IDDCR Global Research
Infectious DiseaseBiostatisticsPhase II / III

Adaptive Design Biostatistics Support for a Phase II/III Infectious Disease Study

Infectious Disease Biotech

18 days
SAP delivery
100%
On-time interim analysis
FDA accepted
Adaptive design at EoP2
01

The Challenge

A sponsor required biostatistics support for a seamless Phase II/III adaptive design with an interim analysis, requiring rapid turnaround of the SAP and blinded sample size re-estimation.

02

The IDDCR Approach

IDDCR's biostatistics team authored the SAP, pre-specified the adaptive decision rules, and executed the blinded interim analysis in collaboration with an independent DMC statistician.

03

The Outcome

SAP delivered in 18 days. Interim analysis completed on schedule. Adaptive design accepted by FDA without modification at end-of-Phase II meeting.

  • 18 days — SAP delivery
  • 100% — On-time interim analysis
  • FDA accepted — Adaptive design at EoP2

"The IDDCR biostatistics team's expertise in adaptive designs was evident from the first call. Their SAP was thorough, and the FDA's acceptance of our design was a major milestone."

Chief Medical Officer

Infectious Disease Biotech

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