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Large-Scale Integrated Summary of Safety: 30 Studies
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Delivering a Large-Scale Integrated Summary of Safety: Standardizing 30 Studies Across Multiple Phases and Indications  

2 minute read

Published: October 22nd, 2025

Phastar supported a sponsor in preparing an Integrated Summary of Safety (ISS) for an investigational product in facioscapulohumeral muscular dystrophy (FSHD), spanning 30 trials across Phase I–III and multiple indications. 

Key Challenges: 

  • Legacy Data Standardization: 23 of 30 trials only had raw datasets, requiring extensive harmonization. 
  • Complex Data Conversion: Raw data mapped to SDTM using Phastar’s automation tool, adapted for multiple studies simultaneously. 
  • Regulatory Modifications: SAP changes impacted hundreds of outputs, requiring agile response. 
  • High Volume of Deliverables: 546 outputs across 7 integrated pools and 23 subpopulations. 
  • Aggressive Timelines: Dry Run 1 targeted within just 10 months. 

Our Approach: 

  • Conducted a detailed gap analysis and developed a Study Data Standardization Plan. 
  • Customized automation tools for efficient SDTM and ADaM creation. 
  • Authored ISS SAP and TFL specifications, aligning with the sponsor’s cross-functional team. 
  • Provided clear communication for regulatory feedback and modifications. 
  • Applied dual programming to ensure highest-quality deliverables. 

Outcome: 
Phastar successfully delivered over 500 high-quality outputs within 10 months. The ISS was ready for regulatory submission, with a clear, standardized approach that strengthened collaboration across the sponsor’s team. 

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