Electronic Patient Reported Outcomes (ePRO)

Capture data at the true source: the patient. Improve the patient experience with secure, accessible questionnaires both via email and through the Castor Connect mobile application.

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Electronic Patient Reported Outcomes (ePRO)
Castor ePRO Field Types

Deploy questionnaires, faster

Create user-friendly questionnaires in minutes.

  • Select from 21 field types to build your own survey, or get started with one of our validated pre-built templates
  • Flexible logic and field validations
  • Reduce time spent on rebuilding questionnaires from scratch by reusing existing ones

Increase engagement, remotely

Securely capture quality research data directly from participant mobile devices with the Castor Connect app and track survey progress in real-time.

  • Segment participants by study phase or demographics and send bulk survey invites
  • Automatically schedule questionnaires via time and action-based triggers
  • Track survey results and participant progress on dynamic reporting dashboards

Increase engagement, remotely
Exporting data to Excel using Castor EDC

Centralize all data collection

Get a complete, record-level overview of your data in one centralized hub. Be it 10 or 100 questionnaires, unifying clinician, patient, and device data has never been easier.

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Generate compliant data, confidently

Our company’s technology and services meet global regulatory and compliance certifications on private and secure infrastructure. Our compliance ensures you have access to the validation documentation needed for each phase of your internal regulatory compliance process.

User Settings Bring your own device (BYOD)

Compatible with mobile devices and tablets, build questionnaires in Castor that can automatically be made available in the native iOS and Android app.

database All of your data in one place

Switch between email and app capability through a simple checkbox. Castor ePRO and Connect surveys are fully integrated in Castor’s EDC platform and they can be built in EDC or imported from the Castor Form Exchange portal.

Store data securely Store data securely

Protect your data with 15-year data retention, field-level encryption, and two-factor authentication and store it on certified, compliant servers in any country.

Achieve global compliance Achieve global compliance

Meet compliance certifications worldwide such as FDA CFR Part 11, GDPR (EU), ICH GCP (HIPAA, US), ISO 27001, and ISO 9001. Align with GCP, HL7 FIHR, and other regulatory guidelines.

Streamline patient assessments with natively integrated ePRO and EDC

Castor’s ePRO solution enabled AKRN Scientific Consulting to engage with a participant population that, on their own, might struggle with a technology solution that they’ve never used before.

Easy-to-use ePRO surveys, accessible to participants on familiar devices, made real-world data collection possible. Native integration with Castor enabled AKRN to collect and manage data seamlessly, and conserve budget and IT resources that would typically be spent sourcing and integrating with additional vendors.

AKRN Case Study
Native ePRO questionnaire

Native ePRO questionnaire created within Castor EDC

Send email

Send email (QR code to download app) or login to mobile site

Mobile friendly

Participants fill out survey on laptop or mobile device

Get app/email notifications

Get app/email notification reminding when to take survey

ePRO data captured in Castor EDC

ePRO data captured in Castor EDC


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Easy to use, well-designed and very helpful
“Castor has been everything we hoped it would be. It is easy to learn and set up. Our study sites have liked it and found it very easy to use. It is feature complete, doing everything we need it to do.”
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“EDC system with multifunctional capabilities”

“It’s been great working with Castor, and their customer service always responds so promptly and is always super helpful. Easy data download process and great interface.”

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“High-quality and compliant EDC”
“Our clinical study managers are able to build out each study with little to no help from Castor. The database is easy to use by both clinical sites and sponsors. As an early-stage start up company we are happy to have found a high-quality compliant system we can afford.”
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“Intuitive platform, easy to set up”
“We found Castor EDC very easy to set up on our own and use. We always get an answer straight away when we have questions. It’s a cost-effective alternative to paper CRFs and much safer and easier to use.”
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“Excellent features”
“Impressive flexibility, ability to customize forms with (almost) any imaginable feature/data flow. Castor EDC is a great product with prompt and knowledgeable customer support.”
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Learn more about collecting patient data with Castor’s ePRO

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