Feasibility Service

Streamline your research planning – locate and determine numbers of potential participants.

Accelerate your clinical trial with access to over 63 million patient records from England.

Discover the ideal patient population for your study using our NHS DigiTrials Feasibility Service. We offer flexible solutions to meet your research needs.

Our user-friendly Feasibility Self-Service tool provides rapid insights into potential participant numbers, empowering you to conduct in-depth feasibility assessments and refine study design. For complex studies, our comprehensive Managed Service offers dedicated support and hands-on expertise.

Using a vast, secure dataset, both services streamline participant recruitment and strengthen grant applications with data-driven evidence.

Patient privacy is our top priority. All personal data is removed to ensure complete anonymity and GDPR compliance. For more information, see our NHS DigiTrials Transparency Notice.

Stop guessing. Start knowing.

To get started, email the team at [email protected].

Benefits of using our Feasibility service

Take the risk out of your research

Stop wasting time and resources on trials that are unlikely to recruit. With precise patient data at your fingertips, you can confidently predict your trial's feasibility and optimise recruitment strategies. Our service provides actionable insights to help you make informed decisions and increase your chances of success.

Visualise success with the Feasibility Self-Service tool

See your trial potential at a glance. Our interactive heatmaps provide instant insights into potential participant distribution across demographics and geographic regions. Identify hotspots and cold spots to focus your recruitment efforts and optimise your trial design.

Increase your chances of funding success

Impress grant reviewers with robust data-driven evidence of your trial's feasibility and potential impact. Our service empowers you to build a strong case for funding and increases your chance of securing the necessary support for your research.

Transparency notice

Learn more

How NHS DigiTrials Feasibility works

We offer two core services:

Feasibility Self-Service - access data and insights independently
Feasibility Managed Service - our team provides tailored support and analysis

Feasibility Self-Service

Run independent data queries directly for fast results. Unlock your research potential in minutes.

NHS DigiTrials - What is Feasibility Self-Service?

Video transcript

NHS DigiTrials Feasibility Self Service quickly counts and locates suitable cohorts for your clinical trial in minutes. Simply select who you want to include, any past diagnoses and procedures or prescribed medication. Then choose who to exclude. Review. Then search over 63 million potential participants.

Within minutes, see your results in a table you can customize and a map grouping all eligible participants across England. The larger the dot, the bigger the cohort.

Adjust, rerun, and repeat the search until you hit your target. NHS DigiTrials Feasibility Self Service quickly finds your cohort, helping you plan your clinical trial with precision.

Securely filter potential participants using simple criteria. Access a vast pool of over 63 million anonymised individuals across NHS datasets such as:

Personal Demographics Service - understand patient characteristics (daily updates)
Hospital Episode Statistics (Admitted Patient Care) - analyse inpatient treatment and diagnoses (monthly updates)
Hospital Episode Statistics (Outpatient) - analyse outpatient treatment and diagnoses (monthly updates)
Medicines Dispensed in Primary Care - identify relevant medication history (monthly updates)

Feasibility Self-Service subscriptions and cost

Each plan offers access for up to 3 users. Costs below indicate approximate cost of 100 queries per user, per month.

Time period	Cost
3 months	£2,035 (exc. VAT) approximately £2.26 per query
6 months	£2,469 (exc. VAT) approximately £1.37 per query

Time period

Cost

3 months

£2,035 (exc. VAT)

approximately £2.26 per query

6 months

£2,469 (exc. VAT)

approximately £1.37 per query

The subscription pricing model is currently under an annual review and will be updated shortly. If you require details, contact [email protected].

ARTICLE

User guide for Feasibility Self-Service tool

We offer safe, secure access to patient data and provide one-to-one support to help your trial run smoothly and efficiently. Our services can support you at every stage of the clinical trial process.

Feasibility Managed Service

Our service offers expert support to streamline your data analysis and extract actionable insights. We'll help you:

tailor your analysis - our data specialists will delve deep into the NHS dataset to deliver precise insights tailored to your specific research needs
save time - focus on core research activities while we handle the data analysis complexities
gain strategic guidance - our team provides expert consultation to help you make informed decisions and optimize your research design

By partnering with us, you'll benefit from unparalleled expertise and data-driven insights to accelerate your research journey.

Managed service cost

Our service fees depend on your trial's needs. We provide a clear quote after reviewing your requirements.

Contact us

If you’d like to use either of our Feasibility services, or for any other questions or queries, contact: [email protected].

Last edited: 29 April 2026 10:38 am