SERVICES
Regulatory Affairs and Compliance
PTSI’s Regulatory Affairs and Compliance experts bring firsthand experience as past FDA clients as well as former FDA investigators. This unique perspective enables us to provide practical, inspection-ready guidance grounded in regulatory expectations, industry best practices, and real-world execution.
We support organizations across the full product lifecycle , from early development through commercialization, ensuring alignment with global regulatory requirements and sustainable compliance strategies.
Strategic Planning & Regulatory Execution
We provide both strategic and tactical leadership in Chemistry, Manufacturing, and Controls (CMC) lifecycle development and global regulatory engagement.
Capabilities include:
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CMC development strategy and lifecycle planning
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Regulatory submission support and strategy
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Global health authority interaction planning
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Phase-appropriate regulatory positioning
Our approach integrates regulatory foresight into operational execution, minimizing risk and accelerating program progression.
Regulatory Agency Interactions & Inspection Readiness
PTSI prepares clients for successful regulatory engagement through proactive planning and hands-on remediation support.
Experience includes:
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FDA Pre-Approval Inspections (PAI)
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Biennial inspections
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EU Qualified Person (QP) certification support
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Inspection readiness assessments
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Remediation strategy and execution
We help organizations move from reactive to inspection-ready with confidence.
Biologics & Biotechnology Expertise
Our team brings deep scientific and technical expertise across:
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Protein biology
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Biotechnology platforms
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Biologics development and commercialization
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Regulatory strategy for advanced therapeutics
We bridge scientific complexity with regulatory clarity to support successful approvals and market readiness.
Change Management & Commercial Readiness
We guide companies through early- to late-phase transitions, ensuring scalable systems and compliant growth.
Our expertise includes:
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Phase-appropriate change management strategies
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Commercialization planning
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Organizational readiness
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Operational scalability
PTSI ensures that regulatory compliance evolves alongside your program and supports sustainable growth and long-term success.