# Castor

> Castor is a health-technology company that builds a cloud-based eClinical platform for running clinical trials - from electronic data capture (EDC) and eConsent to eCOA/ePRO and real-world evidence. Founded in 2012 in Amsterdam by physician-researcher Dr. Derk Arts, Castor set out to replace clunky, expensive trial software with a self-service, researcher-friendly system. Today it supports more than 15,000 studies across 90+ countries and is used by leading CROs and biopharma companies, while pushing decentralized trials and practical AI (Castor Catalyst, built with Google Cloud) into mainstream research.

- **Founded:** 2012
- **Headquarters:** New York, United States / Amsterdam, Netherlands
- **Founders:** Derk Arts (Founder & CEO (MD, PhD))
- **Team size:** ~290 employees
- **Products:** Electronic Data Capture (EDC) / CDMS, eConsent, eCOA / ePRO, Decentralized / Hybrid Trial Solutions (DCT), Real-World Evidence (RWE) Platform
- **Notable:** #1-ranked EDC platform with 98% customer satisfaction and 95% on-time delivery rate (per company), Grew from a solo PhD project (2012) to 15,000+ studies across 90+ countries, Raised $45M Series B in 2021 led by Eight Roads Ventures and F-Prime Capital, ~$65M total funding

## Products & services

- **Electronic Data Capture (EDC) / CDMS** — Cloud-based, API-driven electronic data capture and clinical data management with a low-code eCRF builder that lets researchers design studies and deploy low-complexity trials in as little as 3-4 weeks.
- **eConsent** — Remote and in-person electronic informed consent with a continuous participant flow (landing page to screener to consent), now defaulting to one-time-password login to reduce drop-off.
- **eCOA / ePRO** — Electronic clinical outcome assessments and patient-reported outcomes, including digital patient diaries and surveys via web and mobile app.
- **Decentralized / Hybrid Trial Solutions (DCT)** — Direct-to-patient tooling for remote enrollment, consent, and data sharing so trials can run virtually or in hybrid form.
- **Real-World Evidence (RWE) Platform** — Integration and reuse of real-world and multi-source data (EHR, wearables, labs, devices) into a single clinical trial data environment.
- **Castor Catalyst** — AI-powered data-extraction and automation platform built with Google Cloud on Gemini and Vertex AI, targeting up to 50% reduction in manual effort for Phase 2/3 studies.

## Achievements

- #1-ranked EDC platform with 98% customer satisfaction and 95% on-time delivery rate (per company)
- Grew from a solo PhD project (2012) to 15,000+ studies across 90+ countries
- Raised $45M Series B in 2021 led by Eight Roads Ventures and F-Prime Capital, ~$65M total funding
- Supported clinical research reaching 8M+ patients
- Launched Castor Catalyst AI platform with Google Cloud

## Latest updates

- **2025-05** — Made one-time-password (OTP) login the default in Castor eConsent, adding a continuous participant flow from landing page to consent to reduce drop-off.
- **2025** — Rolled out 2025 product spotlight updates across eCOA, eConsent, and EDC, and joined the C-Path eCOA Consortium.
- **2024** — Launched Castor Catalyst, an AI data-extraction platform built with Google Cloud on Gemini and Vertex AI, targeting up to 50% less manual effort in Phase 2/3 studies.
- **2022-02** — Launched a CRO Partnership Program to accelerate adoption of decentralized clinical trials.

## Links

- Website: https://www.castoredc.com
- LinkedIn: https://www.linkedin.com/company/castoredc
- Twitter/X: https://twitter.com/CastorEDC
- YouTube: https://www.youtube.com/c/CastorEDC
- Facebook: https://www.facebook.com/CastorEdc

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Profile page: https://yespress.io/castor
Published by YesPress — https://yespress.io
Last updated: 2026-07-22