clinical Trials"

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US FDA has just endorsed the draft guideline of ICH E21 " Inclusion of Pregnant and Breastfeeding Individuals in Clinical Trials "...
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Web blog from Dr. Deng
Chapel Hill, NC, United States
邓春勤 A Medical Doctor turned into Biostatistician in Clinical Trial and Drug Development Industry
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