Leveraging the real-world patient database of our Trial Accelerator platform, we work in partnership with sponsors, delivering innovative solutions to help solve the hardest clinical development challenges, transforming development and reducing the cost and time to develop and commercialize new products.

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Enhance your clinical development activities with Phesi’s end-to-end software and services

Phesi is a clinical data science company with the expertise and domain experience to empower your entire clinical development workflow. With almost two decades experience of providing comprehensive clinical development solutions, we help you stop hoping your trials work out, and start knowing they will.

Our portfolio of end-to-end services facilitates integrated data science for clinical development and commercialization. All services are supported by our AI-powered Trial Accelerator™ advanced clinical data analytics platform, which collects and analyses live data from more than 4,000 diseases, and trial and site information from 485,000+ trials, including 600,000 principal investigators in nearly 200 countries. We combine historical and real-time data that helps you make data-driven decisions with confidence, enabling you to focus on delivering successful patient-centric trials.

So, whether you want to prioritize your portfolio, optimize your protocol design, salvage an existing trial, or explore the use of digital data, Phesi’s services can help you reach your goals.

Service I

Protocol Design and Optimization

Phesi helps you apply data analytics to transform how you plan the design, development and optimization of clinical trials. Our comprehensive and holistic approach unlocks the value of data. We provide scalable, predictive and automated real-time analytics that will accelerate your drug development projects, overcome recruitment challenges, and create user-centric trials that deliver results.

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Service II

Digital Twin &
Digital Trial Arm

Phesi is a pioneer in the field of employing digital patient data to aid clinical trial planning and operations.

Our data-driven approach enables you to gain a deeper understanding of your patient populations, identify the best use cases for a digital control arm, accurately model comparator outcomes, and reduce the number of patients unnecessarily exposed to a placebo.

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Service III

Trial Execution Optimization and Rescue

Phesi enables you to gain real-time insights into how your trials are running. This lets you make objective judgements and accurate predictions so you can rescue under-performing trials. We help you recover missed opportunities in existing trials, eliminate protocol amendments, make informed decisions on trial feasibility, and enhance ROI using forecasted performance data.

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Service IV

Strategic Development Planning

Phesi arms you with a data-driven approach to drug development so that you can make the most informed decisions. We deliver advanced analytics through a systematic, integrated data science approach to reduce the cost of development, accelerate the process of getting therapies to market, maximize commercial return, and facilitate more effective dialogue with regulatory authorities.

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Join the innovative leaders who use Phesi. Schedule a Trial Accelerator demo today.

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    our clients

    Customer experience

    Phesi worked with us to show that a particular adaptive trial design would give the best performance. The result was a significantly quicker and cheaper devel­opment time on this priority asset.


    Phesi is on the frontiers of defining clinical development as a science, performing systematic analysis of the clinical trial, clinical protocol, and clinical site space to form hypotheses about what will work and what will not. Through observation and experiment you are applying those learnings to inform new clinical programs or save old ones. Phesi is more than the sum of its parts and the value is in the integration.


    Every global R&D leader should know about this and should be testing it within their portfolio.

    senior director, clinical operations Takeda