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Beyond the Data: The Strategic Role of Clinical Outcome Assessments in Regulatory Success


Demonstrating safety and efficacy is only part of the equation in regulated research. The other—often harder—part is showing that your intervention truly improves patients’ lives. That’s where Clinical Outcome Assessments (COAs) come in.


What Are COAs and Why Do They Matter?


COAs are tools used to measure a patient’s health condition and treatment benefit in clinical trials. These assessments can be reported directly by patients (PROs), clinicians (ClinROs), observers (ObsROs), or through performance-based measures (PerfOs). They’re critical in capturing meaningful outcomes like pain reduction, mobility improvement, or better sleep—that biomarkers alone can’t tell us.

The FDA defines COAs as measures that describe or reflect how a patient feels, functions, or survives. They are central to patient-focused drug development and can support labeling claims when integrated effectively into a trial’s design.


Strategic Value in Regulatory Submissions


The FDA’s Clinical Outcome Assessment Compendium and related FAQ resources offer transparency on how COAs have been used in past approvals. While inclusion in the compendium or qualification under the FDA’s COA Qualification Program can be helpful, it’s not a requirement. COAs can be used outside the qualification program, provided they are well-justified and fit-for-purpose.


BSC’s Approach to Maximizing COA Impact


At BSC®, we help sponsors go beyond compliance:

  • Select Fit-for-Purpose COAs: We identify validated or context-appropriate COAs that match your therapeutic area and trial objectives.
  • Design for Defensibility: Our trial designs integrate COAs with robust statistical planning, ensuring endpoints are scientifically credible and aligned with FDA expectations.
  • Navigate Regulatory Advice Pathways: Whether through the CDER COA Qualification Program or individual development consultations, we help you engage the FDA early and strategically.


What’s at Stake?


Your choice of COA can define the credibility of your trial’s outcomes. A well-chosen COA can bridge clinical data and meaningful patient benefits—critical for regulatory approval and real-world adoption.

Need support choosing or implementing the right COA? Let BSC® guide you through COA strategy and endpoint design with the expertise and precision your trial demands.

Beyond The Page

Expertise in Every Niche.

Congratulations to Brendan Keenan and Greg Maislin for their recent publication on Propensity Score designs!

In the article, the authors propose that Propensity Score designs are the optimal approach to address the impact of continuous positive airway pressure (CPAP) on cardiovascular events.

Congratulations to BSC®’s David Maislin, Alex Breno, and our friends at 3Spine on their recent publication!

The article lays out the protocol for the pivotal IDE trial behind 3Spine's MOTUS® lumbar Total Joint Replacement, the first device built to restore both disc and facet joint function without sacrificing motion. 

Congratulations to David Maislin and Brendan Keenan on their article in collaboration with UPenn!

This article cover the effect of Obstructive Sleep Apnea and Positive Airway Pressure Therapy on Cardiac Remodeling in Non-Obese and Obese Adults.

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