Tailoring Your FSP Approach: Why One Model Doesn’t Fit Every Trial

Clinical development is at an inflection point. Sponsors face mounting pressures such as constrained resourcing capacity, workforce volatility, increased regulatory scrutiny, and escalating development costs.

However, many organizations still default to traditional structures without evaluating how a more configurable functional service provider (FSP) approach could better fit their needs.

For years, the outsourcing decision was binary: build internal capacity or engage a full-service provider (FSO); however, today's clinical environment demands more sophistication.

Most sponsors now utilize FSP or hybrid outsourcing models across portions of their portfolios. Yet hesitation persists, often rooted in persistent misconceptions about what FSP truly requires and how it fits within existing operational structures.

It's time to reframe the conversation.

The misconception problem

FSP should not be viewed as a replacement model that requires wholesale operational restructuring. Rather, it represents a configurable continuum.

A spectrum of engagement models that can be tailored to specific functional needs, organizational maturity, and strategic objectives. Yet, three persistent misconceptions continue to constrain adoption.

First, many assume that FSP requires fully developed standard operating procedures (SOPs), robust governance systems, and mature internal management infrastructure. In reality, FSP partnerships often mitigate infrastructure gaps rather than depend on their prior existence.

Emerging biopharma organizations and mid-sized sponsors have successfully deployed FSP to provide scalable dedicated resources to fill talent gaps without first building comprehensive internal systems.

Second, organizations believe FSP and full-service outsourcing are mutually exclusive—an either/or choice. But this is false.

Many sponsors successfully operate hybrid models in which FSP manages specific functions (e.g., clinical monitoring) while FSO handles other domains. This blended approach provides operational flexibility without requiring complete outsourcing.

Third, FSP is often misunderstood as temporary contractor staffing dressed up with a new label. In practice, FSP arrangements can be structured to include clear functional ownership and accountability for outcomes.

It may include dedicated resources, but the key distinctions lie in governance structure, performance metrics, and management responsibility—elements that can be tailored depending on the sponsor’s needs and internal capabilities.

The FSP continuum framework

Outsourcing models exist along a spectrum. At one end is full-service outsourcing, where an external partner assumes comprehensive responsibility at the trial level.

At the other is fully insourced operations. Between these poles lie multiple configurations: single- or multi-service modular outsourcing, hybrid or blended models, embedded FSP support, and full functional carve-out under FSP management.

Within the FSP spectrum itself, maturity ranges from tactical embedded support (providing supplemental resources within existing internal structure) to full functional management (external partner assumes accountability for outcomes). Understanding this gradation is critical.

FSP is not a singular structure, but an adaptable framework capable of aligning with varying sponsor needs and strategic priorities.

Real-world applications

Consider a mid-sized biotech firm conducting three Phase II trials simultaneously. Constrained internal monitoring capacity created bottleneck risk. Rather than hiring permanent staff or engage full-service outsourcing for all three studies, the sponsor deployed FSP to manage monitoring operations for two studies while maintaining internal control over the third.

This blended approach provided capacity relief, maintained strategic oversight, and avoided long-term permanent headcount costs. In another example, an emerging biopharma organization lacked mature regulatory infrastructure but needed to accelerate timelines.

FSP engagement provided dedicated regulatory professionals, established processes, and governance oversight, effectively building regulatory capacity without requiring internal hire-ups. Within 18 months, as internal capabilities matured, the FSP engagement transitioned to a lighter advisory model, demonstrating FSP's flexibility across an organization's lifecycle.

Strategic decision-making

Deploying FSP strategically requires an honest assessment of three dimensions: functional complexity, internal capacity maturity, and strategic priority.

The question is no longer, "Should we use FSP?" Most sponsors already have. The relevant question is, "How do we strategically configure FSP to optimize operational performance, reduce risk, and enhance flexibility?"

Your FSP continuum awaits thoughtful configuration. The time for binary thinking has passed.

For a comprehensive analysis of this framework, see our detailed white paper on the FSP continuum.

About the Author

Nicole Duffey, Chief Strategy and Growth Officer at KPS Life, led the development of the FSP Continuum framework and has presented findings at Scope Summit 2026 (Orlando, Florida) and the Linking Leaders Clinical Outsourcing Roundtable (New York, New York).