
Castor is an international health-tech company founded by CEO Derk Arts, MD, Ph.D. Their cloud-based clinical data platform simplifies the entire clinical trial process, from recruitment to analysis, for researchers worldwide. More than 50,000 researchers across 90 countries are using Castor to supercharge their research. Castor’s platform has supported more than 4,000 commercial and academic studies that cover a broad range of therapeutic areas including diabetes, cardiovascular disease, rare diseases, infectious diseases, and oncology. Researchers on the platform generate vast amounts of data from traditional and remote trials, and Castor recently reached milestones of 180,000,000 data points and 2,000,000 enrolled patients. Castor’s goal is to make the world’s research data reusable, enabling AI-driven clinical trials, and ultimately creating a future in which they maximize the impact of data through reuse.

Castor is an international health-tech company founded by CEO Derk Arts, MD, Ph.D. Their cloud-based clinical data platform simplifies the entire clinical trial process, from recruitment to analysis, for researchers worldwide. More than 50,000 researchers across 90 countries are using Castor to supercharge their research. Castor’s platform has supported more than 4,000 commercial and academic studies that cover a broad range of therapeutic areas including diabetes, cardiovascular disease, rare diseases, infectious diseases, and oncology. Researchers on the platform generate vast amounts of data from traditional and remote trials, and Castor recently reached milestones of 180,000,000 data points and 2,000,000 enrolled patients. Castor’s goal is to make the world’s research data reusable, enabling AI-driven clinical trials, and ultimately creating a future in which they maximize the impact of data through reuse.
What they do: Cloud-based eClinical platform for EDC, decentralized/hybrid trials, eConsent and patient-facing tools
Founded: 2012
Founder / CEO: Dr. Derk Arts, MD, PhD
Scale (company-reported): Supports studies in 90+ countries; platform has supported thousands of studies and millions of patients
Known funding: Seed ($6.25M, 2018); Series A ($12M, 2020); Series B ($45M, 2021); total disclosed ~ $64.41M–$65M
Clinical trials data capture, management and reuse for academic and commercial research across multiple therapeutic areas.
2012
Health tech / eClinical software
6.25M
12M
45M
“Eight Roads Ventures; F-Prime Capital; Two Sigma Ventures; INKEF Capital”