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Start here for the decision-making essentials: what Castor does, who it is for, how it is accessed, and the first-party sources behind this profile.
Transparent, per-study pricing model
Castor, the AI-native clinical trial platform. AI extracts your data; a human approves every value across EDC, eCOA/ePRO, eConsent, Catalyst.
Read-only public captures of Castor’s homepage. Screenshots are dated, never live embeds, and open full-screen.
Short answers to the questions buyers and builders commonly ask about Castor. Each answer cites the shared ledger below, where every source is listed once.
AI extracts source data and a human reviewer approves every value before it enters the rec · Castor Catalyst is an AI clinical data extraction layer that reads source documents and po · AI-powered platform (Castor Catalyst) built on Google Gemini models and Vertex AI, automat · Castor provides a unified eClinical platform including electronic data capture (EDC), clin
AI extracts your source data. A human reviewer approves every value. 99.8% Submission success rate 0.8% Values changed by the reviewer
Biopharma, CROs, and medical device companies · Biopharma, CROs, and medical device companies running Phase I-IV trials and RWE studies · Pharmaceutical, biotech, medical device, CRO, and academic institution research teams (inc · Academic, medical device, and biopharma research teams
Castor empowers biopharma, CROs, and medical device companies to navigate trial complexities, drive efficiency, and deliver results
Clinical trials and real-world evidence studies · Phase II/III clinical trials and real-world evidence (RWE) generation, targeting a 50% red · Provides Castor EDC, Castor Connect, Castor Catalyst, and Castor eConsent for clinical res · Phase I through Phase IV sponsored trials, investigator-initiated research, observational
From clinical trials to real-world evidence studies, Castor delivers the tools you need to simplify workflows and accelerate breakthroughs.
Catalyst AI does not make fully automated decisions affecting individuals; human-in-the-lo · Clinical trial data archived up to 25 years based on Art. 58 of Regulation (EU) No. 536/20 · Not optimized for retrospective EHR data extraction or large-scale claims analytics
our AI feature will not take fully automated decisions that will directly affect you or your health. There is a human-in-the-loop for verification before that data is finalized in the CDMS.
Transparent, per-study pricing model
Pricing model | Transparent, per-study
Integration Support offered as part of Professional Services for capturing and integrating · Well-documented bi-directional API for integration with CTMS, central labs, and pharmacovi · Five core modules (Castor EDC, eCOA, eConsent, Catalyst, and Essentials) all directly inte
Integration Support
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Castor | The AI-native clinical trial platform
Operates as Ciwit B.V. (also known as Castor) and Castor Research, Inc. · Headquartered in Amsterdam, Netherlands with US HQ in Claymont, Delaware · AI-native clinical trial platform with EDC, eCOA/ePRO, eConsent, and Catalyst modules
Ciwit B.V. (also known as Castor)
Fred. Roeskestraat 115, 1076 EE Amsterdam, The Netherlands
AI-native clinical trial platform with EDC, eCOA/ePRO, eConsent, and Catalyst modules
AI extracts source data and a human reviewer approves every value before it enters the record
Castor Catalyst is an AI clinical data extraction layer that reads source documents and populates the eCRF with human review
Clinical trials and real-world evidence studies
Biopharma, CROs, and medical device companies
Compliant electronic data capture (EDC) system with multi-source data integration
Integration Support offered as part of Professional Services for capturing and integrating data from multiple sources and vendors
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.
A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.
This profile is being checked for dated releases and material product changes. Nothing appears here until the exact date and event can be verified from a recorded source.
Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
These tools share a workflow, capability or audience with Castor. They may complement it rather than replace it, and are not presented as integrations or endorsements.
Technical and organisational measures including firewalls, SSL/TLS encryption, and encryption of sensitive data; network traffic monitoring for unauthorized access and breaches
Operates under GDPR; international data transfers handled via EU-U.S. Data Privacy Framework, Standard Contractual Clauses, and Transfer Impact Assessments
Castor is data controller for website/marketing data and data processor for clinical trial patient data
Catalyst AI does not make fully automated decisions affecting individuals; human-in-the-loop verification required before data finalizes in CDMS
Customer support via chat and phone (per SLA), 09:00–02:00 CET and 03:00–20:00 EST, serving 30,000+ users in 90+ countries
Simplify workflows and accelerate breakthroughs in clinical science
Private company (B.V. / Dutch private limited) operating a commercial SaaS platform
AI-powered platform (Castor Catalyst) built on Google Gemini models and Vertex AI, automating clinical trial workflows with human-supervised review
Phase II/III clinical trials and real-world evidence (RWE) generation, targeting a 50% reduction in manual effort
Unified eClinical platform providing EDC, CDMS, eCOA/ePRO, eConsent, and AI-assisted clinical data extraction
Biopharma, CROs, and medical device companies running Phase I-IV trials and RWE studies
Studies run in 170+ countries; 500+ customers across 100+ countries; 400+ sponsors and CROs
Well-documented bi-directional API for integration with CTMS, central labs, and pharmacovigilance platforms; AI-powered EMR extraction via FHIR/HIPAA APIs
Compliant with FDA 21 CFR Part 11, GDPR, and HIPAA, with comprehensive immutable audit trail
Get research teams from data to evidence with less manual work so treatments reach patients sooner
Founded by an MD/Ph.D. who experienced significant problems in medical research data management
US HQ in Claymont, DE (2093 Philadelphia Pike #4618); EU HQ in Amsterdam, Netherlands (Fred. Roeskestraat 115)
Remote-first company with mailing addresses in the US and Amsterdam
Castor for Impact Program offering free or discounted access to clinical trial technology for underserved research areas, early-stage biotech, medical device companies, and U.S. researchers impacted by NIH funding cuts
Castor Catalyst is an AI clinical data extraction layer that reads source documents and populates the eCRF with human review, and is protocol-aware
Castor provides a unified eClinical platform including electronic data capture (EDC), clinical data management (CDMS), electronic clinical outcome assessments (eCOA/ePRO), and electronic consent (eConsent)
ISO 27001 certified for information security assurance
ISO 27701 certified privacy information management
Data encrypted at rest (AES-256) and in transit (TLS 1.2 or higher); optional application-level encryption layer using libsodium's XSalsa and XChaCha streaming ciphers with Poly1305 MAC
Applications run on fully managed virtual servers on Microsoft Azure in regions: EU (Netherlands, Ireland), UK (London, Cardiff), Australia (New South Wales), US (Virginia, California)
Operates as Ciwit B.V. (also known as Castor) and Castor Research, Inc.
Acts as data processor for clinical trial data (Patient Data) uploaded to CDMS/eConsent, and as data controller for website visitors, marketing, and account management data under GDPR
Clinical trial data archived up to 25 years based on Art. 58 of Regulation (EU) No. 536/2014; typical retention is 15 to 25 years, with right to erasure limited to protect scientific integrity
